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BPSC – Combined Competitive Examination Prelims 2025: উত্তরসহ প্রশ্ন

BPSC Prelims · 150টি প্রশ্ন। প্রতিটি প্রশ্ন চেষ্টা করুন, তারপর উত্তর খুলুন।

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  1. Q1প্রশ্ন খুলুন

    In the following question, out of four words given below, three are alike in some manner and the fourth word is different. Find the different one.

    1. MICROSCOPE
    2. TELESCOPE
    3. STETHOSCOPE
    4. PERISCOPE
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) STETHOSCOPE

    ব্যাখ্যা

    Microscope, telescope and periscope are optical instruments for seeing; the stethoscope is for hearing.

    • (A) ভুল

      Wrong: a microscope is an instrument for seeing (magnifying small objects).

    • (B) ভুল

      Wrong: a telescope is an instrument for seeing distant objects.

    • (C) সঠিক

      Correct: a stethoscope is used for hearing body sounds; the other three are used for seeing.

    • (D) ভুল

      Wrong: a periscope is an instrument for seeing over or around obstacles.

  2. Q2প্রশ্ন খুলুন

    SPRING is written in a code as UNUFRC. How will the word MOBILE be written in that code language?

    1. OMEFPA
    2. OMPGNC
    3. MPQSUL
    4. SEGRFT
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) OMEFPA

    ব্যাখ্যা

    S(+2)=U, P(−2)=N, R(+3)=U, I(−3)=F, N(+4)=R, G(−4)=C. Applying the same shifts to MOBILE gives OMEFPA.

    • (A) সঠিক

      Correct: the pattern is +2, −2, +3, −3, +4, −4: M→O, O→M, B→E, I→F, L→P, E→A.

    • (B) ভুল

      Wrong: only the first two letters fit; B+3 gives E, not P.

    • (C) ভুল

      Wrong: M should shift +2 to O, so the code cannot start with M.

    • (D) ভুল

      Wrong: does not follow the +2, −2, +3, −3, +4, −4 pattern at all.

  3. Q3প্রশ্ন খুলুন

    Mukesh said to his friend, "Rita is the mother of my son's wife's daughter." How is Mukesh related to Rita?

    1. Father
    2. Son-in-law
    3. Son
    4. Father-in-law
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Father-in-law

    ব্যাখ্যা

    The mother of the son's wife's daughter is the son's wife, i.e. Mukesh's daughter-in-law. So Mukesh is Rita's father-in-law.

    • (A) ভুল

      Wrong: Rita is Mukesh's son's wife, not his daughter.

    • (B) ভুল

      Wrong: a son-in-law is a daughter's husband; Mukesh is a generation above Rita.

    • (C) ভুল

      Wrong: Mukesh is a generation above Rita, not below.

    • (D) সঠিক

      Correct: the mother of his son's wife's daughter is the son's wife herself, so Mukesh is her father-in-law.

  4. Q4প্রশ্ন খুলুন

    Ram goes North, turns right, then turns right again and then turns left. In which direction is Ram now?

    1. EAST
    2. SOUTH
    3. NORTH
    4. WEST
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) EAST

    ব্যাখ্যা

    Facing North, right → East, right → South, left → East.

    • (A) সঠিক

      Correct: North → right = East → right = South → left = East.

    • (B) ভুল

      Wrong: Ram faced South after the second right turn, but the final left turn takes him East.

    • (C) ভুল

      Wrong: North was only the starting direction.

    • (D) ভুল

      Wrong: a left turn from South leads East, not West.

  5. Q5প্রশ্ন খুলুন

    Writing in alphabetical order, which of the following names will appear last?

    1. Mahinder
    2. Mohinder
    3. Mohender
    4. Mahendra
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Mohinder

    ব্যাখ্যা

    Order: Mahendra, Mahinder, Mohender, Mohinder.

    • (A) ভুল

      Wrong: names starting 'Ma' come before those starting 'Mo'.

    • (B) সঠিক

      Correct: 'Mohi' comes after 'Mohe' because I follows E, so Mohinder is last.

    • (C) ভুল

      Wrong: 'Mohe' comes before 'Mohi'.

    • (D) ভুল

      Wrong: 'Ma' names come before 'Mo' names.

  6. Q6প্রশ্ন খুলুন

    Nitin is 7 ranks ahead of Joginder in a class of 39. If Joginder's rank is 17th from the last, what is Nitin's rank from the beginning?

    1. 17th
    2. 15th
    3. 18th
    4. 16th
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) 16th

    ব্যাখ্যা

    Rank from top = total − rank from bottom + 1 = 23 for Joginder; Nitin is 7 ahead, so 16th.

    • (A) ভুল

      Wrong: this ignores that Joginder is 23rd from the top.

    • (B) ভুল

      Wrong: this places Nitin 8 ranks ahead, not 7.

    • (C) ভুল

      Wrong: this does not match 23 − 7.

    • (D) সঠিক

      Correct: Joginder from the top = 39 − 17 + 1 = 23; Nitin = 23 − 7 = 16th.

  7. Q7প্রশ্ন খুলুন

    If + means ×, × means −, ÷ means + and − means ÷, then 175 − 25 ÷ 5 + 20 × 3 + 10 equals:

    1. 77
    2. 87
    3. 140
    4. 70
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) 77

    ব্যাখ্যা

    Replace the signs: 175 ÷ 25 + 5 × 20 − 3 × 10 = 7 + 100 − 30 = 77.

    • (A) সঠিক

      Correct: converted expression is 175 ÷ 25 + 5 × 20 − 3 × 10 = 7 + 100 − 30 = 77.

    • (B) ভুল

      Wrong: this comes from an arithmetic slip; the correct value is 77.

    • (C) ভুল

      Wrong: this ignores the BODMAS order after substitution.

    • (D) ভুল

      Wrong: this drops one of the terms; the correct value is 77.

  8. Q8প্রশ্ন খুলুন

    Rahul is 3 times as old as Seema. Laxmi was twice as old as Rahul four years ago. In four years' time, Rahul will be 31. What are the present ages of Seema and Laxmi?

    1. 10, 50
    2. 9, 52
    3. 9, 45
    4. 9, 50
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) 9, 50

    ব্যাখ্যা

    Rahul now = 31 − 4 = 27, Seema = 9. Four years ago Rahul = 23, so Laxmi was 46 and is 50 now.

    • (A) ভুল

      Wrong: Seema is 27 ÷ 3 = 9, not 10.

    • (B) ভুল

      Wrong: Laxmi is 46 + 4 = 50, not 52.

    • (C) ভুল

      Wrong: Laxmi was 46 four years ago, so she is 50 now.

    • (D) সঠিক

      Correct: Rahul is 27 now, Seema 9; four years ago Rahul was 23, Laxmi 46, so Laxmi is 50 now.

  9. Q9প্রশ্ন খুলুন

    Find the missing number from the given alternatives: 28 20 7 84 ? 12 45 25 9

    1. 30
    2. 35
    3. 20
    4. 25
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) 35

    ব্যাখ্যা

    In each row, first number × 5 = second × third (28×5 = 20×7 = 140; 45×5 = 25×9 = 225). So ? = 84×5 ÷ 12 = 35.

    • (A) ভুল

      Wrong: 30 × 12 = 360, but 84 × 5 = 420.

    • (B) সঠিক

      Correct: pattern: first × 5 = middle × third; 84 × 5 = 420 = 35 × 12.

    • (C) ভুল

      Wrong: 20 × 12 = 240, not 420.

    • (D) ভুল

      Wrong: 25 × 12 = 300, not 420.

  10. Q10প্রশ্ন খুলুন

    RAIN is written in a code as 8$%6 and MORE is written as 7#8@. How will REMAIN be written in that code language?

    1. @$86%7
    2. %7@%6#
    3. 86@$#7
    4. 8@7$%6
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) 8@7$%6

    ব্যাখ্যা

    From the two codes: R=8, A=$, I=%, N=6, M=7, O=#, E=@. So REMAIN = 8@7$%6.

    • (A) ভুল

      Wrong: R should be 8, not @.

    • (B) ভুল

      Wrong: letter order and symbols do not match the given codes.

    • (C) ভুল

      Wrong: E is @, not 6, and N is 6, not 7.

    • (D) সঠিক

      Correct: R=8, E=@, M=7, A=$, I=%, N=6.

  11. Q11প্রশ্ন খুলুন

    How many bronze medals were won by Bihar players in the 38th National Junior Athletics Championship 2025?

    1. 4
    2. 5
    3. 6
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) 5

    ব্যাখ্যা

    Bihar's tally was 1 gold, 6 silver and 5 bronze medals.

    • (A) ভুল

      Wrong: Bihar's bronze tally was 5.

    • (B) সঠিক

      Correct: Bihar won 1 gold, 6 silver and 5 bronze, its best-ever showing.

    • (C) ভুল

      Wrong: 6 was Bihar's silver count, not bronze.

    • (D) ভুল

      Wrong: only one figure (5) is correct.

  12. Q12প্রশ্ন খুলুন

    Which districts in Bihar will benefit from the Kosi-Mechi Link Project?

    1. Patna, Nalanda, Gaya, Siwan
    2. Darbhanga, Muzaffarpur, Sitamarhi, Begusarai
    3. Araria, Purnea, Kishanganj, Katihar
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Araria, Purnea, Kishanganj, Katihar

    ব্যাখ্যা

    The Kosi-Mechi intra-state link carries surplus Kosi water to the Mahananda basin, benefiting Araria, Purnea, Kishanganj and Katihar.

    • (A) ভুল

      Wrong: these are south/west Bihar districts far from the Kosi-Mechi area.

    • (B) ভুল

      Wrong: these are in north-central Bihar, not the Seemanchal command area.

    • (C) সঠিক

      Correct: the link canal irrigates the Mahananda basin in these four Seemanchal districts.

    • (D) ভুল

      Wrong: only option C names the benefiting districts.

  13. Q13প্রশ্ন খুলুন

    Which Indian languages are accorded the status of Classical Language?

    1. Telugu
    2. Marathi
    3. Bengali
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) More than one of the above

    ব্যাখ্যা

    In October 2024 Marathi, Pali, Prakrit, Assamese and Bengali were added, taking the total to 11; Telugu was already on the list.

    • (A) ভুল

      Wrong: Telugu has been a classical language since 2008, but it is not the only one listed.

    • (B) ভুল

      Wrong: Marathi got the status in October 2024, but it is not the only one listed.

    • (C) ভুল

      Wrong: Bengali got the status in October 2024, but it is not the only one listed.

    • (D) সঠিক

      Correct: Telugu, Marathi and Bengali all have classical status.

  14. Q14প্রশ্ন খুলুন

    Which organisation recognised the Nagi Bird Sanctuary site as an Important Bird and Biodiversity Area (IBA)?

    1. UNESCO
    2. World Wildlife Fund
    3. BirdLife International
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) BirdLife International

    ব্যাখ্যা

    Nagi (Jamui, Bihar) was recognised as an IBA by BirdLife International.

    • (A) ভুল

      Wrong: UNESCO lists World Heritage Sites, not IBAs.

    • (B) ভুল

      Wrong: WWF does not run the IBA programme.

    • (C) সঠিক

      Correct: IBAs are designated by BirdLife International (with BNHS as its Indian partner).

    • (D) ভুল

      Wrong: only BirdLife International designates IBAs.

  15. Q15প্রশ্ন খুলুন

    Where was the National Panchayati Raj Day 2025 event organised?

    1. Patna
    2. Madhubani
    3. Gaya
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Madhubani

    ব্যাখ্যা

    The national celebration on 24 April 2025 was held in Madhubani district, Bihar.

    • (A) ভুল

      Wrong: the national event was not held in Patna.

    • (B) সঠিক

      Correct: PM Modi addressed the event at Jhanjharpur, Madhubani on 24 April 2025.

    • (C) ভুল

      Wrong: the event was not held in Gaya.

    • (D) ভুল

      Wrong: the event had a single venue, Madhubani.

  16. Q16প্রশ্ন খুলুন

    What is the primary objective of the Lunar Trailblazer mission?

    1. To detect and map water on the Moon's surface
    2. To create a 3D model of the entire Moon
    3. To test new lunar rovers
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) To detect and map water on the Moon's surface

    ব্যাখ্যা

    Lunar Trailblazer (NASA, launched Feb 2025) was a small satellite meant to map water on the Moon.

    • (A) সঠিক

      Correct: NASA's Lunar Trailblazer was built to map the form, abundance and location of lunar water.

    • (B) ভুল

      Wrong: 3D mapping was not its main goal.

    • (C) ভুল

      Wrong: it was an orbiter, not a rover test.

    • (D) ভুল

      Wrong: only option A states its objective.

  17. Q17প্রশ্ন খুলুন

    Afrikaners refers to which people?

    1. People of Indo-African descent in the U.S.
    2. Indigenous tribal communities in Africa
    3. The white minority group in South Africa
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) The white minority group in South Africa

    ব্যাখ্যা

    Afrikaners are a white ethnic minority in South Africa descended mainly from Dutch settlers.

    • (A) ভুল

      Wrong: Afrikaners are not a U.S. group.

    • (B) ভুল

      Wrong: Afrikaners are of European settler descent, not indigenous.

    • (C) সঠিক

      Correct: Afrikaners are white South Africans, mainly of Dutch descent, who speak Afrikaans.

    • (D) ভুল

      Wrong: only option C is correct.

  18. Q18প্রশ্ন খুলুন

    What is the name of the 16th-century stepwell that the Archaeological Survey of India recently conserved in collaboration with the World Monuments Fund India?

    1. Agrasen ki Baoli
    2. Rajon ki Baoli
    3. Chauki Bavdi
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Rajon ki Baoli

    ব্যাখ্যা

    Rajon ki Baoli (Mehrauli, Delhi), built in the early 16th century under the Lodis, was conserved by ASI and WMF India.

    • (A) ভুল

      Wrong: Agrasen ki Baoli was not this conservation project.

    • (B) সঠিক

      Correct: Rajon ki Baoli in Mehrauli was restored by ASI with WMF India (with TCS Foundation support).

    • (C) ভুল

      Wrong: this was not the stepwell in the project.

    • (D) ভুল

      Wrong: only Rajon ki Baoli fits.

  19. Q19প্রশ্ন খুলুন

    What is the name of the city mayor who proclaimed April 14, 2025, as Dr. B. R. Ambedkar Day in New York City?

    1. Bill de Blasio
    2. Eric Adams
    3. Sadiq Khan
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Eric Adams

    ব্যাখ্যা

    NYC Mayor Eric Adams proclaimed 14 April 2025 as Dr. B. R. Ambedkar Day.

    • (A) ভুল

      Wrong: de Blasio left office in 2021.

    • (B) সঠিক

      Correct: Eric Adams was NYC mayor in April 2025 and issued the proclamation.

    • (C) ভুল

      Wrong: Sadiq Khan is the Mayor of London.

    • (D) ভুল

      Wrong: only Eric Adams made the proclamation.

  20. Q20প্রশ্ন খুলুন

    What is the permanent slogan for the Eurovision Song Contest?

    1. Music Unites Us
    2. Together in Song
    3. United By Music
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) United By Music

    ব্যাখ্যা

    The European Broadcasting Union made 'United By Music' Eurovision's permanent slogan.

    • (A) ভুল

      Wrong: this is not the official slogan.

    • (B) ভুল

      Wrong: this is not the official slogan.

    • (C) সঠিক

      Correct: 'United By Music', first used in 2023, was adopted as the permanent slogan.

    • (D) ভুল

      Wrong: there is one permanent slogan.

  21. Q21প্রশ্ন খুলুন

    What is true of the GSLV-F15 mission by ISRO?

    1. It carried the NVS-02 satellite
    2. It marked ISRO's 101st launch from Sriharikota
    3. It marked ISRO's 100th launch from Sriharikota
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) More than one of the above

    ব্যাখ্যা

    GSLV-F15 (29 Jan 2025) placed the NVS-02 navigation satellite and was ISRO's 100th launch from Sriharikota.

    • (A) ভুল

      Wrong: true, but statement C is also true.

    • (B) ভুল

      Wrong: it was the 100th, not 101st.

    • (C) ভুল

      Wrong: true, but statement A is also true.

    • (D) সঠিক

      Correct: both A and C are true: GSLV-F15 carried NVS-02 and was the 100th launch from Sriharikota.

  22. Q22প্রশ্ন খুলুন

    What is true of the 18th G20 Summit?

    1. It was held in Rio de Janeiro
    2. Its theme was: Building a Just World and a Sustainable Planet
    3. The Rio de Janeiro Declaration emphasised the taxation of billionaires
    4. None of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) None of the above

    ব্যাখ্যা

    The 18th G20 Summit was held in New Delhi on 9–10 September 2023 under the theme 'Vasudhaiva Kutumbakam – One Earth, One Family, One Future'.

    • (A) ভুল

      Wrong: Rio hosted the 19th summit (2024); the 18th was in New Delhi (2023).

    • (B) ভুল

      Wrong: this was Brazil's 2024 (19th) theme; the 18th was 'Vasudhaiva Kutumbakam'.

    • (C) ভুল

      Wrong: the Rio Declaration belongs to the 19th summit; the 18th produced the New Delhi Leaders' Declaration.

    • (D) সঠিক

      Correct: all three statements describe the 19th summit, not the 18th.

  23. Q23প্রশ্ন খুলুন

    The UN climate conference held in Baku in 2024 concluded with an agreement that:

    1. Aims to ban fossil fuels globally by 2030
    2. Calls on developed countries to provide at least $500 billion annually to developing nations by 2030
    3. Calls on developed countries to provide at least $300 billion annually to developing nations by 2035
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Calls on developed countries to provide at least $300 billion annually to developing nations by 2035

    ব্যাখ্যা

    COP29 in Baku agreed the NCQG: developed countries to lead in providing at least $300 billion a year by 2035.

    • (A) ভুল

      Wrong: COP29 set no fossil-fuel ban.

    • (B) ভুল

      Wrong: the figure and year are wrong.

    • (C) সঠিক

      Correct: the New Collective Quantified Goal set at least $300 billion a year by 2035.

    • (D) ভুল

      Wrong: only option C is correct.

  24. Q24প্রশ্ন খুলুন

    Han Kang, awarded the Nobel Prize in Literature in 2024 — her novel 'The Vegetarian' won which other prestigious award?

    1. Pulitzer Prize
    2. PEN America Literary Awards
    3. International Booker Prize
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) International Booker Prize

    ব্যাখ্যা

    The Vegetarian (translated by Deborah Smith) won the International Booker Prize in 2016.

    • (A) ভুল

      Wrong: the Pulitzer is for American works.

    • (B) ভুল

      Wrong: this is not the award the novel is known for.

    • (C) সঠিক

      Correct: The Vegetarian won the Man Booker International Prize in 2016.

    • (D) ভুল

      Wrong: only option C is correct.

  25. Q25প্রশ্ন খুলুন

    Which glacier of Nepal among the following was declared 'dead' in May 2025?

    1. Khumbu Glacier
    2. Yala Glacier
    3. Imja Glacier
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Yala Glacier

    ব্যাখ্যা

    Yala Glacier (Langtang, Nepal) was declared 'dead' in May 2025 after losing most of its mass.

    • (A) ভুল

      Wrong: Khumbu (Everest region) is still an active glacier.

    • (B) সঠিক

      Correct: Yala Glacier in Langtang was declared dead and a memorial 'funeral' held in May 2025.

    • (C) ভুল

      Wrong: Imja is known for its growing glacial lake, not this declaration.

    • (D) ভুল

      Wrong: only Yala was declared dead.

  26. Q26প্রশ্ন খুলুন

    According to the UNDP Human Development Report 2025, life expectancy in India increased from 58.6 years in 1990 to how many years in 2023?

    1. 72 years
    2. 73 years
    3. 74 years
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) 72 years

    ব্যাখ্যা

    HDR 2025 reported India's life expectancy rising from 58.6 years (1990) to 72 years (2023), its highest ever.

    • (A) সঠিক

      Correct: HDR 2025 puts India's 2023 life expectancy at about 72 years.

    • (B) ভুল

      Wrong: the report's figure is 72 years.

    • (C) ভুল

      Wrong: the report's figure is 72 years.

    • (D) ভুল

      Wrong: only one figure is correct.

  27. Q27প্রশ্ন খুলুন

    In which city was the AI Action Summit held in February 2025?

    1. Bengaluru
    2. Paris
    3. Rome
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Paris

    ব্যাখ্যা

    The AI Action Summit took place in Paris on 10–11 February 2025.

    • (A) ভুল

      Wrong: India co-chaired the summit but it was held in France.

    • (B) সঠিক

      Correct: the AI Action Summit was held in Paris, co-chaired by France and India.

    • (C) ভুল

      Wrong: it was not held in Rome.

    • (D) ভুল

      Wrong: it had one host city, Paris.

  28. Q28প্রশ্ন খুলুন

    At the 96th Academy Awards (2024), Emma Stone won the Oscar for Actress in a Leading Role for her performance in which film?

    1. La La Land
    2. Poor Things
    3. The Favourite
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Poor Things

    ব্যাখ্যা

    Emma Stone won her second Best Actress Oscar in 2024 for Poor Things.

    • (A) ভুল

      Wrong: La La Land won her the 2017 (89th) Oscar.

    • (B) সঠিক

      Correct: she won Best Actress at the 96th Oscars for Poor Things.

    • (C) ভুল

      Wrong: she was nominated (supporting) for this, not winning in 2024.

    • (D) ভুল

      Wrong: only Poor Things is correct.

  29. Q29প্রশ্ন খুলুন

    Which Gujarati film won the 70th National Film Award for Best Feature Film promoting national, social and environmental values?

    1. Hellaro
    2. Chhello Show
    3. Kutch Express
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Kutch Express

    ব্যাখ্যা

    Kutch Express (Gujarati) won Best Feature Film Promoting National, Social and Environmental Values at the 70th National Film Awards.

    • (A) ভুল

      Wrong: Hellaro won Best Feature Film at the 66th awards.

    • (B) ভুল

      Wrong: Chhello Show was India's Oscar entry, not this award.

    • (C) সঠিক

      Correct: Kutch Express won this category at the 70th National Film Awards.

    • (D) ভুল

      Wrong: only Kutch Express won it.

  30. Q30প্রশ্ন খুলুন

    Which of the following individuals or organisations was a recipient of the Ramon Magsaysay Award 2024?

    1. Karma Phuntsho
    2. Rural Doctors Movement
    3. Miyazaki Hayao
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) More than one of the above

    ব্যাখ্যা

    The 2024 Ramon Magsaysay awardees included Karma Phuntsho, Miyazaki Hayao, Nguyen Thi Ngoc Phuong, Farwiza Farhan and the Rural Doctors Movement.

    • (A) ভুল

      Wrong: a 2024 awardee (Bhutan), but not the only one listed.

    • (B) ভুল

      Wrong: a 2024 awardee (Thailand), but not the only one listed.

    • (C) ভুল

      Wrong: a 2024 awardee (Japan), but not the only one listed.

    • (D) সঠিক

      Correct: all three were among the 2024 awardees.

  31. Q31প্রশ্ন খুলুন

    Which of the following statements are true about Akashteer?

    1. Akashteer is the core of the Indian Army's Air Defence (AAD) system
    2. It seamlessly integrates into India's larger C4ISR framework
    3. It reflects a strategic shift from passive defence to proactive retaliation
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) More than one of the above

    ব্যাখ্যা

    Akashteer, built by BEL, is the Army's automated air-defence control and reporting system; it was highlighted during Operation Sindoor (2025).

    • (A) ভুল

      Wrong: true, but B and C are also true.

    • (B) ভুল

      Wrong: true, but A and C are also true.

    • (C) ভুল

      Wrong: true, but A and B are also true.

    • (D) সঠিক

      Correct: all three statements are true.

  32. Q32প্রশ্ন খুলুন

    Which of the following defence platforms are part of India's growing indigenous military ecosystem supported by the Make in India initiative?

    1. F-35 Lightning II
    2. Main Battle Tank (MBT) Arjun
    3. Advanced Towed Artillery Gun System (ATAGS)
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) More than one of the above

    ব্যাখ্যা

    Arjun MBT and ATAGS are DRDO-developed indigenous systems; the F-35 is foreign.

    • (A) ভুল

      Wrong: the F-35 is an American (Lockheed Martin) fighter.

    • (B) ভুল

      Wrong: indigenous (DRDO), but ATAGS is also correct.

    • (C) ভুল

      Wrong: indigenous (DRDO with Indian industry), but Arjun is also correct.

    • (D) সঠিক

      Correct: both Arjun MBT and ATAGS are indigenous platforms.

  33. Q33প্রশ্ন খুলুন

    Which day is observed as Holocaust Memorial Day?

    1. January 15
    2. January 27
    3. February 10
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) January 27

    ব্যাখ্যা

    International Holocaust Remembrance Day is 27 January, the anniversary of Auschwitz's liberation.

    • (A) ভুল

      Wrong: January 15 is Indian Army Day.

    • (B) সঠিক

      Correct: 27 January marks the 1945 liberation of Auschwitz-Birkenau.

    • (C) ভুল

      Wrong: not associated with Holocaust remembrance.

    • (D) ভুল

      Wrong: only 27 January is correct.

  34. Q34প্রশ্ন খুলুন

    What is the title of the book by Banu Mushtaq that won the 2025 International Booker Prize?

    1. Light of the Heart
    2. Heart Lamp
    3. Soul Lantern
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Heart Lamp

    ব্যাখ্যা

    Heart Lamp, a Kannada short-story collection, was the first Kannada book to win the International Booker.

    • (A) ভুল

      Wrong: not the title of the winning book.

    • (B) সঠিক

      Correct: Heart Lamp, translated from Kannada by Deepa Bhasthi, won in 2025.

    • (C) ভুল

      Wrong: not the title of the winning book.

    • (D) ভুল

      Wrong: only Heart Lamp is correct.

  35. Q35প্রশ্ন খুলুন

    According to the Indus Waters Treaty, the three eastern rivers are allocated to India. Which of the following is NOT one of them?

    1. Jhelum
    2. Ravi
    3. Sutlej
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Jhelum

    ব্যাখ্যা

    Eastern rivers (India): Ravi, Beas, Sutlej. Western rivers (Pakistan): Indus, Jhelum, Chenab.

    • (A) সঠিক

      Correct: Jhelum is a western river (with Indus and Chenab), allocated to Pakistan.

    • (B) ভুল

      Wrong: Ravi is an eastern river allocated to India.

    • (C) ভুল

      Wrong: Sutlej is an eastern river allocated to India.

    • (D) ভুল

      Wrong: only Jhelum is not an eastern river.

  36. Q36প্রশ্ন খুলুন

    Which of the following statement/s is/are correct about the Capability Poverty Measure (CPM) developed by the UNDP? 1) CPM includes child malnutrition as a proxy for lack of health and nourishment. 2) Female illiteracy is included to reflect deprivation in education and knowledge. 3) It considers male illiteracy as a key indicator of capability poverty. 4) It includes lack of access to clean drinking water as an important indicator of capability poverty. Select the correct answer using the codes given below:

    1. 1 and 2
    2. 1, 2 and 3
    3. Only 1
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) 1 and 2

    ব্যাখ্যা

    UNDP's CPM (HDR 1996) has three indicators: underweight children under 5, births unattended by trained health personnel, and female illiteracy.

    • (A) সঠিক

      Correct: CPM uses underweight children under five and female illiteracy (plus births unattended by trained staff).

    • (B) ভুল

      Wrong: male illiteracy is not a CPM indicator.

    • (C) ভুল

      Wrong: statement 2 is also correct.

    • (D) ভুল

      Wrong: only code A matches.

  37. Q37প্রশ্ন খুলুন

    Which of the following is NOT among the top ten principal commodities of India's export during April–September 2024-25?

    1. Petroleum Products
    2. Iron and Steel
    3. Basmati Rice
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) More than one of the above

    ব্যাখ্যা

    The top ten included engineering goods, petroleum products, electronics, gems & jewellery, drugs & pharma, chemicals, RMG, rice, plastics and marine products.

    • (A) ভুল

      Wrong: petroleum products are among the top ten.

    • (B) ভুল

      Wrong: not in the top ten, but Basmati Rice is also not listed.

    • (C) ভুল

      Wrong: not listed separately (only 'Rice' is), but Iron and Steel is also out.

    • (D) সঠিক

      Correct: both Iron and Steel and Basmati Rice are outside the top ten.

  38. Q38প্রশ্ন খুলুন

    According to the India State of Forest Report 2023 (ISFR 2023):

    1. The total forest and tree cover of the country is 15% of the geographical area of the country.
    2. The top three states having the largest recorded forest area (RFA) are Jharkhand, Andaman & Nicobar and Manipur.
    3. The maximum tree cover has been found in the State of Maharashtra, followed by Rajasthan and Uttar Pradesh.
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) The maximum tree cover has been found in the State of Maharashtra, followed by Rajasthan and Uttar Pradesh.

    ব্যাখ্যা

    ISFR 2023: forest + tree cover is 25.17% of India's area; Maharashtra has the most tree cover, followed by Rajasthan and Uttar Pradesh.

    • (A) ভুল

      Wrong: it is about 25.17%, not 15%.

    • (B) ভুল

      Wrong: these are not the top three by RFA.

    • (C) সঠিক

      Correct: ISFR 2023 ranks Maharashtra, Rajasthan and UP top for tree cover.

    • (D) ভুল

      Wrong: only statement C is correct.

  39. Q39প্রশ্ন খুলুন

    Which of the following countries had a greater share than India in global services exports in 2023?

    1. Russia
    2. Ireland
    3. Indonesia
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Ireland

    ব্যাখ্যা

    India was the 7th largest services exporter in 2023 (~4.3% share); Ireland ranked above it.

    • (A) ভুল

      Wrong: Russia's share is well below India's (~4.3%).

    • (B) সঠিক

      Correct: Ireland, a major hub for tech and finance services, had a larger share than India.

    • (C) ভুল

      Wrong: Indonesia's share is far below India's.

    • (D) ভুল

      Wrong: only Ireland exceeded India.

  40. Q40প্রশ্ন খুলুন

    Which of the following statement/s is/are NOT CORRECT about the U-WIN portal of the Ministry of Health and Family Welfare?

    1. It provides QR-based e-vaccination certificates
    2. It facilitates the creation of Ayushman Bharat Health Accounts (ABHA) for parents and children
    3. The portal is accessible in 11 regional languages
    4. None of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) None of the above

    ব্যাখ্যা

    U-WIN digitises routine immunisation for pregnant women and children: QR-based certificates, ABHA creation and 11-language access.

    • (A) ভুল

      Wrong: this is a correct feature of U-WIN.

    • (B) ভুল

      Wrong: this is a correct feature of U-WIN.

    • (C) ভুল

      Wrong: this is a correct feature of U-WIN.

    • (D) সঠিক

      Correct: all three statements are correct, so none is 'not correct'.

  41. Q41প্রশ্ন খুলুন

    Which organisation jointly developed the National Urban Innovation Stack (NUIS) Digital Blueprint with the Ministry of Housing and Urban Affairs (MoHUA)?

    1. Ministry of Electronics and IT
    2. National Institute of Urban Affairs (NIUA)
    3. NITI Aayog
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) National Institute of Urban Affairs (NIUA)

    ব্যাখ্যা

    The NUIS digital blueprint was prepared by MoHUA together with the National Institute of Urban Affairs.

    • (A) ভুল

      Wrong: MeitY partners on the Urban Digital Mission, not this blueprint.

    • (B) সঠিক

      Correct: NIUA, MoHUA's think tank, co-developed the NUIS blueprint.

    • (C) ভুল

      Wrong: NITI Aayog did not co-develop it.

    • (D) ভুল

      Wrong: only NIUA is correct.

  42. Q42প্রশ্ন খুলুন

    Which state had the highest constructed road length under Bharatmala Pariyojana as of 31 October 2024?

    1. Rajasthan
    2. Uttar Pradesh
    3. Maharashtra
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Rajasthan

    ব্যাখ্যা

    As per MoRTH data up to 31 Oct 2024, Rajasthan had the highest completed length under Bharatmala.

    • (A) সঠিক

      Correct: Rajasthan led, helped by long stretches of the Delhi–Mumbai Expressway and Amritsar–Jamnagar corridor.

    • (B) ভুল

      Wrong: UP was behind Rajasthan.

    • (C) ভুল

      Wrong: Maharashtra was behind Rajasthan.

    • (D) ভুল

      Wrong: only Rajasthan topped the list.

  43. Q43প্রশ্ন খুলুন

    Before the launch of the Kisan Rin Portal (KRP), claims under the Interest Subvention and Prompt Repayment Incentive schemes were submitted manually to which institution/s?

    1. Ministry of Agriculture and Farmers Welfare and NABARD
    2. Reserve Bank of India and NABARD
    3. National Payments Corporation of India and Reserve Bank of India
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Reserve Bank of India and NABARD

    ব্যাখ্যা

    Under the Modified Interest Subvention Scheme, claims were earlier processed manually by RBI and NABARD; KRP (2023) digitised this.

    • (A) ভুল

      Wrong: the ministry funds the scheme but claims went through RBI and NABARD.

    • (B) সঠিক

      Correct: banks submitted claims to RBI (commercial banks) and NABARD (RRBs/co-op banks).

    • (C) ভুল

      Wrong: NPCI had no role in these claims.

    • (D) ভুল

      Wrong: only option B is correct.

  44. Q44প্রশ্ন খুলুন

    India's foreign exchange reserves:

    1. Increased to around USD 640 billion as of the end of December 2024
    2. Are the seventh largest in the world
    3. Decreased due to a BoP deficit of around USD 24 billion in 2024
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Increased to around USD 640 billion as of the end of December 2024

    ব্যাখ্যা

    India's reserves were about $640 billion at end-December 2024, among the four largest in the world.

    • (A) সঠিক

      Correct: reserves stood at about $640 billion at end-December 2024.

    • (B) ভুল

      Wrong: India ranks about fourth, not seventh.

    • (C) ভুল

      Wrong: this is not supported by the data for 2024.

    • (D) ভুল

      Wrong: only statement A is correct.

  45. Q45প্রশ্ন খুলুন

    As per NFHS-5 data, which of the following state(s) recorded less than 6% of the population as multidimensionally poor in 2019-20?

    1. Jammu and Kashmir
    2. Himachal Pradesh
    3. Uttar Pradesh
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) More than one of the above

    ব্যাখ্যা

    NITI Aayog's MPI (NFHS-5) shows J&K and Himachal Pradesh under 6%, while UP was over 20%.

    • (A) ভুল

      Wrong: about 4.8%, below 6%, but Himachal also qualifies.

    • (B) ভুল

      Wrong: about 4.9%, below 6%, but J&K also qualifies.

    • (C) ভুল

      Wrong: UP's share was about 23%, far above 6%.

    • (D) সঠিক

      Correct: both J&K and Himachal Pradesh were below 6%.

  46. Q46প্রশ্ন খুলুন

    Match List-I with List-II: List-I: a) Perform, Achieve and Trade (PAT) scheme; b) Mangrove Initiative for Shoreline Habitats & Tangible Incomes (MISHTI); c) Lifestyle for Environment (LiFE) initiative; d) National Clean Air Programme (NCAP) List-II: 1) Introduced in the Union Budget for 2023-24; 2) Aims to reduce emissions in energy-intensive industries; 3) Launched in 2019 as a national-level strategy; 4) Launched at COP26 in Glasgow in November 2021

    1. a-1, b-2, c-3, d-4
    2. a-3, b-4, c-1, d-2
    3. a-2, b-1, c-4, d-3
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) a-2, b-1, c-4, d-3

    ব্যাখ্যা

    PAT (BEE) cuts energy use in energy-intensive industries; MISHTI was announced in Budget 2023-24; LiFE was announced by PM Modi at COP26; NCAP began in 2019.

    • (A) ভুল

      Wrong: PAT targets industrial energy efficiency (2), not the 2023-24 budget.

    • (B) ভুল

      Wrong: NCAP was launched in 2019 (3), not 2.

    • (C) সঠিক

      Correct: PAT–industry emissions, MISHTI–Budget 2023-24, LiFE–COP26, NCAP–2019.

    • (D) ভুল

      Wrong: only code C matches.

  47. Q47প্রশ্ন খুলুন

    According to the Annual PLFS 2023-24 report:

    1. There is a greater increase in the Labour Force Participation Rate (LFPR) of rural females as compared to urban females since 2021-22
    2. Among the 36 states and union territories, 90% have a Workforce Participation Rate (WPR) (all ages) below the national average of 43.7 percent
    3. The share of female workers in agriculture has decreased significantly from 2017-18 to 2023-24
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) There is a greater increase in the Labour Force Participation Rate (LFPR) of rural females as compared to urban females since 2021-22

    ব্যাখ্যা

    PLFS 2023-24 shows rising female LFPR driven mainly by rural women, many of whom joined agriculture.

    • (A) সঠিক

      Correct: rural female LFPR has risen much faster than urban female LFPR.

    • (B) ভুল

      Wrong: far fewer than 90% of states/UTs are below the national average.

    • (C) ভুল

      Wrong: the share actually increased (about 57% to 64%).

    • (D) ভুল

      Wrong: only statement A is correct.

  48. Q48প্রশ্ন খুলুন

    Which of the following was NOT an outcome of the Science, Technology and Innovation Policy 2020?

    1. One Nation, One Subscription
    2. Research and Innovation Excellence Frameworks (RIEF)
    3. Atal Innovation Mission
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Atal Innovation Mission

    ব্যাখ্যা

    STIP 2020 proposed One Nation One Subscription and RIEF; the Atal Innovation Mission predates it (2016).

    • (A) ভুল

      Wrong: this was proposed in the STIP 2020 draft.

    • (B) ভুল

      Wrong: RIEF was proposed in STIP 2020.

    • (C) সঠিক

      Correct: AIM was set up by NITI Aayog in 2016, before STIP 2020.

    • (D) ভুল

      Wrong: only AIM is not an outcome.

  49. Q49প্রশ্ন খুলুন

    The share of Micro, Small and Medium Enterprises in the country's Gross Value Added (GVA) has increased from ____ in 2020-21 to ____ in 2022-23.

    1. 30.3%, 35.6%
    2. 27.3%, 30.1%
    3. 35.1%, 38.2%
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) 27.3%, 30.1%

    ব্যাখ্যা

    Per official MSME data, the sector's GVA share rose from 27.3% to 30.1% between 2020-21 and 2022-23.

    • (A) ভুল

      Wrong: these figures are too high.

    • (B) সঠিক

      Correct: MSME share in GVA rose from 27.3% (2020-21) to 30.1% (2022-23).

    • (C) ভুল

      Wrong: these figures are too high.

    • (D) ভুল

      Wrong: only option B is correct.

  50. Q50প্রশ্ন খুলুন

    Which of the following statement/s is/are correct regarding the Indian cement industry? 1) Around 87% of India's cement industry is concentrated in a few major states like Rajasthan, Andhra Pradesh and Madhya Pradesh. 2) India is the largest producer of cement in the world. 3) Most cement plants in India are located far from raw material sources and near ports to support exports. Select the correct answer using the codes given below:

    1. 1
    2. 2
    3. 1 and 3
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) 1

    ব্যাখ্যা

    Cement is a weight-losing industry, so plants sit near limestone; India ranks second after China in output.

    • (A) সঠিক

      Correct: the industry is concentrated in limestone-rich states; 2 and 3 are false.

    • (B) ভুল

      Wrong: India is the second-largest producer; China is first.

    • (C) ভুল

      Wrong: plants are sited near limestone deposits, not ports.

    • (D) ভুল

      Wrong: only code A is correct.

  51. Q51প্রশ্ন খুলুন

    What is the primary objective of Bihar's Mission Daksh?

    1. To increase school enrolment in primary schools in rural areas
    2. To provide vocational training to teachers at senior-secondary level
    3. To offer personalised mentoring for lagging students to reach grade-level competencies
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) To offer personalised mentoring for lagging students to reach grade-level competencies

    ব্যাখ্যা

    Mission Daksh (Bihar Education Dept.) gives remedial, personalised support to lagging students in government schools.

    • (A) ভুল

      Wrong: Daksh targets learning gaps, not enrolment.

    • (B) ভুল

      Wrong: it is aimed at students, not teacher training.

    • (C) সঠিক

      Correct: teachers mentor small groups of weak students to bring them up to grade level.

    • (D) ভুল

      Wrong: only option C states its objective.

  52. Q52প্রশ্ন খুলুন

    Which of the following is NOT one of the components under the YUVA framework of the Bihar Startup Policy 2022?

    1. Vibrancy in the education system
    2. Regulatory enablers for support
    3. International market expansion schemes
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) International market expansion schemes

    ব্যাখ্যা

    YUVA covers youth/education vibrancy, regulatory enablers, venture support and acceleration; international market schemes are not part of it.

    • (A) ভুল

      Wrong: this is part of the YUVA framework.

    • (B) ভুল

      Wrong: this is part of the YUVA framework.

    • (C) সঠিক

      Correct: international market expansion is not a YUVA component.

    • (D) ভুল

      Wrong: only option C is outside YUVA.

  53. Q53প্রশ্ন খুলুন

    Which of the following statement/s is/are correct about Bihar's economic performance in 2023-24?

    1. Bihar's per capita GSDP at current prices increased by 12.8% in 2023-24 over the previous year
    2. The estimated share of the tertiary sector in Bihar's GSVA (constant prices) in 2023-24 was 58.6%
    3. Gross Fixed Capital Formation (GFCF) formed 4.6% of GSDP at current prices in 2023-24
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) More than one of the above

    ব্যাখ্যা

    Bihar Economic Survey 2024-25: per capita GSDP (current) rose 12.8% and the tertiary sector was about 58.6% of GSVA.

    • (A) ভুল

      Wrong: true, but B is also true.

    • (B) ভুল

      Wrong: true, but A is also true.

    • (C) ভুল

      Wrong: 4.6% matches the state's capital-outlay ratio, not total GFCF.

    • (D) সঠিক

      Correct: statements A and B are both correct.

  54. Q54প্রশ্ন খুলুন

    Consider the following statements: 1) The proportion of the young population (0–19 years) in Bihar is projected to decline significantly by 2041. 2) Bihar's demographic dividend is expected to peak around 2041. 3) The elderly population (60+ years) in Bihar is expected to rise more sharply than in India. Select the correct answer using the codes given below:

    1. 1 and 2 are correct
    2. 1 and 3 are correct
    3. 2 and 3 are correct
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) 1 and 2 are correct

    ব্যাখ্যা

    Bihar's high fertility means its population ages later and more slowly than India's, with its dividend peaking around 2041.

    • (A) সঠিক

      Correct: the young share falls and the working-age share peaks around 2041.

    • (B) ভুল

      Wrong: Bihar ages more slowly than India, so 3 is false.

    • (C) ভুল

      Wrong: statement 3 is false.

    • (D) ভুল

      Wrong: only code A is correct.

  55. Q55প্রশ্ন খুলুন

    According to PLFS 2023-24, which of the following statements best describes the nature of employment among women in Bihar?

    1. Most women are employed in formal, regular wage jobs
    2. The majority of women are self-employed, often serving as helpers in household enterprises
    3. The majority of women were engaged in the secondary sector
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) The majority of women are self-employed, often serving as helpers in household enterprises

    ব্যাখ্যা

    Female employment in Bihar is dominated by self-employment, especially as helpers in household enterprises and farms.

    • (A) ভুল

      Wrong: regular wage work is a small share for women in Bihar.

    • (B) সঠিক

      Correct: most working women in Bihar are self-employed, largely as unpaid household helpers.

    • (C) ভুল

      Wrong: most women work in agriculture (primary sector).

    • (D) ভুল

      Wrong: only option B is correct.

  56. Q56প্রশ্ন খুলুন

    The power to recruit the secretarial staff of the House of the People is vested in:

    1. Prime Minister's Office (PMO)
    2. Union Public Service Commission
    3. Staff Selection Commission
    4. President after consultation with the Speaker of the House of the People
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) President after consultation with the Speaker of the House of the People

    ব্যাখ্যা

    Article 98 lets Parliament regulate its secretarial staff; pending such law, the President makes rules after consulting the Speaker.

    • (A) ভুল

      Wrong: the executive does not recruit Parliament's staff.

    • (B) ভুল

      Wrong: UPSC does not recruit Lok Sabha Secretariat staff.

    • (C) ভুল

      Wrong: SSC recruits for government departments, not Parliament.

    • (D) সঠিক

      Correct: Article 98(3): until Parliament legislates, the President may make rules after consulting the Speaker.

  57. Q57প্রশ্ন খুলুন

    The Attorney General of India:

    1. Is not entitled to audience in any court except the Supreme Court
    2. Gives advice to the President on legal matters
    3. Cannot participate in the proceedings of the Houses of Parliament
    4. Is a whole-time counsel for the government
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Gives advice to the President on legal matters

    ব্যাখ্যা

    The AG (Article 76) is India's highest law officer, advising the government and appearing for it.

    • (A) ভুল

      Wrong: under Article 76(3) he has right of audience in all courts in India.

    • (B) সঠিক

      Correct: Article 76(2): he advises the Government of India on legal matters referred by the President.

    • (C) ভুল

      Wrong: Article 88 lets him speak and take part, though not vote.

    • (D) ভুল

      Wrong: he is not a full-time government counsel and may do private practice (with limits).

  58. Q58প্রশ্ন খুলুন

    Consider the following subjects belonging to different lists of the Constitution of India. Which of these belong to the Concurrent List? 1) Protection of wildlife 2) Tax on agricultural income 3) Tax on consumption or sale of electricity 4) Price control

    1. 1 and 4 are correct
    2. 2 and 3 are correct
    3. Only 4 is correct
    4. Only 2 is correct
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) 1 and 4 are correct

    ব্যাখ্যা

    Wildlife protection moved to the Concurrent List by the 42nd Amendment (1976); price control is Concurrent Entry 34.

    • (A) সঠিক

      Correct: wildlife protection (Entry 17B) and price control (Entry 34) are Concurrent List items.

    • (B) ভুল

      Wrong: both are State List taxes (Entries 46 and 53).

    • (C) ভুল

      Wrong: wildlife protection is also concurrent.

    • (D) ভুল

      Wrong: agricultural income tax is a State subject.

  59. Q59প্রশ্ন খুলুন

    Which of the following Directive Principles do NOT follow Gandhian principles? 1) Organisation of village panchayats 2) Uniform Civil Code 3) Promotion of cottage industries in rural areas 4) Right to work

    1. 1 and 2
    2. Only 2
    3. 2 and 4
    4. 1 and 3
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) 2 and 4

    ব্যাখ্যা

    Gandhian DPSPs include village panchayats (40) and cottage industries (43); UCC (44) and right to work (41) are not Gandhian.

    • (A) ভুল

      Wrong: village panchayats (Art. 40) are Gandhian.

    • (B) ভুল

      Wrong: right to work (Art. 41) is also non-Gandhian.

    • (C) সঠিক

      Correct: UCC (Art. 44) is liberal-intellectual; right to work (Art. 41) is socialistic.

    • (D) ভুল

      Wrong: these two are the Gandhian ones.

  60. Q60প্রশ্ন খুলুন

    Which pair is NOT correctly matched?

    1. Allocation of seats in the Council of States – 4th Schedule
    2. Forms of oath – 3rd Schedule
    3. Administration of Scheduled Areas – 6th Schedule
    4. Union List – 7th Schedule
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Administration of Scheduled Areas – 6th Schedule

    ব্যাখ্যা

    The 5th Schedule deals with Scheduled Areas and Scheduled Tribes; the 6th with tribal areas in four NE states.

    • (A) ভুল

      Wrong: correctly matched.

    • (B) ভুল

      Wrong: correctly matched.

    • (C) সঠিক

      Correct: Scheduled Areas are under the 5th Schedule; the 6th covers tribal areas of Assam, Meghalaya, Tripura, Mizoram.

    • (D) ভুল

      Wrong: correctly matched.

  61. Q61প্রশ্ন খুলুন

    Consider the following statements about the Central Government: 1) Ministries and Departments are formed by the Prime Minister in consultation with the Cabinet Secretary. 2) Every Minister is allocated a Ministry by the President on the advice of the Prime Minister. Of these:

    1. Only 1 is correct
    2. Only 2 is correct
    3. 1 and 2 are correct
    4. Neither 1 nor 2 is correct
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Only 2 is correct

    ব্যাখ্যা

    Under Article 77(3) and the Allocation of Business Rules, the President allocates portfolios on the PM's advice.

    • (A) ভুল

      Wrong: ministries are created by the President under the Allocation of Business Rules, not by the PM with the Cabinet Secretary.

    • (B) সঠিক

      Correct: business is allocated among ministers by the President on the PM's advice (Art. 77(3)).

    • (C) ভুল

      Wrong: statement 1 is incorrect.

    • (D) ভুল

      Wrong: statement 2 is correct.

  62. Q62প্রশ্ন খুলুন

    What is true about the proceedings of the State Legislature?

    1. Business in the legislature shall be transacted only in the official language(s) of the State or in Hindi or in English
    2. The Advocate General has the right to vote
    3. It can discuss the conduct of any judge of the High Court also
    4. Validity of proceedings can be called in question on the ground of any alleged irregularity
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Business in the legislature shall be transacted only in the official language(s) of the State or in Hindi or in English

    ব্যাখ্যা

    Article 210: business is conducted in the State's official language(s), Hindi or English (with the Speaker's leave for mother tongue).

    • (A) সঠিক

      Correct: this is Article 210(1).

    • (B) ভুল

      Wrong: the Advocate General may speak (Art. 177) but cannot vote.

    • (C) ভুল

      Wrong: Article 211 bars such discussion.

    • (D) ভুল

      Wrong: Article 212 says courts cannot question proceedings for procedural irregularity.

  63. Q63প্রশ্ন খুলুন

    The Constitution of India provides for reasonable restrictions on Fundamental Rights, but reasonableness must keep in mind that: 1) The interest of the general public is safeguarded 2) Prevailing social values and social needs are not ignored 3) Directive Principles can be bypassed 4) Collective good is not greater Of these:

    1. 1 and 2 are correct
    2. 2 and 3 are correct
    3. Only 4 is correct
    4. Only 1 is correct
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) 1 and 2 are correct

    ব্যাখ্যা

    Reasonableness balances individual rights against public interest and social needs, in harmony with DPSPs (e.g. State of Madras v. V.G. Row).

    • (A) সঠিক

      Correct: courts weigh public interest and prevailing social values/needs when judging reasonableness.

    • (B) ভুল

      Wrong: DPSPs are not to be bypassed; they guide reasonableness.

    • (C) ভুল

      Wrong: the collective good is a key justification for restrictions.

    • (D) ভুল

      Wrong: statement 2 is also correct.

  64. Q64প্রশ্ন খুলুন

    Who among the following determines the qualifications requisite for appointment as a member of the Finance Commission?

    1. President of India
    2. Council of Ministers
    3. Parliament by law
    4. Union Cabinet
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Parliament by law

    ব্যাখ্যা

    Article 280(2): Parliament may by law determine qualifications; it did so via the Finance Commission (Misc. Provisions) Act, 1951.

    • (A) ভুল

      Wrong: the President appoints members but does not fix qualifications.

    • (B) ভুল

      Wrong: not the Council of Ministers.

    • (C) সঠিক

      Correct: Article 280(2) lets Parliament set qualifications by law (Finance Commission Act, 1951).

    • (D) ভুল

      Wrong: not the Cabinet.

  65. Q65প্রশ্ন খুলুন

    Consider the following statements: 1) Summoning of the House means its convocation. 2) Prorogation ends a session. 3) Dissolution terminates a House. 4) Prorogation of a session can be effected by the Leader of the House alone. Which of these is NOT true?

    1. 2 and 3
    2. 1 and 3
    3. Only 2
    4. Only 4
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Only 4

    ব্যাখ্যা

    Under Article 85, the President summons and prorogues the Houses and may dissolve the Lok Sabha.

    • (A) ভুল

      Wrong: both are true statements.

    • (B) ভুল

      Wrong: both are true statements.

    • (C) ভুল

      Wrong: prorogation does end a session, so 2 is true.

    • (D) সঠিক

      Correct: prorogation is ordered by the President (Art. 85), not the Leader of the House.

  66. Q66প্রশ্ন খুলুন

    Who is empowered to review the financial position of the Panchayats?

    1. Chief Minister
    2. Chairman of the Block Committee
    3. Chairman of the District Council
    4. Finance Commission constituted by the Governor
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Finance Commission constituted by the Governor

    ব্যাখ্যা

    Article 243-I requires the Governor to constitute a State Finance Commission to review Panchayats' finances.

    • (A) ভুল

      Wrong: not the Chief Minister.

    • (B) ভুল

      Wrong: not a constitutional reviewing authority.

    • (C) ভুল

      Wrong: not the reviewing authority.

    • (D) সঠিক

      Correct: Article 243-I: the State Finance Commission, set up by the Governor every five years, reviews Panchayat finances.

  67. Q67প্রশ্ন খুলুন

    The Atmanirbhar Bharat Scheme announced by the Government helps in: 1) Enhancing India's manufacturing capabilities and exports across industries 2) Incentivising foreign investment for domestic production Of these:

    1. 1 is correct
    2. 2 is correct
    3. Both 1 and 2 are correct
    4. Neither 1 nor 2 is correct
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Both 1 and 2 are correct

    ব্যাখ্যা

    Atmanirbhar Bharat aims to make India self-reliant by strengthening manufacturing, exports and investment, including FDI.

    • (A) ভুল

      Wrong: statement 2 is also correct.

    • (B) ভুল

      Wrong: statement 1 is also correct.

    • (C) সঠিক

      Correct: schemes like PLI boost manufacturing and exports and attract foreign investment into domestic production.

    • (D) ভুল

      Wrong: both are correct.

  68. Q68প্রশ্ন খুলুন

    What is the main purpose of Panchayati Raj?

    1. To increase agricultural production
    2. To increase employment
    3. To increase people's political awareness
    4. To enable people to participate in development administration
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) To enable people to participate in development administration

    ব্যাখ্যা

    Panchayati Raj is democratic decentralisation: involving people directly in local development administration.

    • (A) ভুল

      Wrong: a possible outcome, not the main purpose.

    • (B) ভুল

      Wrong: not the core purpose.

    • (C) ভুল

      Wrong: a by-product, not the main aim.

    • (D) সঠিক

      Correct: Panchayati Raj decentralises power so people take part in planning and development.

  69. Q69প্রশ্ন খুলুন

    What is true about a Censure Motion?

    1. It is not different from a No-confidence motion
    2. It is different from a No-confidence motion
    3. It is not mandatory to mention the reasons in this motion
    4. Permission of the House is not essential to present it
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) It is different from a No-confidence motion

    ব্যাখ্যা

    A censure motion disapproves specific policies or actions and must state reasons; a no-confidence motion needs no reasons and topples the government if passed.

    • (A) ভুল

      Wrong: the two are different motions.

    • (B) সঠিক

      Correct: a censure motion must state reasons, can target a minister, and its passage does not force resignation.

    • (C) ভুল

      Wrong: reasons must be stated in a censure motion.

    • (D) ভুল

      Wrong: it needs the Speaker's admission/leave of the House.

  70. Q70প্রশ্ন খুলুন

    Which one of the following subjects falls within the jurisdiction of both the High Court and the Supreme Court?

    1. Dispute between the Centre and a State
    2. Dispute among States
    3. Protection of fundamental rights
    4. Protection from violation of the Constitution
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Protection of fundamental rights

    ব্যাখ্যা

    Fundamental rights can be enforced in the Supreme Court (Art. 32) and High Courts (Art. 226).

    • (A) ভুল

      Wrong: exclusive original jurisdiction of the Supreme Court (Art. 131).

    • (B) ভুল

      Wrong: also exclusive to the Supreme Court (Art. 131).

    • (C) সঠিক

      Correct: both can issue writs: SC under Art. 32, HCs under Art. 226.

    • (D) ভুল

      Wrong: too broad; the specific shared writ jurisdiction is over fundamental rights.

  71. Q71প্রশ্ন খুলুন

    Which Indian leader for the first time used the 'safety-valve theory' to attack the Moderates in the Congress?

    1. Bipin Chandra Pal
    2. Lala Lajpat Rai
    3. Bal Gangadhar Tilak
    4. Dadabhai Naoroji
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Lala Lajpat Rai

    ব্যাখ্যা

    The safety-valve theory (Congress as a vent for Indian discontent created by Hume) was first used by Lala Lajpat Rai against the Moderates.

    • (A) ভুল

      Wrong: not the first to use it.

    • (B) সঠিক

      Correct: he used it in 1916 (Young India) to attack the Moderates.

    • (C) ভুল

      Wrong: not credited with first using it.

    • (D) ভুল

      Wrong: he was himself a Moderate.

  72. Q72প্রশ্ন খুলুন

    On which Viceroy was a bomb thrown on the occasion of his state entry into Delhi?

    1. Lord Curzon
    2. Lord Minto
    3. Lord Hardinge
    4. Lord Wavell
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Lord Hardinge

    ব্যাখ্যা

    Rash Behari Bose and Basant Kumar Biswas organised the bomb attack on Lord Hardinge during the capital's shift to Delhi (1912).

    • (A) ভুল

      Wrong: no such attack on Curzon.

    • (B) ভুল

      Wrong: Minto survived an attack at Ahmedabad (1909), not at Delhi entry.

    • (C) সঠিক

      Correct: a bomb was thrown at Hardinge in Chandni Chowk on 23 Dec 1912 (Delhi Conspiracy).

    • (D) ভুল

      Wrong: no such incident.

  73. Q73প্রশ্ন খুলুন

    Who got an opportunity to become a Professor of Indian Philosophy in the University of California in 1911?

    1. Sohan Singh Bhakna
    2. Virendranath Chattopadhyay
    3. Har Dayal
    4. Shyamji Krishna Varma
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Har Dayal

    ব্যাখ্যা

    Lala Har Dayal lectured on Indian philosophy in California in 1911 and co-founded the Ghadar Party in 1913.

    • (A) ভুল

      Wrong: he was the Ghadar Party's first president, not a professor.

    • (B) ভুল

      Wrong: he worked in Europe (Berlin Committee).

    • (C) সঠিক

      Correct: Har Dayal taught Indian philosophy (Stanford, California) in 1911 before founding the Ghadar Party.

    • (D) ভুল

      Wrong: he was based in London (India House).

  74. Q74প্রশ্ন খুলুন

    Name the Principal of M.A.O. College, Aligarh, who encouraged Muslim communalism in the last decades of the 19th century.

    1. Dunlop Smith
    2. Minto
    3. William Morris
    4. Theodore Beck
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Theodore Beck

    ব্যাখ্যা

    Theodore Beck, Principal of MAO College (1883–99), encouraged Muslim separatism and opposed the Congress.

    • (A) ভুল

      Wrong: he was Minto's private secretary, not MAO principal.

    • (B) ভুল

      Wrong: Minto was Viceroy (1905–10).

    • (C) ভুল

      Wrong: not associated with MAO College.

    • (D) সঠিক

      Correct: Beck, principal from 1883, pushed separatist, anti-Congress politics.

  75. Q75প্রশ্ন খুলুন

    'Young India', a nationalist paper, was started by:

    1. Annie Besant
    2. Mahatma Gandhi
    3. Bal Gangadhar Tilak
    4. Maulana Abul Kalam Azad
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Mahatma Gandhi

    ব্যাখ্যা

    Young India is best known as Gandhi's weekly (1919–1931). Note: it was first founded in 1916 by Jamnadas Dwarkadas, and Lajpat Rai also ran a 'Young India' in the USA, so this question was disputed after the exam.

    • (A) ভুল

      Wrong: she ran New India and Commonweal.

    • (B) সঠিক

      Correct: Gandhi published Young India as his weekly from 1919.

    • (C) ভুল

      Wrong: Tilak ran Kesari and Mahratta.

    • (D) ভুল

      Wrong: Azad ran Al-Hilal and Al-Balagh.

  76. Q76প্রশ্ন খুলুন

    Which Commission accentuated the discontent among all political groups and parties for not associating any Indian member with it?

    1. Welby Commission
    2. Cripps Mission
    3. Simon Commission
    4. Cabinet Mission
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Simon Commission

    ব্যাখ্যা

    The Simon Commission had seven British MPs and no Indian member, uniting Indian parties in protest.

    • (A) ভুল

      Wrong: Welby Commission (1895) had Dadabhai Naoroji as a member.

    • (B) ভুল

      Wrong: Cripps Mission (1942) was a negotiating mission, not this controversy.

    • (C) সঠিক

      Correct: the all-white Simon Commission (1927) was boycotted with 'Simon Go Back'.

    • (D) ভুল

      Wrong: Cabinet Mission (1946) negotiated with Indian leaders.

  77. Q77প্রশ্ন খুলুন

    Who assumed command of the Indian National Army and gave the famous battle cry 'Chalo Delhi'?

    1. Rash Behari Bose
    2. Mohan Singh
    3. Shah Nawaz Khan
    4. Subhas Chandra Bose
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Subhas Chandra Bose

    ব্যাখ্যা

    Subhas Chandra Bose took over the INA in Singapore in 1943 and gave the slogans 'Chalo Delhi' and 'Jai Hind'.

    • (A) ভুল

      Wrong: he handed over leadership to Subhas Bose in 1943.

    • (B) ভুল

      Wrong: he formed the first INA (1942) but did not give 'Chalo Delhi'.

    • (C) ভুল

      Wrong: an INA officer, not its supreme commander.

    • (D) সঠিক

      Correct: Bose took command in 1943 and gave the 'Chalo Delhi' call.

  78. Q78প্রশ্ন খুলুন

    "We shall either free India or die in the attempt..." Who said it?

    1. Jawaharlal Nehru
    2. Mahatma Gandhi
    3. Abul Kalam Azad
    4. V.D. Savarkar
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Mahatma Gandhi

    ব্যাখ্যা

    This line is from Gandhi's 'Do or Die' call launching the Quit India Movement in 1942.

    • (A) ভুল

      Wrong: not Nehru's words.

    • (B) সঠিক

      Correct: Gandhi said this in his 'Do or Die' speech at the Quit India session (8 Aug 1942).

    • (C) ভুল

      Wrong: not Azad's words.

    • (D) ভুল

      Wrong: not Savarkar's words.

  79. Q79প্রশ্ন খুলুন

    Who raised the cry "Divide and Quit"?

    1. M.A. Ansari
    2. M.A. Jinnah
    3. Jawaharlal Nehru
    4. Muhammad Iqbal
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) M.A. Jinnah

    ব্যাখ্যা

    In response to Quit India (1942), the Muslim League under Jinnah raised the slogan 'Divide and Quit'.

    • (A) ভুল

      Wrong: Ansari was a nationalist Congress leader.

    • (B) সঠিক

      Correct: Jinnah answered 'Quit India' with 'Divide and Quit'.

    • (C) ভুল

      Wrong: Nehru opposed partition demands.

    • (D) ভুল

      Wrong: Iqbal died in 1938, before this slogan.

  80. Q80প্রশ্ন খুলুন

    Which Act provided for the partition of India into two new dominions – India and Pakistan?

    1. Government of India Act, 1919
    2. Government of India Act, 1935
    3. Indian Independence Act, 1947
    4. None of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Indian Independence Act, 1947

    ব্যাখ্যা

    The Indian Independence Act, 1947 (based on the Mountbatten Plan) partitioned British India into two dominions.

    • (A) ভুল

      Wrong: it introduced dyarchy in provinces.

    • (B) ভুল

      Wrong: it proposed an all-India federation, not partition.

    • (C) সঠিক

      Correct: it created the dominions of India and Pakistan from 15 August 1947.

    • (D) ভুল

      Wrong: option C is correct.

  81. Q81প্রশ্ন খুলুন

    Which Congress leader visited Bihar in 1918 to strengthen the activities of the Home Rule League?

    1. B.G. Tilak
    2. Annie Besant
    3. Mahatma Gandhi
    4. M.A. Ansari
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Annie Besant

    ব্যাখ্যা

    Bihar's Home Rule League (1916) was affiliated to Besant's league; her 1918 visit boosted its work.

    • (A) ভুল

      Wrong: Tilak's league worked mainly in Maharashtra, Karnataka and CP.

    • (B) সঠিক

      Correct: Besant's All-India Home Rule League covered Bihar, and she toured Bihar in 1918.

    • (C) ভুল

      Wrong: Gandhi was not a Home Rule League leader.

    • (D) ভুল

      Wrong: not linked to this visit.

  82. Q82প্রশ্ন খুলুন

    The Champaran Agrarian Committee was appointed as a result of an agreement between:

    1. Indian Government and Gandhiji
    2. Indian Government and Raj Kumar Shukla
    3. Indian Government and Rajendra Prasad
    4. Indian Government and Anugraha Narayan Singh
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Indian Government and Gandhiji

    ব্যাখ্যা

    In June 1917 the Bihar government formed the Champaran Agrarian Enquiry Committee with Gandhi as a member; it led to the Champaran Agrarian Act, 1918.

    • (A) সঠিক

      Correct: the government set it up after talks with Gandhi, who was made a member.

    • (B) ভুল

      Wrong: Shukla invited Gandhi but was not a party to the agreement.

    • (C) ভুল

      Wrong: Prasad assisted Gandhi but was not the party.

    • (D) ভুল

      Wrong: he assisted Gandhi but was not the party.

  83. Q83প্রশ্ন খুলুন

    Who was the prominent leader of the Kisan Sabha movement in Bihar?

    1. Raj Kumar Shukla
    2. Sahajanand Saraswati
    3. Acharya Narendra Dev
    4. Baba Ram Chandra
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Sahajanand Saraswati

    ব্যাখ্যা

    Swami Sahajanand Saraswati founded the Bihar Provincial Kisan Sabha in 1929 and later led the All India Kisan Sabha (1936).

    • (A) ভুল

      Wrong: associated with Champaran, not the Kisan Sabha.

    • (B) সঠিক

      Correct: he founded the Bihar Provincial Kisan Sabha (1929).

    • (C) ভুল

      Wrong: a socialist leader, mainly in UP.

    • (D) ভুল

      Wrong: led the Awadh Kisan Sabha (UP).

  84. Q84প্রশ্ন খুলুন

    Who was killed while hoisting the national flag in the area of Bikram Police Station?

    1. Raghunath Singh of Gorakhari
    2. Ram Narain of Bikrampur
    3. Satyendra of Gorakhari
    4. None of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Raghunath Singh of Gorakhari

    ব্যাখ্যা

    During the 1942 Quit India Movement in Patna district, Raghunath Singh of Gorakhari was killed hoisting the flag at Bikram police station.

    • (A) সঠিক

      Correct: he was shot while hoisting the tricolour at Bikram during the Quit India Movement.

    • (B) ভুল

      Wrong: not the martyr of this incident.

    • (C) ভুল

      Wrong: not the martyr of this incident.

    • (D) ভুল

      Wrong: option A is correct.

  85. Q85প্রশ্ন খুলুন

    Who was the Chief Minister (Premier) of Bihar in March 1939?

    1. Anugraha Narayan Singh
    2. Rajendra Prasad
    3. Shri Krishna Singh
    4. None of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Shri Krishna Singh

    ব্যাখ্যা

    Shri Krishna Singh headed Bihar's Congress ministry (1937–39) under the GoI Act 1935 until Congress ministries resigned in 1939.

    • (A) ভুল

      Wrong: he was the deputy and finance minister.

    • (B) ভুল

      Wrong: he never headed the Bihar ministry.

    • (C) সঠিক

      Correct: Sri Babu led the Congress ministry from July 1937 till October 1939.

    • (D) ভুল

      Wrong: option C is correct.

  86. Q86প্রশ্ন খুলুন

    Match List-I (Places in Ancient India) with List-II (Present State): a) Karnasuvarna b) Pragjyotisha c) Girnar d) Pratishthan 1) Maharashtra 2) Gujarat 3) West Bengal 4) Assam

    1. a-4, b-3, c-2, d-1
    2. a-3, b-4, c-2, d-1
    3. a-3, b-2, c-4, d-1
    4. a-4, b-2, c-1, d-3
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) a-3, b-4, c-2, d-1

    ব্যাখ্যা

    Karnasuvarna was Shashanka's capital (Murshidabad, WB); Pragjyotisha is ancient Kamarupa (Assam); Girnar is in Junagadh; Pratishthan is Paithan, the Satavahana capital.

    • (A) ভুল

      Wrong: Karnasuvarna is in Bengal and Pragjyotisha in Assam, not the reverse.

    • (B) সঠিক

      Correct: Karnasuvarna–West Bengal, Pragjyotisha–Assam, Girnar–Gujarat, Pratishthan–Maharashtra.

    • (C) ভুল

      Wrong: Pragjyotisha is in Assam, Girnar in Gujarat.

    • (D) ভুল

      Wrong: most pairs are wrong.

  87. Q87প্রশ্ন খুলুন

    Which one of the following is NOT related to the Rigvedic period?

    1. Ghosha
    2. Gargi
    3. Apala
    4. Vishvavara
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Gargi

    ব্যাখ্যা

    Ghosha, Apala, Vishvavara and Lopamudra are Rigvedic women; Gargi appears in the Brihadaranyaka Upanishad (later Vedic).

    • (A) ভুল

      Wrong: Ghosha composed Rigvedic hymns.

    • (B) সঠিক

      Correct: Gargi Vachaknavi belongs to the later Vedic (Upanishadic) period.

    • (C) ভুল

      Wrong: Apala is a Rigvedic woman seer.

    • (D) ভুল

      Wrong: Vishvavara is a Rigvedic woman seer.

  88. Q88প্রশ্ন খুলুন

    Match List-I (Event/Place) with List-II (Person): a) Chola Gangam Lake b) Appointment of Dharma Mahamatras c) Assembly at Prayag d) Sudarshan Lake 1) Chandragupta Maurya 2) Harshavardhana 3) Rajendra I 4) Ashoka

    1. a-3, b-4, c-2, d-1
    2. a-1, b-4, c-2, d-3
    3. a-3, b-4, c-1, d-2
    4. a-2, b-3, c-1, d-4
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) a-3, b-4, c-2, d-1

    ব্যাখ্যা

    Rajendra I built Chola Gangam after his Ganga campaign; Ashoka appointed Dharma Mahamatras; Harsha held quinquennial assemblies at Prayag; Sudarshan Lake was built under Chandragupta Maurya.

    • (A) সঠিক

      Correct: Chola Gangam–Rajendra I, Dharma Mahamatras–Ashoka, Prayag–Harsha, Sudarshan–Chandragupta.

    • (B) ভুল

      Wrong: Chola Gangam was built by Rajendra I.

    • (C) ভুল

      Wrong: the Prayag assembly was Harsha's.

    • (D) ভুল

      Wrong: most pairs are wrong.

  89. Q89প্রশ্ন খুলুন

    Who among the following rulers ruled for the longest period?

    1. Alauddin Khilji
    2. Muhammad bin Tughluq
    3. Bahlol Lodi
    4. Balban
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Bahlol Lodi

    ব্যাখ্যা

    Bahlol Lodi, founder of the Lodi dynasty, reigned for about 38 years.

    • (A) ভুল

      Wrong: ruled about 20 years (1296–1316).

    • (B) ভুল

      Wrong: ruled about 26 years (1325–1351).

    • (C) সঠিক

      Correct: ruled about 38 years (1451–1489), the longest here.

    • (D) ভুল

      Wrong: ruled about 20 years (1266–1287).

  90. Q90প্রশ্ন খুলুন

    Consider the following dynasties of ancient India: 1) Shunga 2) Maurya 3) Kushana 4) Kanva. Which is the correct chronological order of their rule?

    1. 2-1-4-3
    2. 1-2-3-4
    3. 2-3-1-4
    4. 2-1-3-4
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) 2-1-4-3

    ব্যাখ্যা

    Maurya (c. 321–185 BCE) → Shunga (185–73 BCE) → Kanva (73–28 BCE) → Kushana (1st century CE onward).

    • (A) সঠিক

      Correct: Maurya → Shunga → Kanva → Kushana.

    • (B) ভুল

      Wrong: the Mauryas came before the Shungas.

    • (C) ভুল

      Wrong: the Kushanas came after the Shungas and Kanvas.

    • (D) ভুল

      Wrong: the Kanvas (c. 73–28 BCE) preceded the Kushanas.

  91. Q91প্রশ্ন খুলুন

    Which one of the following was NOT written by Tulsidas?

    1. Geetavali
    2. Vinay Patrika
    3. Sahitya Lahari
    4. Kavitavali
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Sahitya Lahari

    ব্যাখ্যা

    Surdas wrote Sur Sagar, Sur Saravali and Sahitya Lahari; the others are Tulsidas's works.

    • (A) ভুল

      Wrong: a work of Tulsidas.

    • (B) ভুল

      Wrong: a work of Tulsidas.

    • (C) সঠিক

      Correct: Sahitya Lahari is by Surdas.

    • (D) ভুল

      Wrong: a work of Tulsidas.

  92. Q92প্রশ্ন খুলুন

    Match List-I (Building) with List-II (Built by): a) Kabuli Bagh Mosque b) Adhai Din ka Jhonpra c) Allahabad Fort d) Itmad-ud-Daulah's Tomb 1) Qutb-ud-din Aibak 2) Nur Jahan 3) Akbar 4) Babur

    1. a-4, b-1, c-3, d-2
    2. a-2, b-1, c-4, d-3
    3. a-4, b-1, c-2, d-3
    4. a-1, b-4, c-3, d-2
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) a-4, b-1, c-3, d-2

    ব্যাখ্যা

    Babur built the Kabuli Bagh mosque at Panipat (1527); Nur Jahan built her father's tomb at Agra.

    • (A) সঠিক

      Correct: Kabuli Bagh–Babur, Adhai Din ka Jhonpra–Aibak, Allahabad Fort–Akbar, Itmad-ud-Daulah–Nur Jahan.

    • (B) ভুল

      Wrong: Kabuli Bagh mosque was built by Babur.

    • (C) ভুল

      Wrong: Allahabad Fort was built by Akbar.

    • (D) ভুল

      Wrong: a and b are swapped.

  93. Q93প্রশ্ন খুলুন

    Which one of the following is NOT correctly matched (Person – Associated with)?

    1. James Augustus Hicky – Calcutta Chronicle
    2. Dayananda Saraswati – Satyarth Prakash
    3. Ramaswamy Naicker – Justice Party
    4. Jyotirao Phule – Satyashodhak Samaj
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) James Augustus Hicky – Calcutta Chronicle

    ব্যাখ্যা

    Hicky's Bengal Gazette (1780) was India's first newspaper; the Calcutta Chronicle was a different paper.

    • (A) সঠিক

      Correct: Hicky published the Bengal Gazette (1780), not the Calcutta Chronicle.

    • (B) ভুল

      Wrong: correctly matched.

    • (C) ভুল

      Wrong: correctly matched (Periyar led the Justice Party).

    • (D) ভুল

      Wrong: correctly matched (founded 1873).

  94. Q94প্রশ্ন খুলুন

    Match List-I (Father) with List-II (Son): a) Babur b) Akbar c) Shah Jahan d) Jahangir 1) Salim 2) Khusrau 3) Kamran 4) Murad

    1. a-4, b-1, c-3, d-2
    2. a-3, b-1, c-4, d-2
    3. a-3, b-1, c-2, d-4
    4. a-4, b-2, c-3, d-1
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) a-3, b-1, c-4, d-2

    ব্যাখ্যা

    Kamran (Babur), Salim/Jahangir (Akbar), Murad Bakhsh (Shah Jahan) and Khusrau (Jahangir).

    • (A) ভুল

      Wrong: Kamran was Babur's son, not Shah Jahan's.

    • (B) সঠিক

      Correct: Babur–Kamran, Akbar–Salim, Shah Jahan–Murad (Bakhsh), Jahangir–Khusrau.

    • (C) ভুল

      Wrong: Khusrau was Jahangir's son.

    • (D) ভুল

      Wrong: most pairs are wrong.

  95. Q95প্রশ্ন খুলুন

    Which Buddhist council was NOT held in Bihar?

    1. First
    2. Second
    3. Third
    4. Fourth
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Fourth

    ব্যাখ্যা

    Councils: Rajagriha, Vaishali, Pataliputra (all in Bihar) and Kashmir (fourth).

    • (A) ভুল

      Wrong: held at Rajagriha (Bihar).

    • (B) ভুল

      Wrong: held at Vaishali (Bihar).

    • (C) ভুল

      Wrong: held at Pataliputra (Bihar).

    • (D) সঠিক

      Correct: held at Kundalvana in Kashmir under Kanishka.

  96. Q96প্রশ্ন খুলুন

    Which of the following statements about Subhas Chandra Bose are correct? 1) He was elected President of the Indian National Congress at the Tripuri session of 1938 AD. 2) He escaped from house internment in January 1941 AD. 3) On 21 October 1943 AD he constituted the Provisional Government of Free India in Singapore.

    1. Only 1 and 2
    2. Only 2 and 3
    3. Only 1 and 3
    4. 1, 2 and 3
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Only 2 and 3

    ব্যাখ্যা

    Bose became Congress President at Haripura (1938) and was re-elected at Tripuri (1939), so statement 1 mixes them up.

    • (A) ভুল

      Wrong: Tripuri was in 1939; 1938 was Haripura.

    • (B) সঠিক

      Correct: the January 1941 escape and the 21 Oct 1943 Provisional Government are correct.

    • (C) ভুল

      Wrong: statement 1 has the wrong year.

    • (D) ভুল

      Wrong: statement 1 is incorrect.

  97. Q97প্রশ্ন খুলুন

    Who among the following was NOT an Acharya at Nalanda University?

    1. Nagarjuna
    2. Kautilya
    3. Sheelbhadra
    4. Shantarakshita
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Kautilya

    ব্যাখ্যা

    Kautilya (Chanakya) belongs to the Mauryan era and Taxila; Nalanda flourished from the Gupta period.

    • (A) ভুল

      Wrong: traditionally associated with Nalanda.

    • (B) সঠিক

      Correct: Kautilya was associated with Taxila, centuries before Nalanda.

    • (C) ভুল

      Wrong: Shilabhadra was Nalanda's head when Xuanzang visited.

    • (D) ভুল

      Wrong: a famous Nalanda scholar who went to Tibet.

  98. Q98প্রশ্ন খুলুন

    Consider the following events of modern Indian history: 1) Death sentence to Raja Nand Kumar 2) Treaty of Salbai 3) Battle of Wandiwash 4) Death of Tipu Sultan Which is the correct chronological order?

    1. 2-3-4-1
    2. 3-1-2-4
    3. 2-4-1-3
    4. 3-2-1-4
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) 3-1-2-4

    ব্যাখ্যা

    Wandiwash (1760), Nand Kumar hanged (1775), Treaty of Salbai (1782), Tipu killed (1799).

    • (A) ভুল

      Wrong: Wandiwash (1760) came first.

    • (B) সঠিক

      Correct: Wandiwash 1760 → Nand Kumar 1775 → Salbai 1782 → Tipu 1799.

    • (C) ভুল

      Wrong: wrong order.

    • (D) ভুল

      Wrong: Nand Kumar's execution (1775) preceded Salbai (1782).

  99. Q99প্রশ্ন খুলুন

    Among the following newspapers of Bihar, which was the first one to be published?

    1. Bihar Bandhu
    2. Patna Harkara
    3. Akhbar-e-Bihar
    4. Bihar Herald
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Patna Harkara

    ব্যাখ্যা

    Patna Harkara is generally treated as Bihar's first newspaper among these options.

    • (A) ভুল

      Wrong: Bihar Bandhu (1872) was the first Hindi paper of Bihar, but came later.

    • (B) সঠিক

      Correct: Patna Harkara is regarded as the earliest of these.

    • (C) ভুল

      Wrong: came after Patna Harkara.

    • (D) ভুল

      Wrong: Bihar Herald (1875) came later.

  100. Q100প্রশ্ন খুলুন

    Match List-I (Event/Organisation) with List-II (Related Person): a) Champaran Satyagraha b) Azad Dasta c) Individual Satyagraha in Bihar, 1940 d) Kisan Sabha, Bihar 1) Jayaprakash Narayan 2) Shyam Narayan Singh 3) Sahajanand Saraswati 4) Dr. Rajendra Prasad

    1. a-4, b-2, c-3, d-1
    2. a-2, b-3, c-1, d-4
    3. a-1, b-4, c-3, d-2
    4. a-4, b-1, c-2, d-3
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) a-4, b-1, c-2, d-3

    ব্যাখ্যা

    Rajendra Prasad assisted Gandhi at Champaran; JP organised the Azad Dasta from Nepal (1942); Sahajanand led the Bihar Kisan Sabha.

    • (A) ভুল

      Wrong: Azad Dasta was formed by JP.

    • (B) ভুল

      Wrong: Champaran is linked to Rajendra Prasad.

    • (C) ভুল

      Wrong: most pairs are wrong.

    • (D) সঠিক

      Correct: Champaran–Rajendra Prasad, Azad Dasta–JP, Individual Satyagraha–Shyam Narayan Singh, Kisan Sabha–Sahajanand.

  101. Q101প্রশ্ন খুলুন

    The Maginot Line exists between which countries?

    1. U.S.A. & Canada
    2. France & Germany
    3. Namibia and Angola
    4. South Korea & North Korea
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) France & Germany

    ব্যাখ্যা

    The Maginot Line was a French defensive line facing Germany, named after War Minister André Maginot.

    • (A) ভুল

      Wrong: their border is the 49th parallel, not the Maginot Line.

    • (B) সঠিক

      Correct: France built the Maginot Line of fortifications along its German border in the 1930s.

    • (C) ভুল

      Wrong: not related to the Maginot Line.

    • (D) ভুল

      Wrong: they are divided by the 38th parallel/DMZ.

  102. Q102প্রশ্ন খুলুন

    The Strait of Hormuz connects:

    1. The Persian Gulf to the Gulf of Oman
    2. Red Sea to the Gulf of Aden
    3. Red Sea to the Indian Ocean
    4. Mediterranean Sea to the Red Sea
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) The Persian Gulf to the Gulf of Oman

    ব্যাখ্যা

    The Strait of Hormuz, between Iran and Oman, joins the Persian Gulf to the Gulf of Oman.

    • (A) সঠিক

      Correct: Hormuz links the Persian Gulf with the Gulf of Oman and Arabian Sea.

    • (B) ভুল

      Wrong: that is the Bab-el-Mandeb strait.

    • (C) ভুল

      Wrong: also via Bab-el-Mandeb, not Hormuz.

    • (D) ভুল

      Wrong: that is the Suez Canal.

  103. Q103প্রশ্ন খুলুন

    Where is "Ground Zero"?

    1. Greenwich
    2. New York
    3. Indira Point
    4. Sriharikota
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) New York

    ব্যাখ্যা

    'Ground Zero' commonly refers to the site of the World Trade Center in New York destroyed on 11 Sept 2001.

    • (A) ভুল

      Wrong: Greenwich is the Prime Meridian (0° longitude).

    • (B) সঠিক

      Correct: Ground Zero is the World Trade Center site of the 9/11 attacks.

    • (C) ভুল

      Wrong: Indira Point is India's southernmost tip.

    • (D) ভুল

      Wrong: Sriharikota is ISRO's launch site.

  104. Q104প্রশ্ন খুলুন

    Which of the following isthmuses has been known as the 'Devil's Neck'?

    1. Isthmus of Panama
    2. Kra Isthmus
    3. Karelian Isthmus
    4. Isthmus of Corinth
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Isthmus of Panama

    ব্যাখ্যা

    The Isthmus of Panama was called the 'Devil's Neck' because crossing it was dangerous due to jungle and disease.

    • (A) সঠিক

      Correct: its deadly jungles and swamps (Darién) earned it the nickname 'Devil's Neck'.

    • (B) ভুল

      Wrong: Kra (Thailand) is not known by this name.

    • (C) ভুল

      Wrong: not known by this name.

    • (D) ভুল

      Wrong: not known by this name.

  105. Q105প্রশ্ন খুলুন

    'Ladang' refers to:

    1. Shifting agriculture
    2. Plantation agriculture
    3. Subsistence type of agriculture
    4. Dry farming
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Shifting agriculture

    ব্যাখ্যা

    Shifting cultivation has regional names: Ladang (Malaysia/Indonesia), Jhum (NE India), Milpa (Mexico), Roca (Brazil).

    • (A) সঠিক

      Correct: Ladang is the Malaysian/Indonesian name for slash-and-burn shifting cultivation.

    • (B) ভুল

      Wrong: plantations are large commercial estates.

    • (C) ভুল

      Wrong: too general; Ladang specifically means shifting cultivation.

    • (D) ভুল

      Wrong: dry farming is rain-fed farming in low-rainfall areas.

  106. Q106প্রশ্ন খুলুন

    Which is the largest river island in the world?

    1. Srirangam Island
    2. Majuli Island
    3. Bhavani Island
    4. Agatti Island
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Majuli Island

    ব্যাখ্যা

    Majuli, in the Brahmaputra, was certified by Guinness as the world's largest river island (2016).

    • (A) ভুল

      Wrong: a Kaveri river island, much smaller.

    • (B) সঠিক

      Correct: Majuli in the Brahmaputra (Assam) is recognised as the largest river island.

    • (C) ভুল

      Wrong: a Krishna river island, much smaller.

    • (D) ভুল

      Wrong: Agatti is a Lakshadweep coral island, not a river island.

  107. Q107প্রশ্ন খুলুন

    The second largest river basin of India is:

    1. Mahanadi river basin
    2. Narmada river basin
    3. Godavari river basin
    4. Kaveri river basin
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Godavari river basin

    ব্যাখ্যা

    Ganga is first; the Godavari ('Dakshin Ganga') basin is second.

    • (A) ভুল

      Wrong: smaller than the Godavari basin.

    • (B) ভুল

      Wrong: smaller than the Godavari basin.

    • (C) সঠিক

      Correct: after the Ganga, the Godavari has India's largest basin (~10% of area).

    • (D) ভুল

      Wrong: much smaller.

  108. Q108প্রশ্ন খুলুন

    Which of the following is the place of confluence of the Alaknanda and Bhagirathi?

    1. Vishnuprayag
    2. Karnaprayag
    3. Rudraprayag
    4. Devprayag
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Devprayag

    ব্যাখ্যা

    At Devprayag the Bhagirathi and Alaknanda join and the river is called the Ganga.

    • (A) ভুল

      Wrong: Alaknanda meets Dhauliganga here.

    • (B) ভুল

      Wrong: Alaknanda meets Pindar here.

    • (C) ভুল

      Wrong: Alaknanda meets Mandakini here.

    • (D) সঠিক

      Correct: Alaknanda and Bhagirathi meet here to form the Ganga.

  109. Q109প্রশ্ন খুলুন

    The two volcanic islands in Indian territory are:

    1. Kavaratti and New Moore
    2. Bitra and Kavaratti
    3. Pamban and Barren
    4. Narcondam and Barren
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Narcondam and Barren

    ব্যাখ্যা

    Barren Island has India's only active volcano; Narcondam is a dormant volcano, both in the Andamans.

    • (A) ভুল

      Wrong: Kavaratti is a coral island; New Moore was a sediment island.

    • (B) ভুল

      Wrong: both are Lakshadweep coral islands.

    • (C) ভুল

      Wrong: Pamban is not volcanic.

    • (D) সঠিক

      Correct: both are volcanic islands in the Andaman Sea.

  110. Q110প্রশ্ন খুলুন

    The art of crafting which item in Meerut has received a GI tag?

    1. Sports goods
    2. Musical instruments
    3. Laddoo
    4. Scissors
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Scissors

    ব্যাখ্যা

    Meerut's hand-made scissors, a centuries-old craft, carry a Geographical Indication tag.

    • (A) ভুল

      Wrong: Meerut is famous for sports goods, but the GI is for scissors.

    • (B) ভুল

      Wrong: not the GI-tagged item.

    • (C) ভুল

      Wrong: not the GI-tagged item.

    • (D) সঠিক

      Correct: 'Meerut Scissors' (Kainchi) received a GI tag.

  111. Q111প্রশ্ন খুলুন

    In India, the Temperate Forest Research Centre is in which city?

    1. Shimla
    2. Ranchi
    3. Srinagar
    4. Dehradun
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Shimla

    ব্যাখ্যা

    ICFRE's Himalayan Forest Research Institute, Shimla, works on temperate/Himalayan forests.

    • (A) সঠিক

      Correct: the Himalayan Forest Research Institute, focused on temperate forests, is in Shimla.

    • (B) ভুল

      Wrong: Ranchi hosts the Institute of Forest Productivity, not temperate research.

    • (C) ভুল

      Wrong: not the designated centre.

    • (D) ভুল

      Wrong: Dehradun hosts the FRI (national level), not the temperate centre.

  112. Q112প্রশ্ন খুলুন

    Kanha National Park is located in:

    1. Uttarakhand
    2. Assam
    3. Madhya Pradesh
    4. Maharashtra
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Madhya Pradesh

    ব্যাখ্যা

    Kanha Tiger Reserve in Madhya Pradesh is known for the hard-ground barasingha.

    • (A) ভুল

      Wrong: Uttarakhand has Jim Corbett, not Kanha.

    • (B) ভুল

      Wrong: Assam has Kaziranga.

    • (C) সঠিক

      Correct: Kanha (Mandla–Balaghat) is in Madhya Pradesh.

    • (D) ভুল

      Wrong: Maharashtra has Tadoba, not Kanha.

  113. Q113প্রশ্ন খুলুন

    'Loktak' is a:

    1. Valley
    2. Lake
    3. River
    4. Mountain range
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Lake

    ব্যাখ্যা

    Loktak Lake hosts Keibul Lamjao, the world's only floating national park.

    • (A) ভুল

      Wrong: Loktak is not a valley.

    • (B) সঠিক

      Correct: Loktak in Manipur is the largest freshwater lake in NE India, with floating phumdis.

    • (C) ভুল

      Wrong: Loktak is not a river.

    • (D) ভুল

      Wrong: Loktak is not a mountain range.

  114. Q114প্রশ্ন খুলুন

    Which of the following parks/sanctuaries comes under Project Tiger in Bihar?

    1. Valmiki National Park
    2. Udaypur Wildlife Sanctuary
    3. Bhimbandh Wildlife Sanctuary
    4. None of these
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Valmiki National Park

    ব্যাখ্যা

    Valmiki Tiger Reserve (declared 1994) is Bihar's tiger reserve under Project Tiger.

    • (A) সঠিক

      Correct: Valmiki (West Champaran) is Bihar's tiger reserve.

    • (B) ভুল

      Wrong: not a tiger reserve.

    • (C) ভুল

      Wrong: not a tiger reserve.

    • (D) ভুল

      Wrong: Valmiki is a tiger reserve.

  115. Q115প্রশ্ন খুলুন

    Which of the following is the state animal of Bihar?

    1. Cow
    2. Bull
    3. Buffalo
    4. Horse
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Bull

    ব্যাখ্যা

    Bihar's official state animal is the gaur (Bos gaurus). None of the options names it exactly; 'Bull' is the nearest and is commonly used in Bihar GK books.

    • (A) ভুল

      Wrong: not the state animal.

    • (B) সঠিক

      Correct: Bihar's state animal is the gaur (Indian bison), a wild bovine often listed as 'bull/बैल' in exam material; this is the closest option.

    • (C) ভুল

      Wrong: a buffalo is a different animal from the gaur.

    • (D) ভুল

      Wrong: not the state animal.

  116. Q116প্রশ্ন খুলুন

    In which year was Nalanda University re-established in Bihar?

    1. 2005
    2. 2007
    3. 2008
    4. 2014
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) 2014

    ব্যাখ্যা

    The Nalanda University Act was passed in 2010 and teaching started at Rajgir in September 2014.

    • (A) ভুল

      Wrong: too early.

    • (B) ভুল

      Wrong: the idea was endorsed at the East Asia Summit then, but classes had not begun.

    • (C) ভুল

      Wrong: not the year it reopened.

    • (D) সঠিক

      Correct: the new Nalanda University began academic sessions in 2014 (after the 2010 Act).

  117. Q117প্রশ্ন খুলুন

    The Karmanasa river originates in:

    1. Kaimur district
    2. Vaishali district
    3. Patna district
    4. Bikram district
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Kaimur district

    ব্যাখ্যা

    The Karmanasa rises in the Kaimur range and forms part of the Bihar–UP border before joining the Ganga.

    • (A) সঠিক

      Correct: it rises in the Kaimur hills (Kaimur district) region.

    • (B) ভুল

      Wrong: Vaishali is in the plains north of the Ganga.

    • (C) ভুল

      Wrong: not its source.

    • (D) ভুল

      Wrong: Bikram is a block in Patna, not a district.

  118. Q118প্রশ্ন খুলুন

    Bihar produces ____% of the pyrite of whole India.

    1. 75
    2. 85
    3. 95
    4. 100
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) 95

    ব্যাখ্যা

    Amjhore in Rohtas district is India's main pyrite source; Bihar accounts for about 95%.

    • (A) ভুল

      Wrong: too low.

    • (B) ভুল

      Wrong: too low.

    • (C) সঠিক

      Correct: Bihar (Amjhore, Rohtas) produces about 95% of India's pyrite.

    • (D) ভুল

      Wrong: small amounts come from other states too.

  119. Q119প্রশ্ন খুলুন

    Gold is found in which district of Bihar?

    1. Gaya district
    2. Jamui district
    3. Nalanda district
    4. Bhagalpur district
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Jamui district

    ব্যাখ্যা

    Jamui (Sono block) has large gold ore resources identified by the GSI.

    • (A) ভুল

      Wrong: not the gold-bearing district.

    • (B) সঠিক

      Correct: the Sono (Karmatiya) area of Jamui holds India's largest gold reserve estimate.

    • (C) ভুল

      Wrong: not the gold-bearing district.

    • (D) ভুল

      Wrong: not the gold-bearing district.

  120. Q120প্রশ্ন খুলুন

    Most of Bihar comes under which of the following climate types?

    1. Subtropical monsoon
    2. Tropical savannah
    3. Hot and dry
    4. Hot and semi-arid
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Subtropical monsoon

    ব্যাখ্যা

    Bihar lies in the subtropical zone and receives most rain from the south-west monsoon.

    • (A) সঠিক

      Correct: Bihar has a humid subtropical monsoon climate.

    • (B) ভুল

      Wrong: savannah type covers parts of peninsular India.

    • (C) ভুল

      Wrong: Bihar gets ample monsoon rain.

    • (D) ভুল

      Wrong: semi-arid applies to Rajasthan/Gujarat, not Bihar.

  121. Q121প্রশ্ন খুলুন

    We apply a force of 200 newtons on a wooden box and push it across the floor at constant velocity. The friction force will be:

    1. 100 N
    2. 200 N
    3. 300 N
    4. 400 N
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) 200 N

    ব্যাখ্যা

    By Newton's first law, zero acceleration means the forces balance: friction = 200 N.

    • (A) ভুল

      Wrong: at constant velocity net force is zero, so friction equals 200 N.

    • (B) সঠিক

      Correct: constant velocity means applied force = friction = 200 N.

    • (C) ভুল

      Wrong: friction cannot exceed the applied force if velocity is constant.

    • (D) ভুল

      Wrong: not balanced with 200 N.

  122. Q122প্রশ্ন খুলুন

    A truck starts from rest down a hill with constant acceleration. It covers 400 m in 20 s. If the mass of the truck is 7 tonnes, what is the force acting on it?

    1. 11000 N
    2. 12000 N
    3. 13000 N
    4. 14000 N
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) 14000 N

    ব্যাখ্যা

    a = 2s/t² = 800/400 = 2 m/s²; F = ma = 7000 × 2 = 14000 N.

    • (A) ভুল

      Wrong: F = 7000 × 2 = 14000 N.

    • (B) ভুল

      Wrong: F = 7000 × 2 = 14000 N.

    • (C) ভুল

      Wrong: F = 7000 × 2 = 14000 N.

    • (D) সঠিক

      Correct: s = ½at² → 400 = ½a(400) → a = 2 m/s²; F = 7000 kg × 2 = 14000 N.

  123. Q123প্রশ্ন খুলুন

    The energy consumed in a home in a month is 250 units. The total energy in joules will be:

    1. 9 × 10^5 J
    2. 8 × 10^6 J
    3. 9 × 10^8 J
    4. 10^5 J
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) 9 × 10^8 J

    ব্যাখ্যা

    One unit is 1 kWh = 3.6 × 10^6 J, so 250 units = 9 × 10^8 J.

    • (A) ভুল

      Wrong: far too small.

    • (B) ভুল

      Wrong: far too small.

    • (C) সঠিক

      Correct: 1 unit = 1 kWh = 3.6 × 10^6 J; 250 × 3.6 × 10^6 = 9 × 10^8 J.

    • (D) ভুল

      Wrong: far too small.

  124. Q124প্রশ্ন খুলুন

    In which medium is the speed of sound maximum?

    1. Steel
    2. Water
    3. Air
    4. Hydrogen
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Steel

    ব্যাখ্যা

    Sound is fastest in solids, then liquids, then gases; steel is the fastest medium here.

    • (A) সঠিক

      Correct: sound travels fastest in solids like steel (~5000–6000 m/s).

    • (B) ভুল

      Wrong: about 1500 m/s, slower than steel.

    • (C) ভুল

      Wrong: about 343 m/s, the slowest here.

    • (D) ভুল

      Wrong: about 1270 m/s, still slower than steel.

  125. Q125প্রশ্ন খুলুন

    The potential energy of a freely falling body continuously decreases. Therefore:

    1. The principle of conservation of energy is violated
    2. The principle of conservation of energy is not violated
    3. Gravitational force is violated
    4. Gravitational force is not violated
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) The principle of conservation of energy is not violated

    ব্যাখ্যা

    As the body falls, potential energy converts to kinetic energy; total mechanical energy is conserved.

    • (A) ভুল

      Wrong: lost potential energy becomes kinetic energy, so energy is conserved.

    • (B) সঠিক

      Correct: PE + KE stays constant (ignoring air resistance).

    • (C) ভুল

      Wrong: meaningless; gravity is what causes the fall.

    • (D) ভুল

      Wrong: irrelevant to the energy question asked.

  126. Q126প্রশ্ন খুলুন

    A pair of oxen exerts a force of 140 N on a plough. The field ploughed is 15 m long. How much work is done in ploughing the length of the field?

    1. 1900 J
    2. 2000 J
    3. 2100 J
    4. 2200 J
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) 2100 J

    ব্যাখ্যা

    Work = force × displacement = 140 N × 15 m = 2100 J.

    • (A) ভুল

      Wrong: W = 140 × 15 = 2100 J.

    • (B) ভুল

      Wrong: W = 140 × 15 = 2100 J.

    • (C) সঠিক

      Correct: W = F × s = 140 × 15 = 2100 J.

    • (D) ভুল

      Wrong: W = 140 × 15 = 2100 J.

  127. Q127প্রশ্ন খুলুন

    The focal length of a plane mirror is:

    1. +1 cm
    2. −1 cm
    3. 2 cm
    4. Infinity
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Infinity

    ব্যাখ্যা

    A plane mirror can be seen as a sphere of infinite radius, so its focal length is infinite.

    • (A) ভুল

      Wrong: a plane mirror has no finite focus.

    • (B) ভুল

      Wrong: a plane mirror has no finite focus.

    • (C) ভুল

      Wrong: a plane mirror has no finite focus.

    • (D) সঠিক

      Correct: its radius of curvature is infinite, so f = R/2 is infinite.

  128. Q128প্রশ্ন খুলুন

    Which term in the following does NOT represent electric power in an electric circuit?

    1. IR
    2. I²R
    3. VI
    4. V²/R
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) IR

    ব্যাখ্যা

    Power P = VI = I²R = V²/R. IR is just voltage by Ohm's law.

    • (A) সঠিক

      Correct: IR equals voltage (V), not power.

    • (B) ভুল

      Wrong: P = I²R is a valid power expression.

    • (C) ভুল

      Wrong: P = VI is a valid power expression.

    • (D) ভুল

      Wrong: P = V²/R is a valid power expression.

  129. Q129প্রশ্ন খুলুন

    During a short circuit, the value of electric current in the circuit:

    1. Becomes very low
    2. Does not change
    3. Increases very sharply
    4. Changes continuously
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Increases very sharply

    ব্যাখ্যা

    In a short circuit, live and neutral touch, resistance falls almost to zero and current rises sharply.

    • (A) ভুল

      Wrong: resistance drops, so current rises.

    • (B) ভুল

      Wrong: current changes sharply.

    • (C) সঠিক

      Correct: near-zero resistance makes current (I = V/R) very large.

    • (D) ভুল

      Wrong: the defining feature is a sudden large rise.

  130. Q130প্রশ্ন খুলুন

    Which device protects equipment from electrical damage due to excess current?

    1. Fuse
    2. Generator
    3. Motor
    4. Current controller
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Fuse

    ব্যাখ্যা

    A fuse is a safety device with a low-melting wire that cuts off excess current.

    • (A) সঠিক

      Correct: a fuse melts and breaks the circuit when current exceeds a safe limit.

    • (B) ভুল

      Wrong: a generator produces electricity.

    • (C) ভুল

      Wrong: a motor converts electrical to mechanical energy.

    • (D) ভুল

      Wrong: not the standard safety device.

  131. Q131প্রশ্ন খুলুন

    The pH value of a 0.1 N HCl solution is approximately:

    1. 1.0
    2. 11.0
    3. 10
    4. 2.0
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) 1.0

    ব্যাখ্যা

    HCl fully ionises, so [H⁺] = 0.1 mol/L and pH = 1.

    • (A) সঠিক

      Correct: [H⁺] = 0.1 M, so pH = −log(0.1) = 1.

    • (B) ভুল

      Wrong: pH 11 is basic; HCl is a strong acid.

    • (C) ভুল

      Wrong: pH 10 is basic.

    • (D) ভুল

      Wrong: pH 2 would be 0.01 M HCl.

  132. Q132প্রশ্ন খুলুন

    Which compound is known as a glow-in-the-dark (night glowing) pigment?

    1. Europium-doped strontium aluminate
    2. Copper sulphide-doped zinc oxide
    3. Barium sulphate-doped copper carbonate
    4. Boron oxide-doped copper sulphate
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Europium-doped strontium aluminate

    ব্যাখ্যা

    Europium (and dysprosium) doped strontium aluminate glows for hours after charging with light.

    • (A) সঠিক

      Correct: SrAl₂O₄:Eu is the main long-afterglow phosphor.

    • (B) ভুল

      Wrong: the older phosphor was copper-doped zinc sulphide, not this.

    • (C) ভুল

      Wrong: not a luminous pigment.

    • (D) ভুল

      Wrong: not a luminous pigment.

  133. Q133প্রশ্ন খুলুন

    Which material is used for smart film?

    1. Indium tin oxide
    2. Calcium carbonate
    3. Zinc chloride
    4. Silica
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Indium tin oxide

    ব্যাখ্যা

    Smart (PDLC) films sandwich liquid crystals between ITO-coated layers that carry the switching voltage.

    • (A) সঠিক

      Correct: ITO is a transparent conductor used in smart (switchable) films and touchscreens.

    • (B) ভুল

      Wrong: not conductive or transparent for this use.

    • (C) ভুল

      Wrong: not used for smart films.

    • (D) ভুল

      Wrong: silica is an insulator, not the electrode layer.

  134. Q134প্রশ্ন খুলুন

    Which metal compound is used for the treatment of carcinoma?

    1. Platinum
    2. Chromium
    3. Iron
    4. Chlorine
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Platinum

    ব্যাখ্যা

    Platinum drugs such as cisplatin and carboplatin are used in chemotherapy for many carcinomas.

    • (A) সঠিক

      Correct: cisplatin, a platinum compound, is a key anti-cancer drug.

    • (B) ভুল

      Wrong: chromium compounds are not used for this.

    • (C) ভুল

      Wrong: iron compounds treat anaemia, not cancer.

    • (D) ভুল

      Wrong: chlorine is not a metal.

  135. Q135প্রশ্ন খুলুন

    Which compound is used in contraceptive pills?

    1. Cholecalciferol
    2. Levonorgestrel
    3. Venlafaxine
    4. Cetirizine
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Levonorgestrel

    ব্যাখ্যা

    Levonorgestrel is a progestogen used in combined and emergency contraceptive pills.

    • (A) ভুল

      Wrong: this is vitamin D3.

    • (B) সঠিক

      Correct: a synthetic progestin used in regular and emergency pills.

    • (C) ভুল

      Wrong: an antidepressant.

    • (D) ভুল

      Wrong: an antihistamine for allergies.

  136. Q136প্রশ্ন খুলুন

    Why is oil not stored in a galvanised iron pot?

    1. It produces a toxic compound
    2. It reduces the quality of oil
    3. Corrosion is observed
    4. All of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) All of the above

    ব্যাখ্যা

    Galvanised iron is zinc-coated; acids in oil react with zinc, giving harmful compounds, off-flavours and corrosion.

    • (A) ভুল

      Wrong: true, but the other reasons also apply.

    • (B) ভুল

      Wrong: true, but the other reasons also apply.

    • (C) ভুল

      Wrong: true, but the other reasons also apply.

    • (D) সঠিক

      Correct: fatty acids react with the zinc coating, forming toxic zinc compounds, spoiling the oil and corroding the pot.

  137. Q137প্রশ্ন খুলুন

    Which compound has been used to increase the octane rating of petrol?

    1. Trimethylhexane
    2. Tetramethyl oxide
    3. Tetraethyl lead
    4. Triethyl toluene
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Tetraethyl lead

    ব্যাখ্যা

    Tetraethyl lead (TEL) reduces engine knocking and raises octane number; it has been phased out due to lead pollution.

    • (A) ভুল

      Wrong: not the classic anti-knock additive.

    • (B) ভুল

      Wrong: not a standard additive.

    • (C) সঠিক

      Correct: TEL was the classic anti-knock agent (now phased out for health reasons).

    • (D) ভুল

      Wrong: not a standard additive.

  138. Q138প্রশ্ন খুলুন

    Full form of the biodegradable polymer PHBV:

    1. Polyhydroxy butyl vanillin
    2. Poly hydroxy butane veratric acid
    3. Poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
    4. Poly hydroxybutyric acid veratric acid
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Poly(3-hydroxybutyrate-co-3-hydroxyvalerate)

    ব্যাখ্যা

    PHBV, poly(3-hydroxybutyrate-co-3-hydroxyvalerate), is a biodegradable aliphatic polyester.

    • (A) ভুল

      Wrong: incorrect expansion.

    • (B) ভুল

      Wrong: incorrect expansion.

    • (C) সঠিক

      Correct: PHBV is a copolymer of 3-hydroxybutyric and 3-hydroxyvaleric acids.

    • (D) ভুল

      Wrong: incorrect expansion.

  139. Q139প্রশ্ন খুলুন

    Hormones are secreted by:

    1. Sebaceous glands
    2. Reproductive glands
    3. Exocrine glands
    4. Endocrine glands
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Endocrine glands

    ব্যাখ্যা

    Hormones are chemical messengers secreted by ductless (endocrine) glands into the bloodstream.

    • (A) ভুল

      Wrong: they secrete sebum, not hormones.

    • (B) ভুল

      Wrong: gonads do secrete hormones, but the general answer is endocrine glands.

    • (C) ভুল

      Wrong: exocrine glands release secretions through ducts.

    • (D) সঠিক

      Correct: ductless endocrine glands release hormones directly into the blood.

  140. Q140প্রশ্ন খুলুন

    Which one of the following terms characterises the interaction between the herpes simplex virus and a human?

    1. Parasitism
    2. Symbiosis
    3. Endosymbiosis
    4. Endoparasitism
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Parasitism

    ব্যাখ্যা

    HSV replicates in human cells and causes disease: a parasitic (+/−) relationship.

    • (A) সঠিক

      Correct: the virus benefits and the human host is harmed.

    • (B) ভুল

      Wrong: symbiosis implies mutual benefit.

    • (C) ভুল

      Wrong: endosymbiosis is mutually beneficial (e.g. mitochondria origin).

    • (D) ভুল

      Wrong: a subtype; the standard term for this interaction is parasitism.

  141. Q141প্রশ্ন খুলুন

    Which class of immunoglobulin is the first to be produced in response to an infection?

    1. IgG
    2. IgA
    3. IgM
    4. IgE
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) IgM

    ব্যাখ্যা

    IgM appears first after exposure; IgG follows and gives long-term protection.

    • (A) ভুল

      Wrong: IgG dominates later (secondary) responses.

    • (B) ভুল

      Wrong: IgA protects mucosal surfaces.

    • (C) সঠিক

      Correct: IgM (a pentamer) is the first antibody made in a primary response.

    • (D) ভুল

      Wrong: IgE is involved in allergy and parasites.

  142. Q142প্রশ্ন খুলুন

    Biological membranes are composed of:

    1. Lipids and proteins in varying combinations specific to each species, cell type and organelle
    2. Lipids only
    3. Proteins only
    4. None of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Lipids and proteins in varying combinations specific to each species, cell type and organelle

    ব্যাখ্যা

    Membranes are lipid–protein assemblies (with some carbohydrate) whose ratio differs between cell types.

    • (A) সঠিক

      Correct: the fluid mosaic model: a lipid bilayer with proteins, varying by cell type.

    • (B) ভুল

      Wrong: membranes also contain proteins.

    • (C) ভুল

      Wrong: membranes also contain lipids.

    • (D) ভুল

      Wrong: option A is correct.

  143. Q143প্রশ্ন খুলুন

    Which of the following is a nonsense codon?

    1. UAA
    2. AUG
    3. UUU
    4. UGC
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) UAA

    ব্যাখ্যা

    The nonsense (stop) codons are UAA, UAG and UGA.

    • (A) সঠিক

      Correct: UAA (ochre) is a stop codon.

    • (B) ভুল

      Wrong: AUG is the start codon (methionine).

    • (C) ভুল

      Wrong: UUU codes for phenylalanine.

    • (D) ভুল

      Wrong: UGC codes for cysteine.

  144. Q144প্রশ্ন খুলুন

    Species which are in danger of extinction are known as:

    1. Vulnerable
    2. Rare
    3. Endangered
    4. Extinct
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) Endangered

    ব্যাখ্যা

    IUCN's 'Endangered' category covers species facing a very high risk of extinction in the wild.

    • (A) ভুল

      Wrong: vulnerable species face a high (not immediate) risk.

    • (B) ভুল

      Wrong: rare means small populations, not necessarily endangered.

    • (C) সঠিক

      Correct: endangered species are in danger of extinction.

    • (D) ভুল

      Wrong: extinct species no longer exist.

  145. Q145প্রশ্ন খুলুন

    Which of the following is a Kharif crop?

    1. Sugarcane
    2. Barley
    3. Gram
    4. Wheat
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Sugarcane

    ব্যাখ্যা

    Barley, gram and wheat are winter (rabi) crops; sugarcane is grown through the monsoon season.

    • (A) সঠিক

      Correct: among these, sugarcane is grown through the monsoon and classed with kharif crops; the rest are rabi.

    • (B) ভুল

      Wrong: barley is a rabi crop.

    • (C) ভুল

      Wrong: gram is a rabi crop.

    • (D) ভুল

      Wrong: wheat is a rabi crop.

  146. Q146প্রশ্ন খুলুন

    Xylem in plants is responsible for which function?

    1. Transport of water and dissolved minerals
    2. Transport of food
    3. Transport of oxygen and other gases
    4. Transport of essential amino acids
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) Transport of water and dissolved minerals

    ব্যাখ্যা

    Xylem conducts water and minerals; phloem conducts food.

    • (A) সঠিক

      Correct: xylem carries water and minerals from roots upward.

    • (B) ভুল

      Wrong: food is carried by phloem.

    • (C) ভুল

      Wrong: gases diffuse through stomata and lenticels.

    • (D) ভুল

      Wrong: organic solutes move in phloem.

  147. Q147প্রশ্ন খুলুন

    Who was the first to use the characteristics of vascular tissues in the classification of plants?

    1. Engler and Prantl
    2. Bentham and Hooker
    3. A.P. de Candolle
    4. More than one of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (C) A.P. de Candolle

    ব্যাখ্যা

    A.P. de Candolle (who coined 'taxonomy') first used the presence or absence of vascular tissue to classify plants.

    • (A) ভুল

      Wrong: their phylogenetic system came later.

    • (B) ভুল

      Wrong: their natural system did not first use vascular tissue.

    • (C) সঠিক

      Correct: de Candolle divided plants into vascular and cellular groups.

    • (D) ভুল

      Wrong: only de Candolle fits.

  148. Q148প্রশ্ন খুলুন

    The part of the mango that we eat is the:

    1. Epicarp
    2. Mesocarp
    3. Endocarp
    4. None of the above
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (B) Mesocarp

    ব্যাখ্যা

    Mango is a drupe; we eat its fleshy mesocarp.

    • (A) ভুল

      Wrong: the epicarp is the skin.

    • (B) সঠিক

      Correct: the fleshy, juicy mesocarp is the edible part.

    • (C) ভুল

      Wrong: the endocarp is the hard stone.

    • (D) ভুল

      Wrong: option B is correct.

  149. Q149প্রশ্ন খুলুন

    Ozone Day is celebrated on:

    1. 16 September
    2. 5 June
    3. 21 April
    4. 5 December
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (A) 16 September

    ব্যাখ্যা

    International Day for the Preservation of the Ozone Layer is 16 September.

    • (A) সঠিক

      Correct: the Montreal Protocol was signed on 16 Sept 1987.

    • (B) ভুল

      Wrong: 5 June is World Environment Day.

    • (C) ভুল

      Wrong: 21 April is Civil Services Day.

    • (D) ভুল

      Wrong: 5 December is World Soil Day.

  150. Q150প্রশ্ন খুলুন

    In a mycorrhizal association, the advantage to the plant is:

    1. Protection
    2. Food
    3. Both (A) and (B)
    4. Increased mineral absorption and disease protection
    উত্তর দেখান ও ব্যাখ্যা

    উত্তর: (D) Increased mineral absorption and disease protection

    ব্যাখ্যা

    Mycorrhiza is a mutualism: the fungus aids mineral (especially P) uptake and root protection; the plant supplies carbohydrates.

    • (A) ভুল

      Wrong: partly true, but mineral uptake is the main benefit.

    • (B) ভুল

      Wrong: the plant gives sugars to the fungus, not the reverse.

    • (C) ভুল

      Wrong: food is not the plant's gain.

    • (D) সঠিক

      Correct: the fungus boosts phosphorus/water uptake and protects roots from pathogens.

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