What is the full form of GPT in ChatGPT, recently seen in the news?

Generative Pre-trained Transformer

What was the 'Manhattan Project'?

A research and development undertaking that produced the first nuclear weapons

One of the largest art auctions of the world

A real estate project in New York City

The image formed by a concave mirror is real, inverted and of the same size as the object. The position of the object should be:

between the focus and centre of curvature

A photoelectric cell is a device which:

converts light energy into electrical energy

converts electrical energy into light energy

How do COVID vaccines stimulate an immune response?

By introducing a harmless piece of SARS-CoV-2 virus

By introducing live attenuated SARS-CoV-2 virus

By introducing real SARS-CoV-2 virus

By introducing antibodies against SARS-CoV-2 virus

The double-helix structure of DNA was discovered by:

Rosalind Franklin and Maurice Wilkins

Two objects of different masses falling freely near the surface of the Moon would:

have the same velocity at any instant

undergo a change in their inertia

experience forces of the same magnitude

How do vector vaccines work to provide immunity?

By placing the virus's genetic material in a modified version of a different virus

By introducing a weakened or inactivated virus into the body

By directly attacking and destroying pathogens in the body

By entering directly into cells and enabling them to create spike proteins

The theory that states 'pieces of the Earth's crust are in constant, slow motion driven by movement in the mantle' is called:

the theory of continental drift

Which one of the following statements regarding Queen Elizabeth II of the United Kingdom is correct?

She reigned for 70 years and died at the age of 96.

She reigned for 68 years and died at the age of 94.

She reigned for 72 years and died at the age of 92.

She reigned for 66 years and died at the age of 90.

What was the theme of DefExpo 2022, held in Gujarat?

India: The Emerging Defence Manufacturing Hub

'Net metering' is sometimes seen in the news in the context of promoting:

a billing mechanism crediting solar energy consumers for electricity they add to the grid

the installation of CNG kits in motor cars

the installation of water meters in urban households

the use of piped natural gas in household kitchens

উত্তরসহ BPSC – Combined Competitive Examination Prelims 2023 প্রশ্নপত্র

Q1প্রশ্ন খুলুন
Which of the following technologies will be enabled by 5G mobile communication networks? 1. Internet of Things 2. Edge Computing 3. Network Slicing
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: (D) 1, 2 and 3
ব্যাখ্যা
5G enables massive IoT, low-latency edge computing and virtual network slices for different services.
- (A) ভুল
  Wrong: network slicing is also a core 5G feature.
- (B) ভুল
  Wrong: IoT at massive scale is also enabled.
- (C) ভুল
  Wrong: edge computing is also enabled.
- (D) সঠিক
  Correct: 5G's low latency and capacity support IoT, edge computing and network slicing.
Q2প্রশ্ন খুলুন
Match List-I (Space Mission) with List-II (Exploration): a. Cassini-Huygens b. Juno c. Artemis d. VERITAS 1. Jupiter 2. Saturn and its rings 3. Venus 4. Human spaceflight – Moon to Mars
1. a-1, b-3, c-2, d-4
2. a-4, b-3, c-1, d-2
3. a-2, b-1, c-4, d-3
4. a-4, b-1, c-3, d-2
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) a-2, b-1, c-4, d-3
ব্যাখ্যা
Cassini-Huygens (Saturn), Juno (Jupiter), Artemis (crewed Moon-to-Mars programme), VERITAS (Venus).
- (A) ভুল
  Wrong: Cassini-Huygens studied Saturn.
- (B) ভুল
  Wrong: most pairs are wrong.
- (C) সঠিক
  Correct: Cassini–Saturn, Juno–Jupiter, Artemis–Moon to Mars, VERITAS–Venus.
- (D) ভুল
  Wrong: Artemis is the Moon programme, not Venus.
Q3প্রশ্ন খুলুন
Match List-I (Cloth/Fibre) with List-II (Origin): a. Linen b. Coir c. Mohair d. Down 1. Coconut plant 2. Flax plant 3. Feathers of duck and geese 4. Angora goat
1. a-2, b-1, c-4, d-3
2. a-3, b-1, c-4, d-2
3. a-2, b-3, c-4, d-1
4. a-3, b-1, c-2, d-4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) a-2, b-1, c-4, d-3
ব্যাখ্যা
Linen is woven from flax; coir from coconut husk; mohair from Angora goat hair; down is soft under-feathers of ducks and geese.
- (A) সঠিক
  Correct: linen–flax, coir–coconut, mohair–Angora goat, down–duck/geese feathers.
- (B) ভুল
  Wrong: linen comes from flax, not feathers.
- (C) ভুল
  Wrong: coir comes from coconut husk.
- (D) ভুল
  Wrong: most pairs are wrong.
Q4প্রশ্ন খুলুন
Consider the following statements: 1. Taeniasis is an intestinal infection caused by three species of tapeworm – Taenia solium, Taenia saginata and Taenia asiatica. 2. When cysts develop in the brain, the condition is referred to as neurocysticercosis (NCC). Which of the above statements is/are correct?
1. Only 1
2. Only 2
3. Both 1 and 2
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Both 1 and 2
ব্যাখ্যা
Taeniasis is caused by three Taenia species; T. solium larval cysts in the brain cause neurocysticercosis, a leading cause of epilepsy.
- (A) ভুল
  Wrong: statement 2 is also correct.
- (B) ভুল
  Wrong: statement 1 is also correct.
- (C) সঠিক
  Correct: both match the WHO description of taeniasis and NCC.
- (D) ভুল
  Wrong: both statements are correct.
Q5প্রশ্ন খুলুন
Which of the following are computer languages? 1. Cobra 2. Python 3. Squirrel 4. Java
1. Only 1 and 2
2. Only 3 and 4
3. Only 1, 2 and 3
4. All of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) All of the above
ব্যাখ্যা
All four, despite animal names, are programming languages (Squirrel is a lightweight scripting language).
- (A) ভুল
  Wrong: Squirrel and Java are also programming languages.
- (B) ভুল
  Wrong: Cobra and Python are also programming languages.
- (C) ভুল
  Wrong: Java is also a programming language.
- (D) সঠিক
  Correct: Cobra, Python, Squirrel and Java are all programming languages.
Q6প্রশ্ন খুলুন
What is the full form of GPT in ChatGPT, recently seen in the news?
1. Glutamic Pyruvic Transaminase
2. GUID Partition Table
3. Grooved Pegboard Test
4. Generative Pre-trained Transformer
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Generative Pre-trained Transformer
ব্যাখ্যা
ChatGPT (OpenAI) is built on the Generative Pre-trained Transformer family of language models.
- (A) ভুল
  Wrong: this is a liver enzyme (SGPT).
- (B) ভুল
  Wrong: this is a disk-partitioning standard.
- (C) ভুল
  Wrong: a dexterity test.
- (D) সঠিক
  Correct: GPT stands for Generative Pre-trained Transformer.
Q7প্রশ্ন খুলুন
Which of the following are NOT tastes of the tongue? 1. Sweet 2. Bitter 3. Salty 4. Spicy 5. Umami 6. Sour 7. Pungent
1. 2, 5 and 7
2. 1, 3 and 4
3. 4 and 7
4. 3 and 6
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) 4 and 7
ব্যাখ্যা
The five basic tastes are sweet, sour, salty, bitter and umami; spicy/pungent is sensed by pain receptors.
- (A) ভুল
  Wrong: bitter and umami are basic tastes.
- (B) ভুল
  Wrong: sweet and salty are basic tastes.
- (C) সঠিক
  Correct: spiciness and pungency are pain/heat sensations, not tastes.
- (D) ভুল
  Wrong: salty and sour are basic tastes.
Q8প্রশ্ন খুলুন
Which of the following pairs are correctly matched? 1. Anorexia : Sleep disorder 2. Insomnia : Eating disorder 3. Dyspnoea : Shortness of breath 4. Anosmia : Partial or full loss of smell
1. Only 1 and 2
2. Only 2 and 3
3. Only 3 and 4
4. All of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Only 3 and 4
ব্যাখ্যা
Anorexia nervosa is an eating disorder and insomnia a sleep disorder, so only pairs 3 and 4 are correct.
- (A) ভুল
  Wrong: these two are swapped: anorexia is an eating disorder, insomnia a sleep disorder.
- (B) ভুল
  Wrong: pair 2 is wrong.
- (C) সঠিক
  Correct: dyspnoea is breathlessness; anosmia is loss of smell.
- (D) ভুল
  Wrong: pairs 1 and 2 are wrong.
Q9প্রশ্ন খুলুন
In the universe, what are pulsars?
1. A group of stars
2. Rotating neutron stars
3. Explosion of a star
4. Radio waves emitted by a star
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Rotating neutron stars
ব্যাখ্যা
Pulsars are neutron stars whose beams sweep past Earth like a lighthouse, producing regular pulses.
- (A) ভুল
  Wrong: that is a cluster.
- (B) সঠিক
  Correct: pulsars are rapidly spinning, highly magnetised neutron stars emitting beams.
- (C) ভুল
  Wrong: that is a supernova.
- (D) ভুল
  Wrong: pulsars emit such waves, but they are the stars themselves.
Q10প্রশ্ন খুলুন
In the context of lab-grown diamonds (LGDs), what is used as the starting carbon material ('seed')?
1. White sapphire
2. Moissanite
3. Graphite
4. Cubic zirconia (CZ)
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Graphite
ব্যাখ্যা
Lab-grown diamonds must start from carbon; in the HPHT method graphite is the carbon source (CVD uses a thin diamond seed plate with methane).
- (A) ভুল
  Wrong: aluminium oxide; contains no carbon.
- (B) ভুল
  Wrong: silicon carbide; a diamond simulant.
- (C) সঠিক
  Correct: graphite, a form of carbon, is converted to diamond under high pressure and temperature.
- (D) ভুল
  Wrong: zirconium dioxide; a diamond simulant.
Q11প্রশ্ন খুলুন
What is the fibre used to make bulletproof jackets?
1. Nylon
2. Terylene
3. Tweed
4. Kevlar
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Kevlar
ব্যাখ্যা
Kevlar (DuPont) is a para-aramid fibre about five times stronger than steel by weight.
- (A) ভুল
  Wrong: not strong enough to stop bullets.
- (B) ভুল
  Wrong: a polyester for clothing.
- (C) ভুল
  Wrong: a woollen fabric.
- (D) সঠিক
  Correct: Kevlar, an aramid fibre, has very high tensile strength.
Q12প্রশ্ন খুলুন
What is/are the full form(s) of HMX? 1. High Melting Explosive 2. High-Density Monoatomic Xenon 3. Hedge Monetizing Xeno-currency 4. Her Majesty's Explosive
1. 1 and 2
2. 2 and 3
3. Only 1
4. 1 and 4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) 1 and 4
ব্যাখ্যা
HMX is a powerful nitroamine explosive; its acronym is variously expanded as High Melting eXplosive or Her Majesty's eXplosive.
- (A) ভুল
  Wrong: 2 is not an expansion of HMX.
- (B) ভুল
  Wrong: neither is an expansion of HMX.
- (C) ভুল
  Wrong: 'Her Majesty's Explosive' is also used.
- (D) সঠিক
  Correct: HMX (octogen) is called High Melting Explosive or Her Majesty's Explosive.
Q13প্রশ্ন খুলুন
What is the name of Tesla's humanoid robot unveiled in 2022?
1. Sophia
2. Atlas
3. Pepper
4. Optimus
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Optimus
ব্যাখ্যা
Tesla showed its Optimus humanoid prototype at AI Day in 2022.
- (A) ভুল
  Wrong: Sophia is by Hanson Robotics.
- (B) ভুল
  Wrong: Atlas is by Boston Dynamics.
- (C) ভুল
  Wrong: Pepper is by SoftBank.
- (D) সঠিক
  Correct: Tesla's humanoid robot is Optimus.
Q14প্রশ্ন খুলুন
What was the 'Manhattan Project'?
1. A research and development undertaking that produced the first nuclear weapons
2. One of the largest art auctions of the world
3. A real estate project in New York City
4. A famous theme park
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) A research and development undertaking that produced the first nuclear weapons
ব্যাখ্যা
The Manhattan Project (1942–46), led by Oppenheimer at Los Alamos, produced the atomic bombs used in 1945.
- (A) সঠিক
  Correct: the WWII US-led programme that built the first atomic bombs.
- (B) ভুল
  Wrong: not related.
- (C) ভুল
  Wrong: not related.
- (D) ভুল
  Wrong: not related.
Q15প্রশ্ন খুলুন
The image formed by a concave mirror is real, inverted and of the same size as the object. The position of the object should be:
1. at the focus
2. at the centre of curvature
3. between the focus and centre of curvature
4. beyond the centre of curvature
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) at the centre of curvature
ব্যাখ্যা
For a concave mirror, an object at C (2f) forms a real, inverted, same-size image at C.
- (A) ভুল
  Wrong: image forms at infinity.
- (B) সঠিক
  Correct: object at C gives a same-size, real, inverted image at C.
- (C) ভুল
  Wrong: image is enlarged beyond C.
- (D) ভুল
  Wrong: image is diminished between F and C.
Q16প্রশ্ন খুলুন
A photoelectric cell is a device which:
1. converts light energy into electrical energy
2. converts electrical energy into light energy
3. stores light energy
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) converts light energy into electrical energy
ব্যাখ্যা
Photoelectric cells convert incident light into electric current (used in sensors, automatic doors, solar cells).
- (A) সঠিক
  Correct: it uses the photoelectric effect to produce current from light.
- (B) ভুল
  Wrong: that is a bulb/LED.
- (C) ভুল
  Wrong: it does not store energy.
- (D) ভুল
  Wrong: option A is correct.
Q17প্রশ্ন খুলুন
In chemistry, the amount of solute present per unit volume or per unit mass of the solution/solvent is known as:
1. composition of solute
2. concentration of solvent
3. concentration of solute
4. concentration of solution
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) concentration of solution
ব্যাখ্যা
NCERT defines the concentration of a solution as the amount of solute in a given amount of solution or solvent.
- (A) ভুল
  Wrong: not the standard term.
- (B) ভুল
  Wrong: it measures solute, not solvent.
- (C) ভুল
  Wrong: the standard term is the concentration of the solution.
- (D) সঠিক
  Correct: concentration of a solution = amount of solute per unit volume/mass.
Q18প্রশ্ন খুলুন
How do COVID vaccines stimulate an immune response?
1. By introducing live attenuated SARS-CoV-2 virus
2. By introducing real SARS-CoV-2 virus
3. By introducing a harmless piece of SARS-CoV-2 virus
4. By introducing antibodies against SARS-CoV-2 virus
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) By introducing a harmless piece of SARS-CoV-2 virus
ব্যাখ্যা
Vaccines (mRNA, vector, protein, inactivated) expose the body to harmless viral parts so it makes its own antibodies.
- (A) ভুল
  Wrong: most approved COVID vaccines are not live-attenuated.
- (B) ভুল
  Wrong: unsafe; not how vaccines work.
- (C) সঠিক
  Correct: they present a harmless antigen (e.g. spike protein or its code) to train immunity.
- (D) ভুল
  Wrong: that is passive immunisation, not vaccination.
Q19প্রশ্ন খুলুন
Which of the following liquids is a bad conductor of electricity?
1. Salted water
2. Orange juice
3. Lemon juice
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) None of the above
ব্যাখ্যা
Solutions of salts and acids are electrolytes and conduct electricity; none of the listed liquids is a bad conductor.
- (A) ভুল
  Wrong: dissolved ions make it a good conductor.
- (B) ভুল
  Wrong: its acids/ions let it conduct.
- (C) ভুল
  Wrong: citric acid makes it conduct.
- (D) সঠিক
  Correct: all three contain ions and conduct electricity.
Q20প্রশ্ন খুলুন
The double-helix structure of DNA was discovered by:
1. James Watson and Francis Crick
2. Rosalind Franklin and Maurice Wilkins
3. Linus Pauling
4. Gregor Mendel
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) James Watson and Francis Crick
ব্যাখ্যা
Watson and Crick published the DNA double-helix model in Nature in 1953, using Franklin's X-ray images.
- (A) সঠিক
  Correct: they proposed the double-helix model in 1953.
- (B) ভুল
  Wrong: their X-ray data were key, but the model was Watson and Crick's.
- (C) ভুল
  Wrong: he proposed an incorrect triple helix.
- (D) ভুল
  Wrong: father of genetics; did not study DNA.
Q21প্রশ্ন খুলুন
Two objects of different masses falling freely near the surface of the Moon would:
1. have different accelerations
2. undergo a change in their inertia
3. have the same velocity at any instant
4. experience forces of the same magnitude
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) have the same velocity at any instant
ব্যাখ্যা
On the airless Moon all bodies fall with the same acceleration (~1.62 m/s²), so released together they have equal velocities.
- (A) ভুল
  Wrong: free-fall acceleration is independent of mass.
- (B) ভুল
  Wrong: inertia depends on mass, which does not change.
- (C) সঠিক
  Correct: with no air and equal acceleration, their velocities stay equal.
- (D) ভুল
  Wrong: force (weight) is proportional to mass, so differs.
Q22প্রশ্ন খুলুন
How do vector vaccines work to provide immunity?
1. By introducing a weakened or inactivated virus into the body
2. By directly attacking and destroying pathogens in the body
3. By placing the virus's genetic material in a modified version of a different virus
4. By entering directly into cells and enabling them to create spike proteins
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) By placing the virus's genetic material in a modified version of a different virus
ব্যাখ্যা
Viral-vector vaccines (e.g. Covishield) use a modified adenovirus to deliver the spike-protein gene.
- (A) ভুল
  Wrong: that describes attenuated/inactivated vaccines.
- (B) ভুল
  Wrong: vaccines do not attack pathogens directly.
- (C) সঠিক
  Correct: a harmless 'vector' virus carries the target gene into cells.
- (D) ভুল
  Wrong: that describes mRNA vaccines.
Q23প্রশ্ন খুলুন
The process that continually adds new crust is:
1. subduction
2. earthquake
3. seafloor spreading
4. convection
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) seafloor spreading
ব্যাখ্যা
At divergent mid-ocean ridges, seafloor spreading continuously creates new crust (Harry Hess).
- (A) ভুল
  Wrong: subduction destroys crust.
- (B) ভুল
  Wrong: earthquakes do not create crust.
- (C) সঠিক
  Correct: magma rising at mid-ocean ridges forms new oceanic crust.
- (D) ভুল
  Wrong: convection drives plates but does not itself add crust.
Q24প্রশ্ন খুলুন
The theory that states 'pieces of the Earth's crust are in constant, slow motion driven by movement in the mantle' is called:
1. the theory of continental drift
2. the theory of Pangaea
3. the theory of plate tectonics
4. the theory of plate boundaries
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) the theory of plate tectonics
ব্যাখ্যা
Plate tectonics (1960s) describes rigid plates moving over the asthenosphere, driven by mantle convection.
- (A) ভুল
  Wrong: Wegener's theory lacked a mantle-driven mechanism.
- (B) ভুল
  Wrong: Pangaea is a supercontinent, not a theory of motion.
- (C) সঠিক
  Correct: plate tectonics explains lithospheric plates moving over the mantle.
- (D) ভুল
  Wrong: not a recognised theory.
Q25প্রশ্ন খুলুন
What is the expanded form of 'mRNA', widely discussed since the beginning of the pandemic?
1. Messenger Ribonucleic Acid
2. Mutant Ribonucleic Acid
3. Modified Ribonucleic Acid
4. Mnemonic Ribonucleic Acid
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Messenger Ribonucleic Acid
ব্যাখ্যা
mRNA vaccines (Pfizer, Moderna) deliver messenger RNA that tells cells to make the spike protein.
- (A) সঠিক
  Correct: mRNA carries genetic instructions from DNA to ribosomes.
- (B) ভুল
  Wrong: incorrect.
- (C) ভুল
  Wrong: incorrect.
- (D) ভুল
  Wrong: incorrect.
Q26প্রশ্ন খুলুন
An AC current can be produced by:
1. choke coil
2. dynamo
3. transformer
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) dynamo
ব্যাখ্যা
A rotating coil in a magnetic field (dynamo/generator) induces alternating current.
- (A) ভুল
  Wrong: a choke limits AC; it does not generate it.
- (B) সঠিক
  Correct: an AC dynamo (generator) produces alternating current by electromagnetic induction.
- (C) ভুল
  Wrong: a transformer only changes AC voltage.
- (D) ভুল
  Wrong: a dynamo produces AC.
Q27প্রশ্ন খুলুন
Current density is:
1. a scalar quantity
2. a vector quantity
3. dimensionless
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) a vector quantity
ব্যাখ্যা
Current density J = I/A points in the direction of positive charge flow, so it is a vector.
- (A) ভুল
  Wrong: current is scalar, but current density has direction.
- (B) সঠিক
  Correct: current density J has magnitude and direction (A/m²).
- (C) ভুল
  Wrong: it has units of A/m².
- (D) ভুল
  Wrong: it is a vector.
Q28প্রশ্ন খুলুন
What is the basis of the most useful classification of medicines for medicinal chemists?
1. Pharmacological effect
2. Molecular targets
3. Chemical structure
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Molecular targets
ব্যাখ্যা
Drugs that act on the same biomolecular target (enzyme, receptor) often share structure, making this basis most useful.
- (A) ভুল
  Wrong: useful to doctors, but not the most useful for chemists.
- (B) সঠিক
  Correct: NCERT notes classification by molecular targets is most useful to medicinal chemists.
- (C) ভুল
  Wrong: similar structures can have different actions.
- (D) ভুল
  Wrong: molecular targets is correct.
Q29প্রশ্ন খুলুন
Which of the following slows down the rate of a reaction?
1. Catalytic promoter
2. Homogeneous catalyst
3. Heterogeneous catalyst
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) None of the above
ব্যাখ্যা
Reactions are slowed by inhibitors (negative catalysts or poisons), not by promoters or ordinary catalysts.
- (A) ভুল
  Wrong: promoters increase catalyst activity.
- (B) ভুল
  Wrong: catalysts generally speed up reactions.
- (C) ভুল
  Wrong: catalysts generally speed up reactions.
- (D) সঠিক
  Correct: only inhibitors/negative catalysts slow reactions, and none is listed.
Q30প্রশ্ন খুলুন
Input (sensory) and output (motor) nerves meet at the:
1. liver
2. central nervous system
3. heart
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) central nervous system
ব্যাখ্যা
Sensory neurons carry signals to the CNS; motor neurons carry responses from it (e.g. reflex arc via spinal cord).
- (A) ভুল
  Wrong: not a nervous organ.
- (B) সঠিক
  Correct: the brain and spinal cord integrate sensory input and motor output.
- (C) ভুল
  Wrong: not a nervous organ.
- (D) ভুল
  Wrong: the CNS is correct.
Q31প্রশ্ন খুলুন
In the context of 'shipwreck tourism', shipwrecks in Indian waters have been explored at Sunchi Reef, Amee Shoals and Grande Island. Where are these locations?
1. Off the coast of Goa
2. Off the coast of Lakshadweep
3. Off the coast of Tamil Nadu
4. Off the coast of Odisha
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Off the coast of Goa
ব্যাখ্যা
Goa's Grande Island, Sunchi Reef and Amee Shoals are known wreck-diving sites.
- (A) সঠিক
  Correct: these wreck sites lie off Goa (near Mormugao/Vasco).
- (B) ভুল
  Wrong: not these sites.
- (C) ভুল
  Wrong: not these sites.
- (D) ভুল
  Wrong: not these sites.
Q32প্রশ্ন খুলুন
The G20 members represent: 1. around 85% of global GDP 2. about 50% of global trade 3. about two-thirds of the world population Which of the above statistics is/are correct?
1. Only 1
2. Only 1 and 3
3. 1, 2 and 3
4. Only 1 and 2
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Only 1 and 3
ব্যাখ্যা
G20: about 85% of world GDP, over 75% of trade and about two-thirds of the population.
- (A) ভুল
  Wrong: statement 3 is also correct.
- (B) সঠিক
  Correct: G20 has ~85% of GDP and ~two-thirds of population; trade share is ~75%, not 50%.
- (C) ভুল
  Wrong: statement 2 understates trade (~75%).
- (D) ভুল
  Wrong: statement 2 is wrong.
Q33প্রশ্ন খুলুন
Who was the head of Russia's Wagner mercenary group?
1. Sergei Shoigu
2. Yevgeny Prigozhin
3. Aleksandr Lukashenko
4. Volodymyr Zelenskyy
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Yevgeny Prigozhin
ব্যাখ্যা
Yevgeny Prigozhin headed the Wagner Group; he died in a plane crash in August 2023.
- (A) ভুল
  Wrong: he was Russia's Defence Minister.
- (B) সঠিক
  Correct: Prigozhin led Wagner and staged a mutiny in June 2023.
- (C) ভুল
  Wrong: President of Belarus.
- (D) ভুল
  Wrong: President of Ukraine.
Q34প্রশ্ন খুলুন
The Global Gender Gap Report is released by:
1. the World Bank
2. UN Women
3. the World Economic Forum
4. the UNDP
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) the World Economic Forum
ব্যাখ্যা
The World Economic Forum's Global Gender Gap Report ranks countries on economic, education, health and political parity.
- (A) ভুল
  Wrong: not the publisher.
- (B) ভুল
  Wrong: not the publisher.
- (C) সঠিক
  Correct: the WEF publishes it annually since 2006.
- (D) ভুল
  Wrong: UNDP publishes the Gender Inequality Index, not this report.
Q35প্রশ্ন খুলুন
Which one of the following statements regarding Queen Elizabeth II of the United Kingdom is correct?
1. She reigned for 70 years and died at the age of 96.
2. She reigned for 68 years and died at the age of 94.
3. She reigned for 72 years and died at the age of 92.
4. She reigned for 66 years and died at the age of 90.
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) She reigned for 70 years and died at the age of 96.
ব্যাখ্যা
Elizabeth II, Britain's longest-reigning monarch, ruled for 70 years and died on 8 September 2022 aged 96.
- (A) সঠিক
  Correct: she reigned 1952–2022 and died aged 96.
- (B) ভুল
  Wrong: both figures are wrong.
- (C) ভুল
  Wrong: both figures are wrong.
- (D) ভুল
  Wrong: both figures are wrong.
Q36প্রশ্ন খুলুন
What was the theme of DefExpo 2022, held in Gujarat?
1. India: The Emerging Defence Manufacturing Hub
2. Path to Pride
3. Synergy for Defence
4. Aatmanirbharta
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Path to Pride
ব্যাখ্যা
DefExpo 2022 at Gandhinagar (October 2022) was themed 'Path to Pride' and showcased Indian firms only.
- (A) ভুল
  Wrong: this was the DefExpo 2020 theme.
- (B) সঠিক
  Correct: DefExpo 2022 (Gandhinagar) had the theme 'Path to Pride'.
- (C) ভুল
  Wrong: not the theme.
- (D) ভুল
  Wrong: not the official theme.
Q37প্রশ্ন খুলুন
The three-day Thadingyut festival is celebrated in which country?
1. Chile
2. Nepal
3. Germany
4. Myanmar
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Myanmar
ব্যাখ্যা
Thadingyut marks the end of the Buddhist Lent (Vassa) in Myanmar with lamps and lights.
- (A) ভুল
  Wrong: not celebrated there.
- (B) ভুল
  Wrong: not a Nepali festival.
- (C) ভুল
  Wrong: not celebrated there.
- (D) সঠিক
  Correct: Thadingyut is Myanmar's Festival of Lights, ending Buddhist Lent.
Q38প্রশ্ন খুলুন
Consider the following statements regarding the White House: 1. Its address is 1800 Pennsylvania Avenue. 2. It is the official residence and workplace of the President of the USA. 3. On 1 November 1800, John Adams became the first President to take residence in the building. 4. It is a symbol of American democracy. Which of the above statements are correct?
1. 1, 3 and 4
2. Only 2 and 3
3. Only 3 and 4
4. 2, 3 and 4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) 2, 3 and 4
ব্যাখ্যা
The White House is at 1600 Pennsylvania Avenue NW, Washington D.C.; John Adams first moved in on 1 Nov 1800.
- (A) ভুল
  Wrong: the address is 1600, not 1800.
- (B) ভুল
  Wrong: statement 4 is also correct.
- (C) ভুল
  Wrong: statement 2 is also correct.
- (D) সঠিক
  Correct: only the address (1600 Pennsylvania Ave) is wrong.
Q39প্রশ্ন খুলুন
'Net metering' is sometimes seen in the news in the context of promoting:
1. the installation of CNG kits in motor cars
2. the installation of water meters in urban households
3. a billing mechanism crediting solar energy consumers for electricity they add to the grid
4. the use of piped natural gas in household kitchens
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) a billing mechanism crediting solar energy consumers for electricity they add to the grid
ব্যাখ্যা
Under net metering, consumers pay only for net consumption (imports minus solar exports).
- (A) ভুল
  Wrong: not related.
- (B) ভুল
  Wrong: not related.
- (C) সঠিক
  Correct: net metering credits rooftop-solar users for power exported to the grid.
- (D) ভুল
  Wrong: not related.
Q40প্রশ্ন খুলুন
Match List-I (Colour) with List-II (Combination): a. Magenta b. Teal c. Mauve d. Cyan 1. Green and blue 2. Red and blue 3. Blue, green and white 4. Blue, red and white
1. a-2, b-3, c-4, d-1
2. a-2, b-4, c-3, d-1
3. a-4, b-2, c-1, d-3
4. a-3, b-4, c-2, d-1
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) a-2, b-3, c-4, d-1
ব্যাখ্যা
In additive mixing red + blue = magenta and green + blue = cyan; teal and mauve are tinted versions.
- (A) সঠিক
  Correct: magenta = red + blue; teal = blue-green with white; mauve = pale red-blue; cyan = green + blue.
- (B) ভুল
  Wrong: teal and mauve are swapped.
- (C) ভুল
  Wrong: most pairs are wrong.
- (D) ভুল
  Wrong: magenta is red + blue.
Q41প্রশ্ন খুলুন
What is the name of the deep-sea submersible that imploded during a voyage to the Titanic wreck?
1. Alvin
2. Falcon
3. Trident
4. Titan
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Titan
ব্যাখ্যা
OceanGate's Titan submersible imploded near the Titanic wreck in the North Atlantic in June 2023.
- (A) ভুল
  Wrong: Alvin is a US research submersible still in service.
- (B) ভুল
  Wrong: not the vessel.
- (C) ভুল
  Wrong: not the vessel.
- (D) সঠিক
  Correct: OceanGate's Titan imploded in June 2023, killing all five aboard.
Q42প্রশ্ন খুলুন
Match List-I (Footwear/Fashion Accessory) with List-II (Description): a. Beret b. Stilettos c. Aviators d. Chignon e. Brogue 1. A type of men's footwear 2. A type of sunglasses 3. A type of hat 4. A type of women's footwear 5. A type of hairstyle
1. a-3, b-1, c-4, d-5, e-2
2. a-3, b-4, c-2, d-5, e-1
3. a-5, b-3, c-2, d-4, e-1
4. a-1, b-2, c-3, d-4, e-5
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) a-3, b-4, c-2, d-5, e-1
ব্যাখ্যা
Beret (hat), stilettos (high-heeled women's shoes), aviators (sunglasses), chignon (bun hairstyle), brogue (men's shoe).
- (A) ভুল
  Wrong: stilettos are women's footwear.
- (B) সঠিক
  Correct: beret–hat, stilettos–women's footwear, aviators–sunglasses, chignon–hairstyle, brogue–men's footwear.
- (C) ভুল
  Wrong: beret is a hat.
- (D) ভুল
  Wrong: most pairs are wrong.
Q43প্রশ্ন খুলুন
Where did former US President Barack Obama give his much-discussed interview (to CNN, June 2023)?
1. Rome
2. Sarajevo
3. Athens
4. Amsterdam
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Athens
ব্যাখ্যা
The June 2023 Obama–Amanpour interview, in which he commented on minority rights in India, was recorded in Athens.
- (A) ভুল
  Wrong: not the venue.
- (B) ভুল
  Wrong: not the venue.
- (C) সঠিক
  Correct: Obama spoke to Christiane Amanpour in Athens, Greece.
- (D) ভুল
  Wrong: not the venue.
Q44প্রশ্ন খুলুন
In the context of sports, which of the following pairs are correctly matched? 1. Flushing Meadows : French Open 2. Venus Rosewater Dish : Wimbledon Trophy (Women) 3. Roland Garros : US Open 4. Australian Open (Women) : Daphne Akhurst Memorial Cup
1. 1 and 2
2. 2 and 3
3. 3 and 4
4. 2 and 4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) 2 and 4
ব্যাখ্যা
Pairs 1 and 3 are swapped: Flushing Meadows = US Open; Roland Garros = French Open.
- (A) ভুল
  Wrong: Flushing Meadows hosts the US Open.
- (B) ভুল
  Wrong: Roland Garros hosts the French Open.
- (C) ভুল
  Wrong: pair 3 is wrong.
- (D) সঠিক
  Correct: Venus Rosewater Dish (Wimbledon women) and Daphne Akhurst Cup (Australian Open women) are correct.
Q45প্রশ্ন খুলুন
The Ministry of Home Affairs completed the Mother Tongue Survey of India (MTSI) in November 2022 with field videography of how many of the country's languages?
1. 40
2. 233
3. 576
4. 984
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) 576
ব্যাখ্যা
The MHA's annual report noted MTSI had video-recorded 576 mother tongues for preservation.
- (A) ভুল
  Wrong: too few.
- (B) ভুল
  Wrong: not the figure.
- (C) সঠিক
  Correct: MTSI completed videography of 576 languages/mother tongues.
- (D) ভুল
  Wrong: too many.
Q46প্রশ্ন খুলুন
Which state government set up a State-Level Committee for Vulture Conservation, as proposed by the national action plan for vultures?
1. Tamil Nadu
2. Sikkim
3. Assam
4. Meghalaya
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Tamil Nadu
ব্যাখ্যা
Tamil Nadu constituted the committee in 2022 under the Vulture Action Plan 2020–25.
- (A) সঠিক
  Correct: Tamil Nadu formed a state-level vulture conservation committee in 2022.
- (B) ভুল
  Wrong: not the state in the news.
- (C) ভুল
  Wrong: not the state in the news.
- (D) ভুল
  Wrong: not the state in the news.
Q47প্রশ্ন খুলুন
Ten captive-bred Asian Giant Tortoises (Manouria emys) were recently released into which National Park?
1. Ntangki National Park
2. Periyar National Park
3. Pench National Park
4. Khangchendzonga National Park
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Ntangki National Park
ব্যাখ্যা
Asian giant tortoises bred at Nagaland Zoological Park were rewilded in Ntangki National Park.
- (A) সঠিক
  Correct: they were released in Ntangki, Nagaland.
- (B) ভুল
  Wrong: not this release.
- (C) ভুল
  Wrong: not this release.
- (D) ভুল
  Wrong: not this release.
Q48প্রশ্ন খুলুন
Which country recently reaffirmed Arunachal Pradesh as an integral part of India?
1. USA
2. Australia
3. Germany
4. Russia
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) USA
ব্যাখ্যা
In 2023 a bipartisan US Senate resolution recognised the McMahon Line and Arunachal Pradesh as Indian territory.
- (A) সঠিক
  Correct: a US Senate resolution (2023) recognised Arunachal as part of India.
- (B) ভুল
  Wrong: not the country in the news.
- (C) ভুল
  Wrong: not the country in the news.
- (D) ভুল
  Wrong: not the country in the news.
Q49প্রশ্ন খুলুন
India's Rudrankksh Balasaheb Patil won which medal in the men's 10 m air rifle at the ISSF World Championship in Cairo?
1. Gold
2. Silver
3. Bronze
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Gold
ব্যাখ্যা
Rudrankksh Patil became world champion in men's 10 m air rifle at Cairo (October 2022).
- (A) সঠিক
  Correct: he won gold (2022) and a Paris 2024 quota.
- (B) ভুল
  Wrong: he won gold.
- (C) ভুল
  Wrong: he won gold.
- (D) ভুল
  Wrong: he won gold.
Q50প্রশ্ন খুলুন
The National Education Policy, 2020 emphasises integrating vocational education into mainstream education from which grade onwards?
1. Grade 6
2. Grade 8
3. Grade 10
4. Grade 12
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Grade 6
ব্যাখ্যা
NEP 2020 proposes vocational exposure from Grade 6, including a 10-day bagless internship period.
- (A) সঠিক
  Correct: NEP introduces vocational education from Grade 6 with internships.
- (B) ভুল
  Wrong: it starts earlier.
- (C) ভুল
  Wrong: it starts earlier.
- (D) ভুল
  Wrong: it starts earlier.
Q51প্রশ্ন খুলুন
India signed the Economic Cooperation and Trade Agreement (ECTA) with which country?
1. UAE
2. Australia
3. USA
4. UK
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Australia
ব্যাখ্যা
The India–Australia ECTA came into force on 29 December 2022.
- (A) ভুল
  Wrong: India signed a CEPA, not an ECTA, with the UAE.
- (B) সঠিক
  Correct: the India–Australia ECTA was signed in April 2022.
- (C) ভুল
  Wrong: no ECTA with the USA.
- (D) ভুল
  Wrong: the India–UK deal is a CETA/FTA, not ECTA.
Q52প্রশ্ন খুলুন
The Plain Language Act, requiring officials to use simple, easily understood English in official documents and websites, was recently passed by which country?
1. Australia
2. Ireland
3. New Zealand
4. Germany
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) New Zealand
ব্যাখ্যা
New Zealand's Plain Language Act 2022 requires public agencies to communicate clearly.
- (A) ভুল
  Wrong: not this Act.
- (B) ভুল
  Wrong: not this Act.
- (C) সঠিক
  Correct: New Zealand passed the Plain Language Act in October 2022.
- (D) ভুল
  Wrong: not an English-language law.
Q53প্রশ্ন খুলুন
Fossils of Tillyardembiids, among the world's earliest plant pollinators, were recently discovered in which country?
1. Greece
2. India
3. Russia
4. China
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Russia
ব্যাখ্যা
Permian insects called Tillyardembiids, found in Russia's Urals, carried pollen on their bodies.
- (A) ভুল
  Wrong: not the discovery site.
- (B) ভুল
  Wrong: not the discovery site.
- (C) সঠিক
  Correct: the 280-million-year-old fossils were found in the Ural region of Russia.
- (D) ভুল
  Wrong: not the discovery site.
Q54প্রশ্ন খুলুন
The 'Lisbon Declaration', which made headlines, is associated with the conservation of which entity?
1. Air
2. Mountains
3. Oceans
4. Freshwater glaciers
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Oceans
ব্যাখ্যা
The 2022 UN Ocean Conference in Lisbon adopted the declaration 'Our Ocean, Our Future, Our Responsibility'.
- (A) ভুল
  Wrong: not related.
- (B) ভুল
  Wrong: not related.
- (C) সঠিক
  Correct: adopted at the UN Ocean Conference, Lisbon (2022).
- (D) ভুল
  Wrong: not related.
Q55প্রশ্ন খুলুন
Which of the following animals was not known to the people of the Indus Valley Civilisation?
1. Bull
2. Horse
3. Elephant
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Horse
ব্যাখ্যা
The horse is largely absent from Harappan evidence (Surkotada remains are debated), unlike bulls, elephants and rhinos.
- (A) ভুল
  Wrong: the humped bull is common on seals.
- (B) সঠিক
  Correct: there is no clear evidence of the horse in Harappan culture.
- (C) ভুল
  Wrong: elephants appear on seals.
- (D) ভুল
  Wrong: the horse was not known.
Q56প্রশ্ন খুলুন
Which of the following is not a UNESCO World Heritage Site?
1. Qutb Minar
2. Red Fort
3. India Gate
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) India Gate
ব্যাখ্যা
Delhi's World Heritage Sites are Qutb Minar complex, Humayun's Tomb and Red Fort complex.
- (A) ভুল
  Wrong: a World Heritage Site (1993).
- (B) ভুল
  Wrong: a World Heritage Site (2007).
- (C) সঠিক
  Correct: India Gate is not on the UNESCO list.
- (D) ভুল
  Wrong: India Gate is not a WHS.
Q57প্রশ্ন খুলুন
The concept of Directive Principles of State Policy in the Indian Constitution was borrowed from the Constitution of:
1. England
2. Switzerland
3. Ireland
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Ireland
ব্যাখ্যা
Ireland also inspired the nomination of Rajya Sabha members and the method of electing the President.
- (A) ভুল
  Wrong: the UK gave parliamentary government.
- (B) ভুল
  Wrong: not the source.
- (C) সঠিক
  Correct: DPSPs are modelled on the Irish Constitution (1937).
- (D) ভুল
  Wrong: Ireland is correct.
Q58প্রশ্ন খুলুন
Sikkim became a full-fledged State of the Indian Union in:
1. 1974
2. 1975
3. 1976
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) 1975
ব্যাখ্যা
After a 1975 referendum, the 36th Amendment admitted Sikkim as a full state.
- (A) ভুল
  Wrong: it became an associate state in 1974.
- (B) সঠিক
  Correct: the 36th Amendment made Sikkim the 22nd state on 16 May 1975.
- (C) ভুল
  Wrong: too late.
- (D) ভুল
  Wrong: 1975 is correct.
Q59প্রশ্ন খুলুন
Which of the following currencies is the costliest (highest value)?
1. Euro
2. Pound Sterling
3. US Dollar
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Pound Sterling
ব্যাখ্যা
Among the options, the British pound has the highest exchange value (globally, the Kuwaiti dinar is the costliest).
- (A) ভুল
  Wrong: worth less than the pound.
- (B) সঠিক
  Correct: among these, the pound has the highest value per unit.
- (C) ভুল
  Wrong: worth less than the pound and euro.
- (D) ভুল
  Wrong: the pound is the costliest of the options.
Q60প্রশ্ন খুলুন
The Bihar Government planned to make the state 'pollution-free' by reducing carbon emissions by which year?
1. 2022
2. 2024
3. 2030
4. 2047
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) 2047
ব্যাখ্যা
Bihar's climate-resilient, low-carbon strategy (prepared with UNEP in 2023) sets a long-term horizon for zero emissions; of the options given, 2047 is the matching year. (The state's net-zero target is also cited as 2070.)
- (A) ভুল
  Wrong: already past at the time.
- (B) ভুল
  Wrong: too near-term.
- (C) ভুল
  Wrong: not the stated target year.
- (D) সঠিক
  Correct: the long-term horizon cited for the goal among these options.
Q61প্রশ্ন খুলুন
In Indian art, the construction of 'Stupa', 'Chaitya' and 'Vihara' is related to:
1. Ajivika sect
2. Vaishnava sect
3. Buddhism
4. Shaiva sect
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Buddhism
ব্যাখ্যা
Buddhist architecture: stupa (relic mound), chaitya (prayer hall), vihara (monks' residence).
- (A) ভুল
  Wrong: Ajivikas used rock-cut caves (Barabar) but not this trio.
- (B) ভুল
  Wrong: Vaishnavas built temples.
- (C) সঠিক
  Correct: stupas (relics), chaityas (prayer halls) and viharas (monasteries) are Buddhist.
- (D) ভুল
  Wrong: Shaivas built temples.
Q62প্রশ্ন খুলুন
In the context of Indian handicrafts, what is 'Sujini' of Bihar?
1. A type of glassware
2. A metal craft
3. A type of embroidery
4. A type of clay pottery
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) A type of embroidery
ব্যাখ্যা
Sujini embroidery (Bhusura, Muzaffarpur) is made by women on layered cloth and holds a GI tag.
- (A) ভুল
  Wrong: not glassware.
- (B) ভুল
  Wrong: not metal craft.
- (C) সঠিক
  Correct: Sujini is GI-tagged running-stitch embroidery from Muzaffarpur.
- (D) ভুল
  Wrong: not pottery.
Q63প্রশ্ন খুলুন
Consider the following statements regarding Vikramshila University in Bihar: 1. It was located in present-day Banka district. 2. It was established by King Gopala I of the Pala dynasty. 3. The Vajrayana sect of Buddhism flourished here. 4. Subjects like law, astronomy, logic, grammar and philosophy were also taught here. Which of the above statements are incorrect?
1. 2 and 3
2. 1 and 4
3. 1 and 2
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) 1 and 2
ব্যাখ্যা
Vikramshila (Antichak, Bhagalpur) was founded by Pala king Dharmapala (c. 8th–9th century) and was a centre of Vajrayana.
- (A) ভুল
  Wrong: statement 3 is correct.
- (B) ভুল
  Wrong: statement 4 is correct.
- (C) সঠিক
  Correct: it was in Bhagalpur district and founded by Dharmapala, not Gopala.
- (D) ভুল
  Wrong: 1 and 2 are incorrect.
Q64প্রশ্ন খুলুন
Consider the following statements. The arrival of Babur in India led to the: 1. introduction of gunpowder in the subcontinent 2. introduction of arch and dome in the region's architecture 3. establishment of the Timurid (Mughal) dynasty in the region 4. introduction of cannons in warfare Which of the above statements are correct?
1. Only 1 and 2
2. 1, 2 and 3
3. 3 and 4
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) 3 and 4
ব্যাখ্যা
True arches and domes predate Babur (Sultanate era); his lasting impacts were the Mughal dynasty and effective use of cannon.
- (A) ভুল
  Wrong: arch and dome came with the Delhi Sultanate; gunpowder was known earlier.
- (B) ভুল
  Wrong: statement 2 is wrong.
- (C) সঠিক
  Correct: Babur founded the Mughal (Timurid) dynasty and used field artillery at Panipat (1526).
- (D) ভুল
  Wrong: 3 and 4 are correct.
Q65প্রশ্ন খুলুন
Which port was called 'Bab-ul-Makka' (Gate of Mecca) during the Mughal period?
1. Calicut
2. Surat
3. Cambay
4. Broach
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Surat
ব্যাখ্যা
Pilgrim ships to Mecca sailed from Surat, giving it the name Bab-ul-Makka.
- (A) ভুল
  Wrong: not called so.
- (B) সঠিক
  Correct: Surat was the main port for Haj pilgrims.
- (C) ভুল
  Wrong: not called so.
- (D) ভুল
  Wrong: not called so.
Q66প্রশ্ন খুলুন
'Ashta Pradhan' was a Council of Ministers in the:
1. Gupta administration
2. Chola administration
3. Maratha administration
4. Vijayanagara administration
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Maratha administration
ব্যাখ্যা
Shivaji's Ashta Pradhan included the Peshwa, Amatya, Sachiva, Sumant and others.
- (A) ভুল
  Wrong: not Gupta.
- (B) ভুল
  Wrong: not Chola.
- (C) সঠিক
  Correct: Shivaji's council of eight ministers.
- (D) ভুল
  Wrong: not Vijayanagara.
Q67প্রশ্ন খুলুন
The painting of 'Bodhisattva Padmapani' is located at:
1. Bagh
2. Ellora
3. Ajanta
4. Badami
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Ajanta
ব্যাখ্যা
The Bodhisattva Padmapani in Ajanta Cave 1 is among the finest examples of ancient Indian painting.
- (A) ভুল
  Wrong: not this painting.
- (B) ভুল
  Wrong: known for sculpture, not this painting.
- (C) সঠিক
  Correct: the Padmapani painting is in Ajanta Cave 1.
- (D) ভুল
  Wrong: not this painting.
Q68প্রশ্ন খুলুন
Consider the following statements: 1. Fa-Hien was a Chinese pilgrim who visited India during the reign of Harsha. 2. Hiuen Tsang was a Chinese Buddhist monk who visited India during the reign of Chandragupta II. Which of the above statements is/are correct?
1. Only 1
2. Only 2
3. Both 1 and 2
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) None of the above
ব্যাখ্যা
Fa-Hien visited c. 399–412 CE (Chandragupta II); Hiuen Tsang visited c. 630–645 CE (Harsha).
- (A) ভুল
  Wrong: Fa-Hien came under Chandragupta II.
- (B) ভুল
  Wrong: Hiuen Tsang came under Harsha.
- (C) ভুল
  Wrong: the rulers are swapped.
- (D) সঠিক
  Correct: both statements swap the rulers: Fa-Hien–Chandragupta II, Hiuen Tsang–Harsha.
Q69প্রশ্ন খুলুন
Match List-I with List-II: a. Charaka b. Brahmagupta c. Varahamihira d. Vishakhadatta 1. Mathematics 2. Medicine 3. Playwright 4. Astrology
1. a-2, b-1, c-4, d-3
2. a-1, b-2, c-3, d-4
3. a-3, b-2, c-4, d-1
4. a-1, b-4, c-3, d-2
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) a-2, b-1, c-4, d-3
ব্যাখ্যা
Charaka Samhita (medicine), Brahmasphutasiddhanta (maths), Brihat Samhita (astrology), Mudrarakshasa (Vishakhadatta's play).
- (A) সঠিক
  Correct: Charaka–medicine, Brahmagupta–mathematics, Varahamihira–astrology, Vishakhadatta–playwright.
- (B) ভুল
  Wrong: Charaka was a physician.
- (C) ভুল
  Wrong: most pairs are wrong.
- (D) ভুল
  Wrong: most pairs are wrong.
Q70প্রশ্ন খুলুন
Who among the following introduced the Persian festival of Nowruz in India?
1. Firuz Shah Tughlaq
2. Alauddin Khilji
3. Balban
4. Iltutmish
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Balban
ব্যাখ্যা
Balban adopted Persian court etiquette (sijda, paibos) and celebrated Nowruz to enhance royal prestige.
- (A) ভুল
  Wrong: not credited with this.
- (B) ভুল
  Wrong: not credited with this.
- (C) সঠিক
  Correct: Balban introduced Persian court customs, including Nowruz.
- (D) ভুল
  Wrong: not credited with this.
Q71প্রশ্ন খুলুন
Nathpanthis, Siddhas and Yogis made devotional religion popular in:
1. Northern India
2. Southern India
3. Eastern India
4. Western India
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Northern India
ব্যাখ্যা
NCERT notes that Nathpanthis, Siddhas and Yogis criticised ritual and caste and were popular in northern India.
- (A) সঠিক
  Correct: these traditions spread mainly across northern India.
- (B) ভুল
  Wrong: the south had the Alvars and Nayanars.
- (C) ভুল
  Wrong: not their main area.
- (D) ভুল
  Wrong: not their main area.
Q72প্রশ্ন খুলুন
Consider the following statements regarding Wood's Despatch of 1854: 1. It recommended English as the medium of instruction for higher studies. 2. It laid stress on female education and vocational training. Which of the above statements is/are correct?
1. Only 1
2. Only 2
3. Both 1 and 2
4. Neither 1 nor 2
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Both 1 and 2
ব্যাখ্যা
Wood's Despatch ('Magna Carta of English education') also proposed universities in Calcutta, Bombay and Madras.
- (A) ভুল
  Wrong: statement 2 is also correct.
- (B) ভুল
  Wrong: statement 1 is also correct.
- (C) সঠিক
  Correct: the Despatch backed English for higher education and promoted women's and vocational education.
- (D) ভুল
  Wrong: both are correct.
Q73প্রশ্ন খুলুন
The Maithili language started to develop during the reign of which of the following?
1. Chero dynasty
2. Oiniwar dynasty
3. Karnat dynasty
4. Pithipatis
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Karnat dynasty
ব্যাখ্যা
The Karnat dynasty of Mithila (Simraun) patronised early Maithili; Jyotirishwar Thakur's Varnaratnakara (14th century) dates from Harisimhadeva's reign.
- (A) ভুল
  Wrong: not associated with Maithili's growth.
- (B) ভুল
  Wrong: Maithili flourished further under them (Vidyapati), but its development began earlier.
- (C) সঠিক
  Correct: under the Karnats, Jyotirishwar wrote Varnaratnakara, the earliest Maithili prose.
- (D) ভুল
  Wrong: Buddhist chiefs of Bodh Gaya; not linked to Maithili.
Q74প্রশ্ন খুলুন
Which city served as the capital of the ancient kingdom of Magadha in the early period?
1. Rajagriha
2. Champa
3. Vaishali
4. Pataliputra
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Rajagriha
ব্যাখ্যা
Magadha's first capital was Rajagriha; Udayin later shifted it to Pataliputra.
- (A) সঠিক
  Correct: Rajagriha (Girivraja) was Magadha's early capital.
- (B) ভুল
  Wrong: Champa was the capital of Anga.
- (C) ভুল
  Wrong: Vaishali was the Licchavi capital.
- (D) ভুল
  Wrong: Pataliputra became capital later (Udayin).
Q75প্রশ্ন খুলুন
Which of the following statements about the Vernacular Press Act is/are correct? 1. It was enacted by Lord Lytton. 2. It came to be known as the 'Gagging Act'. 3. The Act was repealed by Lord Ripon.
1. Only 1 and 2
2. Only 2 and 3
3. Only 1
4. 1, 2 and 3
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) 1, 2 and 3
ব্যাখ্যা
The Vernacular Press Act, 1878 curbed Indian-language newspapers; Ripon repealed it in 1882.
- (A) ভুল
  Wrong: statement 3 is also correct.
- (B) ভুল
  Wrong: statement 1 is also correct.
- (C) ভুল
  Wrong: statements 2 and 3 are also correct.
- (D) সঠিক
  Correct: Lytton passed it in 1878, it was called the Gagging Act, and Ripon repealed it in 1882.
Q76প্রশ্ন খুলুন
Which of the following statements about Lord Mayo's Resolution of 1870 are correct? 1. It was the first step that bifurcated Central and Provincial finances. 2. Provincial governments were empowered to administer certain services. 3. It attempted to rectify existing imparity. 4. It focused on the actual needs of the provinces.
1. Only 1 and 2
2. Only 1, 3 and 4
3. Only 2, 3 and 4
4. 1, 2, 3 and 4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) 1, 2, 3 and 4
ব্যাখ্যা
Mayo's 1870 resolution began financial decentralisation: provinces got fixed grants to run services like police, jails, education and health.
- (A) ভুল
  Wrong: 3 and 4 also describe the resolution's aims.
- (B) ভুল
  Wrong: statement 2 is also correct.
- (C) ভুল
  Wrong: statement 1 is also correct.
- (D) সঠিক
  Correct: Mayo's financial decentralisation gave provinces fixed grants for services, addressing imbalance and needs.
Q77প্রশ্ন খুলুন
Nitisara, an early book on politics, was written by:
1. Kautilya
2. Kamandaka
3. Charaka
4. None of them
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Kamandaka
ব্যাখ্যা
Kamandakiya Nitisara, a Gupta-era work on statecraft, draws on Kautilya's Arthashastra.
- (A) ভুল
  Wrong: Kautilya wrote the Arthashastra.
- (B) সঠিক
  Correct: Kamandaka wrote the Nitisara (Gupta period).
- (C) ভুল
  Wrong: Charaka wrote on medicine.
- (D) ভুল
  Wrong: Kamandaka is correct.
Q78প্রশ্ন খুলুন
Futuhat-i-Alamgiri was written by:
1. Ishwardas Nagar
2. Bhimsen
3. Haridas
4. None of them
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Ishwardas Nagar
ব্যাখ্যা
Futuhat-i-Alamgiri by Ishwardas Nagar covers Aurangzeb's reign up to about 1698.
- (A) সঠিক
  Correct: Ishwardas Nagar wrote this account of Aurangzeb's reign.
- (B) ভুল
  Wrong: Bhimsen wrote Nuskha-i-Dilkusha.
- (C) ভুল
  Wrong: not the author.
- (D) ভুল
  Wrong: Ishwardas Nagar is correct.
Q79প্রশ্ন খুলুন
According to a Chinese source, Meghavarman, the ruler of Sri Lanka, sent a mission to which Gupta king for permission to build a Buddhist monastery at Gaya?
1. Chandragupta I
2. Samudragupta
3. Chandragupta II
4. None of them
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Samudragupta
ব্যাখ্যা
Wang Xuance's account records Meghavarna's embassy to Samudragupta for the Bodh Gaya monastery.
- (A) ভুল
  Wrong: not the king approached.
- (B) সঠিক
  Correct: Meghavarna sought Samudragupta's permission for a monastery at Bodh Gaya.
- (C) ভুল
  Wrong: not the king approached.
- (D) ভুল
  Wrong: Samudragupta is correct.
Q80প্রশ্ন খুলুন
When was Bihar first separated from the Bengal Presidency in British India?
1. 1912
2. 1936
3. 1947
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) 1912
ব্যাখ্যা
Bihar (with Orissa) was carved out of Bengal Presidency on 1 April 1912, now celebrated as Bihar Diwas.
- (A) সঠিক
  Correct: Bihar and Orissa province was created on 1 April 1912.
- (B) ভুল
  Wrong: 1936 is when Orissa separated from Bihar.
- (C) ভুল
  Wrong: Independence year.
- (D) ভুল
  Wrong: 1912 is correct.
Q81প্রশ্ন খুলুন
Consider the following statements: 1. Lake Victoria is the third largest freshwater lake in the world by surface area. 2. It is one of the African Great Lakes. 3. It is bordered by four countries – Tanzania, Uganda, Rwanda and Kenya. 4. The only outflow from Lake Victoria is the Nile, which exits near Jinja, Uganda. Which of the above statements are incorrect?
1. 1 and 2
2. 2 and 4
3. 3 and 4
4. 1 and 3
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) 1 and 3
ব্যাখ্যা
Lake Victoria (Tanzania, Uganda, Kenya) is the largest tropical lake and second largest freshwater lake after Lake Superior.
- (A) ভুল
  Wrong: statement 2 is correct.
- (B) ভুল
  Wrong: both are correct.
- (C) ভুল
  Wrong: statement 4 is correct.
- (D) সঠিক
  Correct: it is the second largest freshwater lake, and it borders only three countries (not Rwanda).
Q82প্রশ্ন খুলুন
Consider the following statements regarding 'heat wave': 1. A heat wave is considered if the maximum temperature of a station reaches at least 30°C or more for plains. 2. A heat wave is considered if the maximum temperature reaches at least 40°C or more for hilly regions. Which of the above statements is/are correct?
1. Both 1 and 2
2. Only 1
3. Only 2
4. Neither 1 nor 2
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Neither 1 nor 2
ব্যাখ্যা
IMD: heat wave if max temperature ≥ 40°C (plains), ≥ 37°C (coast) or ≥ 30°C (hills), with departure criteria.
- (A) ভুল
  Wrong: the thresholds are swapped.
- (B) ভুল
  Wrong: plains need 40°C, not 30°C.
- (C) ভুল
  Wrong: hills need 30°C, not 40°C.
- (D) সঠিক
  Correct: IMD thresholds are 40°C for plains and 30°C for hills, so both are wrong.
Q83প্রশ্ন খুলুন
Match List-I (Explorer) with List-II (Birthplace): a. Christopher Columbus b. Jacques Cartier c. Sir Francis Drake d. Ferdinand Magellan 1. Portugal 2. United Kingdom 3. Italy 4. France
1. a-3, b-4, c-2, d-1
2. a-1, b-2, c-4, d-3
3. a-3, b-4, c-1, d-2
4. a-1, b-4, c-2, d-3
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) a-3, b-4, c-2, d-1
ব্যাখ্যা
Columbus (Genoa), Cartier (Saint-Malo), Drake (Devon) and Magellan (Portugal).
- (A) সঠিক
  Correct: Columbus–Italy (Genoa), Cartier–France, Drake–England, Magellan–Portugal.
- (B) ভুল
  Wrong: Columbus was Italian.
- (C) ভুল
  Wrong: Drake was English, Magellan Portuguese.
- (D) ভুল
  Wrong: Columbus and Magellan are swapped.
Q84প্রশ্ন খুলুন
The emirates of the UAE are:
1. Abu Dhabi, Dubai, Sharjah, Ajman, Umm Al-Quwain, Fujairah, Ras Al-Khaimah
2. Dubai, Sharjah, Ajman, Jeddah, Kuwait, Bahrain, Umm Al-Quwain
3. Umm Al-Quwain, Fujairah, Ras Al-Khaimah, Riyadh, Dammam, Taif, Dubai
4. Sharjah, Abu Dhabi, Ajman, Fujairah, Dubai, Bahrain, Kuwait
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Abu Dhabi, Dubai, Sharjah, Ajman, Umm Al-Quwain, Fujairah, Ras Al-Khaimah
ব্যাখ্যা
The UAE federation (1971–72) comprises seven emirates, with Abu Dhabi as the capital.
- (A) সঠিক
  Correct: these are the seven emirates.
- (B) ভুল
  Wrong: Jeddah is Saudi; Kuwait and Bahrain are countries.
- (C) ভুল
  Wrong: Riyadh, Dammam, Taif are Saudi cities.
- (D) ভুল
  Wrong: Bahrain and Kuwait are separate countries.
Q85প্রশ্ন খুলুন
The Subarnarekha river originates near which village?
1. Ormanjhi
2. Mandar
3. Hehal
4. Nagri
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Nagri
ব্যাখ্যা
Subarnarekha rises near Nagri (Ranchi), forms Hundru Falls and flows through Jharkhand, West Bengal and Odisha.
- (A) ভুল
  Wrong: not the source.
- (B) ভুল
  Wrong: not the source.
- (C) ভুল
  Wrong: not the source.
- (D) সঠিক
  Correct: it rises near Nagri village, Ranchi (Jharkhand).
Q86প্রশ্ন খুলুন
Which of the following National Parks/Wildlife Sanctuaries are in Bihar? 1. Valmiki National Park 2. Dudhwa National Park 3. Gajner Wildlife Sanctuary 4. Bhimbandh Wildlife Sanctuary
1. 1 and 4
2. 2 and 3
3. 1 and 3
4. 2 and 4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) 1 and 4
ব্যাখ্যা
Dudhwa (Lakhimpur Kheri, UP) and Gajner (Bikaner, Rajasthan) are outside Bihar.
- (A) সঠিক
  Correct: Valmiki (West Champaran) and Bhimbandh (Munger) are in Bihar.
- (B) ভুল
  Wrong: Dudhwa is in UP; Gajner is in Rajasthan.
- (C) ভুল
  Wrong: Gajner is in Rajasthan.
- (D) ভুল
  Wrong: Dudhwa is in UP.
Q87প্রশ্ন খুলুন
Consider the following statements regarding the Gangetic Dolphin: 1. It is categorised as 'Endangered' on the IUCN Red List. 2. It does not have a crystalline eye lens, rendering it effectively blind. 3. Navigation and hunting are carried out using echolocation. 4. It has been recognised as India's National Aquatic Animal. Which of the above statements are correct?
1. Only 1, 2 and 4
2. Only 2, 3 and 4
3. Only 1, 3 and 4
4. All of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) All of the above
ব্যাখ্যা
The Ganges river dolphin (Susu) is Endangered, nearly blind, uses echolocation and was declared National Aquatic Animal in 2009.
- (A) ভুল
  Wrong: statement 3 is also correct.
- (B) ভুল
  Wrong: statement 1 is also correct.
- (C) ভুল
  Wrong: statement 2 is also correct.
- (D) সঠিক
  Correct: all four statements are correct.
Q88প্রশ্ন খুলুন
The other name of the river Gandak is:
1. Burhi Gandak
2. Mahananda
3. Narayani
4. Punpun
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Narayani
ব্যাখ্যা
The Gandak, a Himalayan tributary of the Ganga, is known as Narayani in Nepal and meets the Ganga near Hajipur.
- (A) ভুল
  Wrong: a separate river.
- (B) ভুল
  Wrong: a separate river.
- (C) সঠিক
  Correct: the Gandak is called Narayani (Sapt Gandaki) in Nepal.
- (D) ভুল
  Wrong: a separate river of south Bihar.
Q89প্রশ্ন খুলুন
Gold is found in which of the following districts of Bihar?
1. Munger
2. Saran
3. Siwan
4. Jamui
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Jamui
ব্যাখ্যা
The GSI has identified large gold-bearing reserves in Jamui district.
- (A) ভুল
  Wrong: not the gold district.
- (B) ভুল
  Wrong: not the gold district.
- (C) ভুল
  Wrong: not the gold district.
- (D) সঠিক
  Correct: Jamui (Sono/Karmatiya) holds Bihar's gold reserves.
Q90প্রশ্ন খুলুন
The Triveni Canal has been constructed on which river?
1. Kosi
2. Sone
3. Gandak
4. Mayurakshi
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Gandak
ব্যাখ্যা
The Triveni Canal (built 1909–1914) takes off from the Gandak near Triveni Ghat, West Champaran.
- (A) ভুল
  Wrong: Kosi has the Eastern/Western Kosi canals.
- (B) ভুল
  Wrong: Sone has the Sone canal system.
- (C) সঠিক
  Correct: the Triveni canal draws from the Gandak (West Champaran).
- (D) ভুল
  Wrong: Mayurakshi is in Jharkhand/West Bengal.
Q91প্রশ্ন খুলুন
Assertion (A): Rich placer deposits of gold are found on the Ghana coast and gold-bearing veins are found in Brazil. Reason (R): At some point in time, these continents were joined together along the Atlantic coast.
1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true but R is not the correct explanation of A
3. A is false but R is true
4. A is true but R is false
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Both A and R are true and R is the correct explanation of A
ব্যাখ্যা
Matching gold deposits across the Atlantic is classic evidence for continental drift (Wegener).
- (A) সঠিক
  Correct: the gold source rocks were continuous when Africa and South America were joined.
- (B) ভুল
  Wrong: R does explain A (continental drift evidence).
- (C) ভুল
  Wrong: A is true.
- (D) ভুল
  Wrong: R is true.
Q92প্রশ্ন খুলুন
Bihar's geological structure consists of several rock systems. Match the rock systems with their descriptions: a. Dharwar rock system b. Vindhyan rock system c. Quaternary rock system d. Tertiary rock system 1. Created by rapid deposition of alluvium by Himalayan and Peninsular rivers 2. Found in West Champaran district 3. Part of the oldest Archaean rock system 4. Sandstone, limestone, dolomite, quartzite and shale are the main constituents
1. a-3, b-4, c-1, d-2
2. a-1, b-3, c-2, d-4
3. a-2, b-3, c-4, d-1
4. a-4, b-2, c-3, d-1
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) a-3, b-4, c-1, d-2
ব্যাখ্যা
In Bihar, Tertiary (Shivalik) rocks occur in the north of West Champaran; Quaternary alluvium covers the Ganga plain.
- (A) সঠিক
  Correct: Dharwar–Archaean, Vindhyan–sandstone/limestone, Quaternary–alluvium, Tertiary–West Champaran (Shivalik).
- (B) ভুল
  Wrong: Dharwar is not alluvial.
- (C) ভুল
  Wrong: most pairs are wrong.
- (D) ভুল
  Wrong: most pairs are wrong.
Q93প্রশ্ন খুলুন
Which of the following is the world's richest region from a marine biodiversity perspective, comprising 21 islands with estuaries, beaches, nearshore forests, seagrasses, coral reefs, salt marshes and mangroves?
1. Gulf of Mannar Biosphere Reserve
2. Nanda Devi Biosphere Reserve
3. Sundarbans Biosphere Reserve
4. Nilgiri Biosphere Reserve
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Gulf of Mannar Biosphere Reserve
ব্যাখ্যা
The Gulf of Mannar (Tamil Nadu) was India's first marine biosphere reserve and is home to the dugong.
- (A) সঠিক
  Correct: its 21 islands and coral/seagrass ecosystems make it exceptionally rich.
- (B) ভুল
  Wrong: a Himalayan reserve.
- (C) ভুল
  Wrong: a mangrove delta, not 21 islands with coral reefs.
- (D) ভুল
  Wrong: a terrestrial mountain reserve.
Q94প্রশ্ন খুলুন
What is the local time at Thimphu (Bhutan), located at 90° East longitude, when it is 12:00 noon at Greenwich (0°)?
1. 6:00 p.m.
2. 4:00 p.m.
3. 7:00 p.m.
4. 6:00 a.m.
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) 6:00 p.m.
ব্যাখ্যা
Each degree of longitude equals 4 minutes; places east are ahead, so 90°E is 6 hours ahead.
- (A) সঠিক
  Correct: 90° × 4 min = 360 min = 6 hours ahead → 6 p.m.
- (B) ভুল
  Wrong: this is only 4 hours ahead.
- (C) ভুল
  Wrong: 7 hours would be 105°E.
- (D) ভুল
  Wrong: east of Greenwich is ahead, not behind.
Q95প্রশ্ন খুলুন
Which of the following statements is correct?
1. Natural gas is found in the Dharwar rock formation.
2. Mica is found in Koderma.
3. The Cuddapah series is famous for diamonds.
4. Petroleum reserves are found in the Aravalli hills.
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Mica is found in Koderma.
ব্যাখ্যা
Koderma was once called the 'mica capital of India'.
- (A) ভুল
  Wrong: natural gas is found in sedimentary (Tertiary) rocks.
- (B) সঠিক
  Correct: Koderma (Jharkhand) is famous for mica.
- (C) ভুল
  Wrong: Cuddapah is known for building stones/barytes; Vindhyan (Panna) for diamonds.
- (D) ভুল
  Wrong: Aravallis are ancient folded rocks without petroleum.
Q96প্রশ্ন খুলুন
How many parallels of latitude are there on the globe if drawn at 1° intervals?
1. 180
2. 178
3. 179
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) 179
ব্যাখ্যা
NCERT: at 1° intervals there are 89 parallels in each hemisphere; with the equator the total is 179.
- (A) ভুল
  Wrong: miscounts the equator/poles.
- (B) ভুল
  Wrong: leaves out the equator.
- (C) সঠিক
  Correct: 89 in each hemisphere plus the equator = 179 (poles are points).
- (D) ভুল
  Wrong: 179 is the NCERT answer.
Q97প্রশ্ন খুলুন
The average height of the Kosi plain above mean sea level is:
1. 300 m
2. 150 m
3. 30 m
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) 30 m
ব্যাখ্যা
The north Bihar plains slope only ~15–20 cm per km, so the Kosi plain is low and flood-prone.
- (A) ভুল
  Wrong: far too high for the Ganga plain.
- (B) ভুল
  Wrong: too high.
- (C) সঠিক
  Correct: the very flat Kosi plain lies around 30 m above sea level.
- (D) ভুল
  Wrong: 30 m is the accepted answer.
Q98প্রশ্ন খুলুন
On which plateau do the Tropic of Cancer and the Indian Standard Time meridian (82.5°E) intersect?
1. Bundelkhand
2. Baghelkhand
3. Malwa
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Baghelkhand
ব্যাখ্যা
23.5°N meets 82.5°E near the Koriya/Surguja area, part of the Baghelkhand plateau.
- (A) ভুল
  Wrong: Bundelkhand lies further west.
- (B) সঠিক
  Correct: the intersection lies in the Baghelkhand plateau (northern Chhattisgarh).
- (C) ভুল
  Wrong: Malwa is far to the west.
- (D) ভুল
  Wrong: Baghelkhand is correct.
Q99প্রশ্ন খুলুন
Which district of Uttarakhand is NOT situated along the Tibet border?
1. Uttarkashi
2. Chamoli
3. Almora
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Almora
ব্যাখ্যা
Uttarkashi, Chamoli and Pithoragarh border Tibet (China); Almora does not.
- (A) ভুল
  Wrong: borders Tibet.
- (B) ভুল
  Wrong: borders Tibet.
- (C) সঠিক
  Correct: Almora is an interior district with no international border.
- (D) ভুল
  Wrong: Almora does not border Tibet.
Q100প্রশ্ন খুলুন
Where does the El Niño current flow?
1. The Pacific Ocean
2. The Indian Ocean
3. The Bay of Bengal
4. More than one of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) The Pacific Ocean
ব্যাখ্যা
El Niño is a warm current appearing off Peru/Ecuador in the Pacific, often weakening India's monsoon.
- (A) সঠিক
  Correct: El Niño is warming of the eastern equatorial Pacific off Peru.
- (B) ভুল
  Wrong: it affects India's monsoon but flows in the Pacific.
- (C) ভুল
  Wrong: not in the Bay of Bengal.
- (D) ভুল
  Wrong: only the Pacific.
Q101প্রশ্ন খুলুন
Consider the following statements about the collegium system: 1. The Supreme Court collegium is a five-member body headed by the Chief Justice of India and comprising the four next senior-most judges. 2. Parliament evolved the collegium system by law. 3. Judges of the Supreme Court and High Courts are appointed only through the collegium system. 4. The collegium system was introduced in 1993 by Justice P.N. Bhagwati in the First Judges Case. Which of the above statements is/are correct?
1. Only 1
2. 1 and 2
3. 3 and 4
4. 1 and 3
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) 1 and 3
ব্যাখ্যা
The collegium arose from the Second (1993) and Third (1998) Judges Cases; the NJAC (2014) was struck down in 2015.
- (A) ভুল
  Wrong: statement 3 is also correct.
- (B) ভুল
  Wrong: the collegium evolved through judgments, not a law.
- (C) ভুল
  Wrong: it came from the Second Judges Case (1993, J.S. Verma), not the First.
- (D) সঠিক
  Correct: the CJI + 4 senior judges recommend, and appointments are made only via this route.
Q102প্রশ্ন খুলুন
Consider the following statements regarding the 42nd Amendment: 1. It added three words to the Preamble – 'Socialist', 'Secular' and 'Integrity'. 2. It added eight Fundamental Duties. 3. It added new Directive Principles, i.e. Articles 39A, 43A and 47. 4. It granted the President, in consultation with the Election Commission, power to decide disqualification of members. Which of the above statements are incorrect?
1. 1 and 2
2. 3 and 4
3. 2 and 3
4. 1 and 4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) 2 and 3
ব্যাখ্যা
The 42nd Amendment (1976) added 10 Fundamental Duties (Art. 51A) and DPSPs 39A, 43A, 48A.
- (A) ভুল
  Wrong: statement 1 is correct.
- (B) ভুল
  Wrong: statement 4 reflects the 42nd Amendment's changes.
- (C) সঠিক
  Correct: it added ten Fundamental Duties, and the new DPSPs were 39A, 43A and 48A (Art. 47 is original).
- (D) ভুল
  Wrong: both are correct.
Q103প্রশ্ন খুলুন
The criteria for a community to be declared a Scheduled Tribe are: 1. indications of primitive traits 2. distinctive culture 3. shyness of contact with the community at large 4. backwardness and geographical isolation Which of the above are correct?
1. Only 1 and 2
2. Only 2, 3 and 4
3. Only 1, 3 and 4
4. All of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) All of the above
ব্যাখ্যা
Lokur Committee criteria: primitive traits, distinctive culture, geographical isolation, shyness of contact and backwardness.
- (A) ভুল
  Wrong: 3 and 4 are also Lokur criteria.
- (B) ভুল
  Wrong: primitive traits is also a criterion.
- (C) ভুল
  Wrong: distinctive culture is also a criterion.
- (D) সঠিক
  Correct: these are the five Lokur Committee (1965) criteria (with backwardness and isolation).
Q104প্রশ্ন খুলুন
From which country did the Indian Constitution take the idea of Fundamental Rights?
1. Ireland
2. United States of America
3. United Kingdom
4. Canada
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) United States of America
ব্যাখ্যা
From the USA: Fundamental Rights, judicial review, independent judiciary, removal of judges.
- (A) ভুল
  Wrong: Ireland inspired the DPSPs.
- (B) সঠিক
  Correct: the US Bill of Rights inspired Fundamental Rights.
- (C) ভুল
  Wrong: the UK has no written bill of rights.
- (D) ভুল
  Wrong: Canada inspired the federal structure.
Q105প্রশ্ন খুলুন
Untouchability is abolished by which Article of the Indian Constitution?
1. Article 14
2. Article 15
3. Article 17
4. Article 22
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Article 17
ব্যাখ্যা
Article 17 abolishes untouchability and makes its practice an offence (Protection of Civil Rights Act, 1955).
- (A) ভুল
  Wrong: equality before law.
- (B) ভুল
  Wrong: prohibition of discrimination.
- (C) সঠিক
  Correct: Article 17 abolishes untouchability.
- (D) ভুল
  Wrong: protection against arrest and detention.
Q106প্রশ্ন খুলুন
The authority to determine the number of judges in a High Court rests with:
1. The President
2. The Chief Minister of the State
3. The Prime Minister
4. The Parliament
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) The President
ব্যাখ্যা
Unlike the Supreme Court (fixed by Parliament), the strength of each High Court is determined by the President.
- (A) সঠিক
  Correct: the President fixes HC judge strength from time to time.
- (B) ভুল
  Wrong: not the CM.
- (C) ভুল
  Wrong: not the PM.
- (D) ভুল
  Wrong: Parliament fixes the Supreme Court's strength, not HCs'.
Q107প্রশ্ন খুলুন
The Fifth Schedule deals with the administration and protection of the interests of which group?
1. Scheduled Castes
2. Religious minorities
3. Scheduled Tribes
4. Linguistic minorities
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Scheduled Tribes
ব্যাখ্যা
The Fifth Schedule provides for Scheduled Areas and Tribes Advisory Councils in states other than Assam, Meghalaya, Tripura, Mizoram.
- (A) ভুল
  Wrong: not the Fifth Schedule's focus.
- (B) ভুল
  Wrong: not related.
- (C) সঠিক
  Correct: the Fifth Schedule covers Scheduled Areas and Scheduled Tribes.
- (D) ভুল
  Wrong: not related.
Q108প্রশ্ন খুলুন
In which case did the Supreme Court first propound the doctrine of the 'basic structure' of the Constitution?
1. Golaknath vs State of Punjab
2. Kesavananda Bharati vs State of Kerala
3. Minerva Mills vs Union of India
4. Both (A) and (B)
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Kesavananda Bharati vs State of Kerala
ব্যাখ্যা
In Kesavananda Bharati (1973), a 13-judge bench held Parliament cannot alter the Constitution's basic structure.
- (A) ভুল
  Wrong: Golaknath (1967) held Parliament cannot amend FRs, but did not use 'basic structure'.
- (B) সঠিক
  Correct: the 1973 judgment introduced the basic structure doctrine.
- (C) ভুল
  Wrong: Minerva Mills (1980) applied and strengthened it.
- (D) ভুল
  Wrong: only Kesavananda first laid it down.
Q109প্রশ্ন খুলুন
Match the political parties (List-I) with their years of establishment (List-II): a. CPI(M) b. CPI c. Bahujan Samaj Party d. All India Trinamool Congress 1. 1964 2. 1998 3. 1925 4. 1984
1. a-1, b-3, c-4, d-2
2. a-2, b-1, c-4, d-3
3. a-2, b-1, c-3, d-4
4. a-3, b-4, c-1, d-2
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) a-1, b-3, c-4, d-2
ব্যাখ্যা
CPI (1925, Kanpur); CPI(M) split from it in 1964; BSP founded by Kanshi Ram in 1984; TMC by Mamata Banerjee in 1998.
- (A) সঠিক
  Correct: CPI(M) 1964, CPI 1925, BSP 1984, AITC 1998.
- (B) ভুল
  Wrong: CPI(M) split in 1964.
- (C) ভুল
  Wrong: most pairs are wrong.
- (D) ভুল
  Wrong: CPI was founded in 1925.
Q110প্রশ্ন খুলুন
Under which Article can the Speaker allow a member of the House to speak in his/her mother tongue?
1. Article 110(1)
2. Article 122(2)
3. Article 120(1)
4. Both (A) and (B)
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Article 120(1)
ব্যাখ্যা
Article 120: business in Parliament is in Hindi or English, but the Speaker/Chairman may permit a member's mother tongue.
- (A) ভুল
  Wrong: defines Money Bills.
- (B) ভুল
  Wrong: protects officers regulating procedure from courts.
- (C) সঠিক
  Correct: Article 120(1) proviso lets the presiding officer permit the mother tongue.
- (D) ভুল
  Wrong: neither is relevant.
Q111প্রশ্ন খুলুন
The Foreign Exchange Reserves of RBI include which of the following? 1. Foreign Currency Assets (FCA) 2. Gold 3. Special Drawing Rights (SDR) 4. Reserve Tranche Position
1. Only 1 and 2
2. Only 2, 3 and 4
3. Only 1, 2 and 3
4. All of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) All of the above
ব্যাখ্যা
RBI reports reserves in four components: FCA, gold, SDRs and the IMF reserve tranche.
- (A) ভুল
  Wrong: SDR and RTP are also included.
- (B) ভুল
  Wrong: FCA, the largest part, is also included.
- (C) ভুল
  Wrong: the reserve tranche is also included.
- (D) সঠিক
  Correct: India's forex reserves = FCA + gold + SDRs + reserve tranche position with the IMF.
Q112প্রশ্ন খুলুন
Consider the following statements about 'Rules of Origin': 1. They are the criteria needed to determine the national source of a product. 2. They help customs know what regulations and fees apply to a product. 3. They are used for trade statistics. 4. They matter because duties and restrictions often depend on the source of imports. Which of the above statements are correct?
1. Only 1 and 2
2. Only 3 and 4
3. Only 1, 3 and 4
4. All of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) All of the above
ব্যাখ্যা
Rules of origin decide a product's 'economic nationality' for tariffs, quotas, trade remedies and statistics.
- (A) ভুল
  Wrong: 3 and 4 are also correct.
- (B) ভুল
  Wrong: 1 and 2 are also correct.
- (C) ভুল
  Wrong: 2 is also correct.
- (D) সঠিক
  Correct: all four reflect the WTO description of rules of origin.
Q113প্রশ্ন খুলুন
Consider the following statements about infant mortality rate (IMR): 1. It is the probability of dying between birth and exactly 1 year of age, per 10,000 live births. 2. India's IMR in 1950 was about 189.6. 3. In 2019, India's IMR was 30. 4. As per the SRS Bulletin, the state with the highest IMR in 2019 was Uttar Pradesh. Which of the above statements are correct?
1. 1, 2 and 3
2. 2, 3 and 4
3. Only 2 and 3
4. 1 and 4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Only 2 and 3
ব্যাখ্যা
IMR is measured per 1,000 live births; SRS 2019 put India at 30 and Madhya Pradesh highest (46).
- (A) ভুল
  Wrong: IMR is per 1,000 live births, not 10,000.
- (B) ভুল
  Wrong: Madhya Pradesh, not UP, had the highest IMR in 2019.
- (C) সঠিক
  Correct: IMR was ~190 around 1950 and 30 in 2019; 1 and 4 are wrong.
- (D) ভুল
  Wrong: both are wrong.
Q114প্রশ্ন খুলুন
Human capital formation as a concept is better explained as a process which enables: 1. individuals of a country to accumulate more capital 2. increasing knowledge 3. increasing skill levels 4. increasing the knowledge, skill levels and capacities of the people of the country
1. Only 1
2. 1 and 2
3. 3 and 4
4. Only 4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Only 4
ব্যাখ্যা
NCERT defines human capital formation as increasing the knowledge, skill levels and capacities of a country's people.
- (A) ভুল
  Wrong: accumulating capital is physical, not human, capital.
- (B) ভুল
  Wrong: incomplete and partly wrong.
- (C) ভুল
  Wrong: 4 alone is the complete definition.
- (D) সঠিক
  Correct: human capital formation means raising people's knowledge, skills and capacities.
Q115প্রশ্ন খুলুন
Consider the following statements regarding insolvency and bankruptcy: 1. Bankruptcy refers to a financial state in which an individual or entity is unable to pay debts as they fall due. 2. Insolvency refers to a legal process where the debtor's assets are liquidated or reorganised for creditors. 3. Bankruptcy is a state whereas insolvency is the conclusion. 4. The Insolvency and Bankruptcy Board of India (IBBI) regulates insolvency and bankruptcy proceedings. Which of the above statements is/are correct?
1. 1, 2 and 3
2. 2, 3 and 4
3. Only 4
4. Only 1 and 2
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Only 4
ব্যাখ্যা
Insolvency is a financial state; bankruptcy is a legal declaration. IBBI (2016) regulates the process under the IBC.
- (A) ভুল
  Wrong: statements 1–3 swap the two terms.
- (B) ভুল
  Wrong: 2 and 3 are wrong.
- (C) সঠিক
  Correct: insolvency is the state of inability to pay; bankruptcy is the legal outcome; only 4 is correct.
- (D) ভুল
  Wrong: these definitions are reversed.
Q116প্রশ্ন খুলুন
In which year was the (second) Industrial Policy Resolution adopted?
1. 1956
2. 1954
3. 1952
4. 1950
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) 1956
ব্যাখ্যা
India's Industrial Policy Resolutions came in 1948 and 1956; the 1956 one gave the public sector a leading role.
- (A) সঠিক
  Correct: the Industrial Policy Resolution of 1956 classified industries into three schedules.
- (B) ভুল
  Wrong: no IPR in 1954.
- (C) ভুল
  Wrong: no IPR in 1952.
- (D) ভুল
  Wrong: the first IPR was in 1948.
Q117প্রশ্ন খুলুন
Consider the following statements about the PLI scheme for IT hardware: 1. It offers production-linked incentives to boost domestic manufacturing of mobile phones and specified electronic components. 2. It has two categories of applicants: global companies and domestic companies. 3. It extends an average incentive of around 8% on net incremental sales for six years. 4. The target segment includes laptops, tablets, all-in-one PCs, servers and Ultra-Small Form Factor (USFF) devices. Which of the above statements are incorrect?
1. 1 and 4
2. 2 and 4
3. 1 and 3
4. 2 and 3
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) 1 and 3
ব্যাখ্যা
PLI 2.0 for IT hardware (2023, ₹17,000 crore) covers laptops, tablets, AIO PCs, servers and USFF with ~5% average incentive.
- (A) ভুল
  Wrong: statement 4 is correct.
- (B) ভুল
  Wrong: both are correct.
- (C) সঠিক
  Correct: mobile phones fall under a separate PLI (LSEM), and the IT hardware incentive is ~5% over six years, not 8%.
- (D) ভুল
  Wrong: statement 2 is correct.
Q118প্রশ্ন খুলুন
Consider the following statements regarding the SVAMITVA scheme: 1. It is a Central Sector Scheme under the Ministry of Mines. 2. It creates geo-positioning infrastructure like a CORS network providing 5 cm-level accuracy. 3. CORS means Cross-Origin Resource Sharing. 4. It establishes clear ownership of property in rural inhabited (Abadi) areas by mapping land parcels with drones. Which of the above statements are incorrect?
1. 2 and 4
2. 1 and 3
3. 2 and 3
4. 1 and 4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) 1 and 3
ব্যাখ্যা
SVAMITVA (2020) is run by the Ministry of Panchayati Raj with Survey of India, issuing property cards via drone mapping.
- (A) ভুল
  Wrong: both are correct.
- (B) সঠিক
  Correct: it is under the Ministry of Panchayati Raj, and CORS = Continuously Operating Reference Stations.
- (C) ভুল
  Wrong: statement 2 is correct.
- (D) ভুল
  Wrong: statement 4 is correct.
Q119প্রশ্ন খুলুন
Which of the following are consequences of a Financial Emergency under Article 360? 1. The President may order the states to reduce salaries and allowances of all or any class of state employees. 2. Money Bills or other financial bills passed by the State Legislature need not be reserved for the President. 3. The President can direct reduction of salaries and allowances of Union employees, including Supreme Court and High Court judges. 4. Money Bills or other financial bills must be reserved for the President's consideration after passage by the State Legislature.
1. Only 1, 3 and 4
2. Only 2
3. Only 1 and 2
4. All of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Only 1, 3 and 4
ব্যাখ্যা
Under Article 360, the Centre can cut salaries (including judges') and require state money bills to be reserved for the President.
- (A) সঠিক
  Correct: these are the Article 360 consequences.
- (B) ভুল
  Wrong: statement 2 is the opposite of the rule.
- (C) ভুল
  Wrong: statement 2 is wrong.
- (D) ভুল
  Wrong: 2 contradicts 4.
Q120প্রশ্ন খুলুন
Which of the following factors could potentially contribute to stagflation in the Indian economy? 1. High inflationary pressure due to increased government spending 2. Decline in industrial production and sluggish economic growth 3. Decrease in aggregate demand and consumer spending 4. Appreciation of the domestic currency reducing export competitiveness
1. Only 1 and 2
2. Only 2 and 3
3. Only 1, 3 and 4
4. 1, 2, 3 and 4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Only 1 and 2
ব্যাখ্যা
Stagflation combines high inflation with low growth and high unemployment; falling demand or a stronger currency push inflation down.
- (A) সঠিক
  Correct: stagflation = high inflation (1) + stagnant growth (2).
- (B) ভুল
  Wrong: falling demand lowers inflation, which is not stagflation.
- (C) ভুল
  Wrong: 3 and 4 tend to reduce inflation.
- (D) ভুল
  Wrong: 3 and 4 are disinflationary.
Q121প্রশ্ন খুলুন
As per the Economic Survey 2023, which of the following describe(s) the trend of Foreign Direct Investment in India? 1. It has decreased due to less participation of the private sector. 2. It has increased compared to pre-pandemic levels. 3. It has increased rapidly without decreasing in any year after telecom reforms. 4. It has decreased due to a weak global economic situation.
1. Only 1 and 3
2. 2 and 4
3. 1, 2 and 3
4. Only 4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) 2 and 4
ব্যাখ্যা
Economic Survey 2022-23 noted FDI inflows moderated with global slowdown but remained above pre-pandemic levels.
- (A) ভুল
  Wrong: neither matches the Survey.
- (B) সঠিক
  Correct: FDI stayed above pre-pandemic levels but dipped amid global weakness.
- (C) ভুল
  Wrong: 1 and 3 are wrong.
- (D) ভুল
  Wrong: statement 2 is also correct.
Q122প্রশ্ন খুলুন
What is the (approximate) current population of Gaya city in Bihar, as per the options given?
1. 5,98,000
2. 3,20,000
3. 7,80,000
4. 2,34,000
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) 5,98,000
ব্যাখ্যা
The question says 'district', but Gaya district had ~43.9 lakh people (2011); the options only fit Gaya city, whose projected population is close to 6 lakh.
- (A) সঠিক
  Correct: Gaya city had ~4.7 lakh people in 2011, projected near 6 lakh now; the closest option.
- (B) ভুল
  Wrong: below even the 2011 figure.
- (C) ভুল
  Wrong: higher than projections for the city.
- (D) ভুল
  Wrong: far too low.
Q123প্রশ্ন খুলুন
Which of the following statements about non-plan expenditure of the Central Government is correct?
1. It includes interest payments.
2. It includes science and technology.
3. It includes agriculture.
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) It includes interest payments.
ব্যাখ্যা
Non-plan expenditure covered interest, defence, subsidies, pensions and salaries (the plan/non-plan split ended in 2017-18).
- (A) সঠিক
  Correct: interest payments were the largest non-plan item.
- (B) ভুল
  Wrong: S&T was mainly plan expenditure.
- (C) ভুল
  Wrong: agriculture development was plan expenditure.
- (D) ভুল
  Wrong: option A is correct.
Q124প্রশ্ন খুলুন
Which of the following is NOT true about globalisation and its impact on India?
1. It has expanded trade in goods and services.
2. It has led to greater flow of FDI.
3. The increase in exports is greater than the increase in imports.
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) The increase in exports is greater than the increase in imports.
ব্যাখ্যা
Post-1991, India's imports (especially oil, electronics, gold) have outpaced exports, keeping a merchandise trade deficit.
- (A) ভুল
  Wrong: true.
- (B) ভুল
  Wrong: true.
- (C) সঠিক
  Correct: imports have grown faster, widening the trade deficit.
- (D) ভুল
  Wrong: option C is not true.
Q125প্রশ্ন খুলুন
Consider the following statements about recent Union Government finances: 1. The fiscal deficit reached 9.2% of GDP during the pandemic year FY21. 2. The fiscal deficit moderated to 7.7% of GDP in FY22. 3. Revenue collection over the last two years has gone down. Which of the above statements is/are correct?
1. Only 1
2. 1 and 2
3. 2 and 3
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Only 1
ব্যাখ্যা
Economic Survey 2022-23: fiscal deficit 9.2% (FY21) → 6.7% (FY22), aided by buoyant revenue collection.
- (A) সঠিক
  Correct: FY21 deficit was 9.2%; FY22 was 6.7% (not 7.7%), and revenue rose.
- (B) ভুল
  Wrong: FY22 deficit was 6.7%.
- (C) ভুল
  Wrong: both are wrong.
- (D) ভুল
  Wrong: statement 1 is correct.
Q126প্রশ্ন খুলুন
Which of the following were reasons for the failure of the Revolt of 1857? 1. The military superiority of the British 2. The rebels did not have a unified programme and ideology 3. There was a lack of support from all sections of society
1. Only 1 and 2
2. Only 2 and 3
3. All of the above
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) All of the above
ব্যাখ্যা
Superior British arms and communications, lack of unified leadership/ideology, and non-participation of many rulers, zamindars and the educated class led to failure.
- (A) ভুল
  Wrong: lack of broad support was also a reason.
- (B) ভুল
  Wrong: British military superiority was also a reason.
- (C) সঠিক
  Correct: all three contributed to the revolt's failure.
- (D) ভুল
  Wrong: all three are valid reasons.
Q127প্রশ্ন খুলুন
The cook from Bihar who saved Mahatma Gandhi's life from a poisoning attempt in 1917 was:
1. Muzaffar Ahmad
2. Batak Mian
3. Mir Bakawal
4. None of them
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Batak Mian
ব্যাখ্যা
During the Champaran Satyagraha, indigo planter Irwin's cook Batak Mian foiled a plot to poison Gandhi.
- (A) ভুল
  Wrong: not the cook.
- (B) সঠিক
  Correct: Batak Mian refused to serve poisoned milk to Gandhi at Motihari (Champaran).
- (C) ভুল
  Wrong: not the cook.
- (D) ভুল
  Wrong: Batak Mian is correct.
Q128প্রশ্ন খুলুন
The Bakasht Movement in Bihar during 1937–38 was organised by:
1. Swami Dayanand Saraswati
2. Jayaprakash Narayan
3. Swami Sahajanand Saraswati
4. Peer Ali Khan
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Swami Sahajanand Saraswati
ব্যাখ্যা
The Bakasht movement opposed zamindars' seizure of tenants' land (bakasht land) under Sahajanand's Kisan Sabha.
- (A) ভুল
  Wrong: founder of Arya Samaj (died 1883).
- (B) ভুল
  Wrong: not the organiser.
- (C) সঠিক
  Correct: the Kisan Sabha leader led the Bakasht struggle against eviction from tenanted land.
- (D) ভুল
  Wrong: a 1857 revolutionary of Patna.
Q129প্রশ্ন খুলুন
Arrange the following events of India's freedom struggle in chronological order: 1. Home Rule Movement 2. Surat Split 3. Kheda Satyagraha 4. Minto-Morley Reforms
1. 1-3-2-4
2. 2-4-1-3
3. 1-4-2-3
4. 2-3-1-4
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) 2-4-1-3
ব্যাখ্যা
Surat Split (1907), Indian Councils Act (1909), Home Rule Leagues (1916), Kheda Satyagraha (1918).
- (A) ভুল
  Wrong: Surat Split (1907) came first.
- (B) সঠিক
  Correct: Surat 1907 → Minto-Morley 1909 → Home Rule 1916 → Kheda 1918.
- (C) ভুল
  Wrong: wrong order.
- (D) ভুল
  Wrong: Minto-Morley (1909) precedes Kheda (1918).
Q130প্রশ্ন খুলুন
Lord Lytton is NOT associated with which of the following?
1. The Strachey Famine Commission
2. The Arms Act
3. The Vernacular Press Act
4. The Ilbert Bill
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) The Ilbert Bill
ব্যাখ্যা
Lytton (1876–80): Delhi Durbar 1877, VPA and Arms Act 1878, Strachey Commission. Ilbert Bill: Ripon.
- (A) ভুল
  Wrong: appointed under Lytton (1878).
- (B) ভুল
  Wrong: passed under Lytton (1878).
- (C) ভুল
  Wrong: passed under Lytton (1878).
- (D) সঠিক
  Correct: the Ilbert Bill controversy (1883) was under Lord Ripon.
Q131প্রশ্ন খুলুন
Which treaty was signed after the Battle of Buxar?
1. The Treaty of Allahabad
2. The Treaty of Sugauli
3. The Treaty of Bassein
4. The Treaty of Salbai
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) The Treaty of Allahabad
ব্যাখ্যা
After Buxar (1764), Clive signed the Treaty of Allahabad (1765) with Shah Alam II and Shuja-ud-Daula.
- (A) সঠিক
  Correct: signed in 1765, giving the Company the Diwani of Bengal, Bihar, Orissa.
- (B) ভুল
  Wrong: ended the Anglo-Nepal War (1816).
- (C) ভুল
  Wrong: with the Peshwa (1802).
- (D) ভুল
  Wrong: ended the First Anglo-Maratha War (1782).
Q132প্রশ্ন খুলুন
In which year did the Dutch East India Company establish its factory at Patna?
1. 1635
2. 1632
3. 1643
4. 1648
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) 1632
ব্যাখ্যা
The Dutch factory at Patna (1632), trading in saltpetre and textiles, later housed the Patna Collectorate.
- (A) ভুল
  Wrong: not the year.
- (B) সঠিক
  Correct: the Dutch set up their Patna factory in 1632.
- (C) ভুল
  Wrong: not the year.
- (D) ভুল
  Wrong: not the year.
Q133প্রশ্ন খুলুন
In which movement did Mahatma Gandhi first use the hunger strike as a weapon?
1. Non-Cooperation Movement
2. Bardoli Satyagraha
3. Ahmedabad (mill) strike
4. Rowlatt Satyagraha
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Ahmedabad (mill) strike
ব্যাখ্যা
In March 1918 Gandhi fasted to support Ahmedabad mill workers, winning a 35% wage increase.
- (A) ভুল
  Wrong: later (1920–22).
- (B) ভুল
  Wrong: led by Vallabhbhai Patel (1928).
- (C) সঠিক
  Correct: Gandhi's first hunger strike was during the 1918 Ahmedabad mill strike.
- (D) ভুল
  Wrong: came after (1919).
Q134প্রশ্ন খুলুন
During the Quit India Movement of 1942, leaders of Bihar made a significant contribution. Which prominent Bihar leader was known as 'Bihar Kesari' and actively participated in the Quit India Movement?
1. Dr. Rajendra Prasad
2. Shri Krishna Singh
3. Anugrah Narayan Sinha
4. Ram Manohar Lohia
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Shri Krishna Singh
ব্যাখ্যা
Shri Krishna Singh (Sri Babu), the first Chief Minister of Bihar, was called 'Bihar Kesari' and actively participated in the Quit India Movement of 1942. Official key (Series A): B.
- (A) ভুল
  Wrong: known as 'Deshratna', not 'Bihar Kesari'.
- (B) সঠিক
  Correct: known as 'Bihar Kesari'; he took an active part in the Quit India Movement.
- (C) ভুল
  Wrong: known as 'Bihar Vibhuti'.
- (D) ভুল
  Wrong: a socialist leader from UP, not 'Bihar Kesari'.
Q135প্রশ্ন খুলুন
In response to the mass agitation of the Champaran Movement, the British Government took which step?
1. Appointed Mahatma Gandhi as Governor of Champaran
2. Enforced strict curfew and imposed martial law
3. Instituted the Champaran Agrarian Committee
4. Declared Champaran an independent state
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Instituted the Champaran Agrarian Committee
ব্যাখ্যা
The committee's report led to the Champaran Agrarian Act, 1918, abolishing the tinkathia system.
- (A) ভুল
  Wrong: never happened.
- (B) ভুল
  Wrong: not the response.
- (C) সঠিক
  Correct: the government set up the Champaran Agrarian Enquiry Committee (1917) with Gandhi as member.
- (D) ভুল
  Wrong: never happened.
Q136প্রশ্ন খুলুন
Match List-I with List-II: a. Servants of India Society b. Tattvabodhini Sabha c. Atmiya Sabha 1. Debendranath Tagore 2. Gopal Krishna Gokhale 3. Ram Mohan Roy 4. Keshab Chandra Sen
1. a-2, b-1, c-3
2. a-2, b-4, c-3
3. a-1, b-2, c-3
4. a-1, b-4, c-3
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) a-2, b-1, c-3
ব্যাখ্যা
Gokhale founded the Servants of India Society (1905); Debendranath Tagore the Tattvabodhini Sabha (1839); Ram Mohan Roy the Atmiya Sabha (1815).
- (A) সঠিক
  Correct: Gokhale (1905), Debendranath Tagore (1839), Ram Mohan Roy (1815).
- (B) ভুল
  Wrong: Tattvabodhini Sabha was Debendranath's.
- (C) ভুল
  Wrong: Servants of India was Gokhale's.
- (D) ভুল
  Wrong: a and b are wrong.
Q137প্রশ্ন খুলুন
Ambabai, a woman freedom fighter, belonged to which state?
1. Kerala
2. Andhra Pradesh
3. Karnataka
4. Madhya Pradesh
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Karnataka
ব্যাখ্যা
Ambabai of Karnataka took part in the Civil Disobedience Movement and was imprisoned.
- (A) ভুল
  Wrong: not her state.
- (B) ভুল
  Wrong: not her state.
- (C) সঠিক
  Correct: Ambabai of Udupi (Karnataka) was jailed for picketing and Khadi work.
- (D) ভুল
  Wrong: not her state.
Q138প্রশ্ন খুলুন
Who among the following was NOT a member of the Cabinet Mission?
1. Pethick-Lawrence
2. A.V. Alexander
3. J. Andrew
4. None of them
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) J. Andrew
ব্যাখ্যা
The Cabinet Mission (1946): Lord Pethick-Lawrence, Sir Stafford Cripps and A.V. Alexander.
- (A) ভুল
  Wrong: he led the mission.
- (B) ভুল
  Wrong: a member.
- (C) সঠিক
  Correct: he was not a member.
- (D) ভুল
  Wrong: J. Andrew was not a member.
Q139প্রশ্ন খুলুন
"The Indian National Congress was founded on the basis of the safety-valve theory, to protect the British Government from threats." Which leader said this?
1. C. Rajagopalachari
2. Lala Lajpat Rai
3. Bipin Chandra Pal
4. None of them
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Lala Lajpat Rai
ব্যাখ্যা
Lala Lajpat Rai argued A.O. Hume founded the Congress as a safety valve to protect British rule.
- (A) ভুল
  Wrong: not associated with this view.
- (B) সঠিক
  Correct: he advanced the safety-valve view in Young India (1916).
- (C) ভুল
  Wrong: not the leader credited.
- (D) ভুল
  Wrong: Lajpat Rai is correct.
Q140প্রশ্ন খুলুন
At which session of the Indian National Congress were resolutions on Fundamental Rights passed for the first time?
1. Surat Session, 1907
2. Gaya Session, 1922
3. Karachi Session, 1931
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Karachi Session, 1931
ব্যাখ্যা
The Karachi session (1931, president Vallabhbhai Patel) passed the Fundamental Rights and Economic Programme resolution drafted by Nehru.
- (A) ভুল
  Wrong: known for the Moderate–Extremist split.
- (B) ভুল
  Wrong: known for the Swarajist debate.
- (C) সঠিক
  Correct: the Karachi session adopted the resolution on Fundamental Rights and Economic Policy.
- (D) ভুল
  Wrong: Karachi is correct.
Q141প্রশ্ন খুলুন
In a certain code language, 'GAME' is written as '$+*%' and 'BEAD' is written as '#%+x'. How will 'MADE' be written in that code language?
1. $+x%
2. *+$%
3. *+x%
4. #+x%
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) *+x%
ব্যাখ্যা
From GAME: G=$, A=+, M=*, E=%; from BEAD: B=#, D=x. So MADE = *+x%.
- (A) ভুল
  Wrong: $ stands for G, not M.
- (B) ভুল
  Wrong: D is x, not $.
- (C) সঠিক
  Correct: M = *, A = +, D = x, E = %.
- (D) ভুল
  Wrong: # stands for B.
Q142প্রশ্ন খুলুন
Q travels East. M travels North. S and T travel in opposite directions. T travels towards the right of Q. Which of the following is definitely true?
1. M and S travel in opposite directions
2. S travels towards West
3. T travels towards North
4. M and S travel in the same direction
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) M and S travel in the same direction
ব্যাখ্যা
Facing East, right is South: T → South, so S → North, which is M's direction.
- (A) ভুল
  Wrong: S goes North, same as M.
- (B) ভুল
  Wrong: S goes North.
- (C) ভুল
  Wrong: T goes South.
- (D) সঠিক
  Correct: right of East-facing Q is South, so T goes South and S North, same as M.
Q143প্রশ্ন খুলুন
Ramesh owns a 100 sq yd plot and acquires 10% more from his neighbour Suresh, who also owns 100 sq yd. After 2 years, Ramesh sells back 10% of his total plot to Suresh. Which of the following is correct?
1. Ramesh's land is more than Suresh's
2. Suresh's land is more than Ramesh's
3. Both are equal
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Suresh's land is more than Ramesh's
ব্যাখ্যা
Ramesh 100 → 110 → 99; Suresh 100 → 90 → 101. Suresh has more.
- (A) ভুল
  Wrong: Ramesh ends with 99, Suresh 101.
- (B) সঠিক
  Correct: Ramesh: 110 − 11 = 99; Suresh: 90 + 11 = 101.
- (C) ভুল
  Wrong: they differ by 2 sq yd.
- (D) ভুল
  Wrong: option B is correct.
Q144প্রশ্ন খুলুন
Find the odd pair among the following options.
1. Millinery : Hats
2. Brewery : Alcohol
3. Stationery : Paper
4. Snobbery : Shoes
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Snobbery : Shoes
ব্যাখ্যা
Each pair links a trade/place with its product, except snobbery, which means arrogance.
- (A) ভুল
  Wrong: millinery is hat-making.
- (B) ভুল
  Wrong: a brewery makes beer/alcohol.
- (C) ভুল
  Wrong: stationery includes paper goods.
- (D) সঠিক
  Correct: snobbery is an attitude, unrelated to shoes.
Q145প্রশ্ন খুলুন
What should come in place of the question mark (?) in the series 132, 156, ?, 210, 240, 272?
1. 196
2. 182
3. 199
4. 204
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) 182
ব্যাখ্যা
Terms are n(n+1): 11×12, 12×13, 13×14, 14×15, 15×16, 16×17.
- (A) ভুল
  Wrong: differences must be 24, 26, 28, 30, 32.
- (B) সঠিক
  Correct: 156 + 26 = 182; also 13 × 14 = 182.
- (C) ভুল
  Wrong: does not fit.
- (D) ভুল
  Wrong: does not fit.
Q146প্রশ্ন খুলুন
Select the missing number from the given alternatives: 44 49 37 52 ? 41 58 35 53
1. 56
2. 77
3. 66
4. 63
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) 77
ব্যাখ্যা
In each row, the middle number equals 7 times the difference of the outer numbers.
- (A) ভুল
  Wrong: (52 − 41) × 7 = 77, not 56.
- (B) সঠিক
  Correct: middle = (first − third) × 7: (44−37)×7 = 49, (58−53)×7 = 35, (52−41)×7 = 77.
- (C) ভুল
  Wrong: does not fit the pattern.
- (D) ভুল
  Wrong: does not fit the pattern.
Q147প্রশ্ন খুলুন
Statement: In a one-day cricket match, a team scored 200 runs, of which 160 were made by spinners. Conclusions: 1. 80% of the team consisted of spinners. 2. The opening batsmen were spinners.
1. Only 1 follows
2. Only 2 follows
3. Both 1 and 2 follow
4. Neither 1 nor 2 follows
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Neither 1 nor 2 follows
ব্যাখ্যা
The share of runs tells us nothing about team composition or batting order.
- (A) ভুল
  Wrong: 80% of runs does not mean 80% of players.
- (B) ভুল
  Wrong: nothing is said about openers.
- (C) ভুল
  Wrong: neither follows.
- (D) সঠিক
  Correct: the statement gives only the share of runs.
Q148প্রশ্ন খুলুন
In a code language, GREAT is written as 718222620 and MONK as 13121411. How will VIGOROUS be written?
1. 22187121812619
2. 21177121811619
3. 22187131813620
4. 21187111711620
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) 22187121812619
ব্যাখ্যা
G7 R18 E22 A26 T20 and M13 O12 N14 K11 show vowels coded by reverse alphabet position (27 − n).
- (A) সঠিক
  Correct: consonants keep their position; vowels take reverse position: V22 I18 G7 O12 R18 O12 U6 S19.
- (B) ভুল
  Wrong: V is 22, not 21.
- (C) ভুল
  Wrong: O is 12 and S is 19.
- (D) ভুল
  Wrong: does not follow the rule.
Q149প্রশ্ন খুলুন
Find the odd one among the following groups: Q,W,Z,B; B,H,K,M; W,C,G,J; M,S,V,X
1. Q,W,Z,B
2. M,S,V,X
3. W,C,G,J
4. B,H,K,M
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) W,C,G,J
ব্যাখ্যা
Three groups follow the gaps +6, +3, +2; W,C,G,J does not.
- (A) ভুল
  Wrong: follows +6, +3, +2.
- (B) ভুল
  Wrong: follows +6, +3, +2.
- (C) সঠিক
  Correct: W→C is +6 but C→G is +4 and G→J is +3, breaking the pattern.
- (D) ভুল
  Wrong: follows +6, +3, +2.
Q150প্রশ্ন খুলুন
Four branches of a company are at M, N, O and P. M is 4 km north of N; P is 2 km south of O; N is 1 km south-east of O. What is the distance between M and P?
1. 5.34 km
2. 6.74 km
3. 28.5 km
4. None of the above
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) 5.34 km
ব্যাখ্যা
Horizontal gap = 1/√2 ≈ 0.707 km; vertical gap = 4 − 0.707 + 2 = 5.293 km; distance ≈ 5.34 km.
- (A) সঠিক
  Correct: with O at origin, N = (0.707, −0.707), M = (0.707, 3.293), P = (0, −2); MP = √(0.5 + 28.02) ≈ 5.34 km.
- (B) ভুল
  Wrong: too large.
- (C) ভুল
  Wrong: this is roughly MP², not MP.
- (D) ভুল
  Wrong: 5.34 km is correct.

নিজেকে যাচাই করতে প্রস্তুত?

ঘড়ির বিপরীতে সব 150টি প্রশ্নের উত্তর দিন এবং স্কোর দেখুন।

সময়বদ্ধ টেস্ট শুরু করুন

BPSC – Combined Competitive Examination Prelims 2023: উত্তরসহ প্রশ্ন

Which of the following technologies will be enabled by 5G mobile communication networks? 1. Internet of Things 2. Edge Computing 3. Network Slicing

Match List-I (Space Mission) with List-II (Exploration): a. Cassini-Huygens b. Juno c. Artemis d. VERITAS 1. Jupiter 2. Saturn and its rings 3. Venus 4. Human spaceflight – Moon to Mars

Match List-I (Cloth/Fibre) with List-II (Origin): a. Linen b. Coir c. Mohair d. Down 1. Coconut plant 2. Flax plant 3. Feathers of duck and geese 4. Angora goat

Which of the following are computer languages? 1. Cobra 2. Python 3. Squirrel 4. Java

What is the full form of GPT in ChatGPT, recently seen in the news?

Which of the following are NOT tastes of the tongue? 1. Sweet 2. Bitter 3. Salty 4. Spicy 5. Umami 6. Sour 7. Pungent

Which of the following pairs are correctly matched? 1. Anorexia : Sleep disorder 2. Insomnia : Eating disorder 3. Dyspnoea : Shortness of breath 4. Anosmia : Partial or full loss of smell

In the universe, what are pulsars?

In the context of lab-grown diamonds (LGDs), what is used as the starting carbon material ('seed')?

What is the fibre used to make bulletproof jackets?

What is/are the full form(s) of HMX? 1. High Melting Explosive 2. High-Density Monoatomic Xenon 3. Hedge Monetizing Xeno-currency 4. Her Majesty's Explosive

What is the name of Tesla's humanoid robot unveiled in 2022?

What was the 'Manhattan Project'?

The image formed by a concave mirror is real, inverted and of the same size as the object. The position of the object should be:

A photoelectric cell is a device which:

In chemistry, the amount of solute present per unit volume or per unit mass of the solution/solvent is known as:

How do COVID vaccines stimulate an immune response?

Which of the following liquids is a bad conductor of electricity?

The double-helix structure of DNA was discovered by:

Two objects of different masses falling freely near the surface of the Moon would:

How do vector vaccines work to provide immunity?

The process that continually adds new crust is:

The theory that states 'pieces of the Earth's crust are in constant, slow motion driven by movement in the mantle' is called:

What is the expanded form of 'mRNA', widely discussed since the beginning of the pandemic?

An AC current can be produced by:

Current density is:

What is the basis of the most useful classification of medicines for medicinal chemists?

Which of the following slows down the rate of a reaction?

Input (sensory) and output (motor) nerves meet at the:

In the context of 'shipwreck tourism', shipwrecks in Indian waters have been explored at Sunchi Reef, Amee Shoals and Grande Island. Where are these locations?

The G20 members represent: 1. around 85% of global GDP 2. about 50% of global trade 3. about two-thirds of the world population Which of the above statistics is/are correct?

Who was the head of Russia's Wagner mercenary group?

The Global Gender Gap Report is released by:

Which one of the following statements regarding Queen Elizabeth II of the United Kingdom is correct?

What was the theme of DefExpo 2022, held in Gujarat?

The three-day Thadingyut festival is celebrated in which country?

'Net metering' is sometimes seen in the news in the context of promoting:

Match List-I (Colour) with List-II (Combination): a. Magenta b. Teal c. Mauve d. Cyan 1. Green and blue 2. Red and blue 3. Blue, green and white 4. Blue, red and white

What is the name of the deep-sea submersible that imploded during a voyage to the Titanic wreck?

Match List-I (Footwear/Fashion Accessory) with List-II (Description): a. Beret b. Stilettos c. Aviators d. Chignon e. Brogue 1. A type of men's footwear 2. A type of sunglasses 3. A type of hat 4. A type of women's footwear 5. A type of hairstyle

Where did former US President Barack Obama give his much-discussed interview (to CNN, June 2023)?

In the context of sports, which of the following pairs are correctly matched? 1. Flushing Meadows : French Open 2. Venus Rosewater Dish : Wimbledon Trophy (Women) 3. Roland Garros : US Open 4. Australian Open (Women) : Daphne Akhurst Memorial Cup

The Ministry of Home Affairs completed the Mother Tongue Survey of India (MTSI) in November 2022 with field videography of how many of the country's languages?

Which state government set up a State-Level Committee for Vulture Conservation, as proposed by the national action plan for vultures?

Ten captive-bred Asian Giant Tortoises (Manouria emys) were recently released into which National Park?

Which country recently reaffirmed Arunachal Pradesh as an integral part of India?

India's Rudrankksh Balasaheb Patil won which medal in the men's 10 m air rifle at the ISSF World Championship in Cairo?

The National Education Policy, 2020 emphasises integrating vocational education into mainstream education from which grade onwards?

India signed the Economic Cooperation and Trade Agreement (ECTA) with which country?

The Plain Language Act, requiring officials to use simple, easily understood English in official documents and websites, was recently passed by which country?

Fossils of Tillyardembiids, among the world's earliest plant pollinators, were recently discovered in which country?

The 'Lisbon Declaration', which made headlines, is associated with the conservation of which entity?

Which of the following animals was not known to the people of the Indus Valley Civilisation?

Which of the following is not a UNESCO World Heritage Site?

The concept of Directive Principles of State Policy in the Indian Constitution was borrowed from the Constitution of:

Sikkim became a full-fledged State of the Indian Union in:

Which of the following currencies is the costliest (highest value)?

The Bihar Government planned to make the state 'pollution-free' by reducing carbon emissions by which year?

In Indian art, the construction of 'Stupa', 'Chaitya' and 'Vihara' is related to:

In the context of Indian handicrafts, what is 'Sujini' of Bihar?

Which port was called 'Bab-ul-Makka' (Gate of Mecca) during the Mughal period?

'Ashta Pradhan' was a Council of Ministers in the:

The painting of 'Bodhisattva Padmapani' is located at:

Consider the following statements: 1. Fa-Hien was a Chinese pilgrim who visited India during the reign of Harsha. 2. Hiuen Tsang was a Chinese Buddhist monk who visited India during the reign of Chandragupta II. Which of the above statements is/are correct?

Match List-I with List-II: a. Charaka b. Brahmagupta c. Varahamihira d. Vishakhadatta 1. Mathematics 2. Medicine 3. Playwright 4. Astrology

Who among the following introduced the Persian festival of Nowruz in India?

Nathpanthis, Siddhas and Yogis made devotional religion popular in:

Consider the following statements regarding Wood's Despatch of 1854: 1. It recommended English as the medium of instruction for higher studies. 2. It laid stress on female education and vocational training. Which of the above statements is/are correct?

The Maithili language started to develop during the reign of which of the following?

Which city served as the capital of the ancient kingdom of Magadha in the early period?

Which of the following statements about the Vernacular Press Act is/are correct? 1. It was enacted by Lord Lytton. 2. It came to be known as the 'Gagging Act'. 3. The Act was repealed by Lord Ripon.

Nitisara, an early book on politics, was written by:

Futuhat-i-Alamgiri was written by:

According to a Chinese source, Meghavarman, the ruler of Sri Lanka, sent a mission to which Gupta king for permission to build a Buddhist monastery at Gaya?

When was Bihar first separated from the Bengal Presidency in British India?

Match List-I (Explorer) with List-II (Birthplace): a. Christopher Columbus b. Jacques Cartier c. Sir Francis Drake d. Ferdinand Magellan 1. Portugal 2. United Kingdom 3. Italy 4. France

The emirates of the UAE are:

The Subarnarekha river originates near which village?

Which of the following National Parks/Wildlife Sanctuaries are in Bihar? 1. Valmiki National Park 2. Dudhwa National Park 3. Gajner Wildlife Sanctuary 4. Bhimbandh Wildlife Sanctuary