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State PCS PYQPrelims 2023

BPSC – Combined Competitive Examination · Question 87

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
Show answer & explanation

Answer: (D) All of the above

Explanation

The Ganges river dolphin (Susu) is Endangered, nearly blind, uses echolocation and was declared National Aquatic Animal in 2009.

  • (A) Incorrect

    Wrong: statement 3 is also correct.

  • (B) Incorrect

    Wrong: statement 1 is also correct.

  • (C) Incorrect

    Wrong: statement 2 is also correct.

  • (D) Correct

    Correct: all four statements are correct.