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With reference to the Ganges river dolphins, consider the following statements:
They hunt by emitting ultrasonic sounds.
  • These can only live in freshwater and are essentially blind.
  • It is categorised as Critically Endangered under the IUCN red list.
    Which of the statements given above is/are correct?
    • a)
      1 only
    • b)
      1 and 2 only
    • c)
      1 and 3 only
    • d)
      1, 2 and 3
    Correct answer is option 'B'. Can you explain this answer?
    Most Upvoted Answer
    With reference to the Ganges river dolphins, consider the following s...
    Correct Answer:
    B) 1 and 2 only




    Explanation:

    Ultrasonic Sounds
    - The Ganges river dolphins do hunt by emitting ultrasonic sounds. They use echolocation to locate prey in the murky waters of the river.

    Freshwater Habitat and Blindness
    - The Ganges river dolphins can only live in freshwater. They are essentially blind, relying on sound rather than sight to navigate and hunt in their environment.

    Conservation Status
    - The Ganges river dolphins are categorized as Critically Endangered under the IUCN red list. This indicates that they face an extremely high risk of extinction in the wild.

    Therefore, statements 1 and 2 are correct, while statement 3 is also correct.
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    Community Answer
    With reference to the Ganges river dolphins, consider the following s...
    Statements 1 and 2 are correct: Dolphins are one of the oldest creatures in the world along with some species of turtles, crocodiles and sharks.
    • The Ganges river dolphin was officially discovered in 1801.
    • It is a mammal primarily found in the Ganges and Brahmaputra Rivers and their tributaries in India, Bangladesh and Nepal.
    • The Ganges river dolphin can only live in freshwater and is essentially blind.
    • They hunt by emitting ultrasonic sounds, which bounces off of fish and other prey, enabling them to “see” an image in their mind.
    • They are frequently found alone or in small groups, and generally a mother and calf travel together.
    • The species does not have a crystalline eye lens, rendering it effectively blind. Navigation and hunting are carried out using echolocation. The body is a brownish colour and stocky in the middle.
    Statement 3 is not correct: Ganges River Dolphin is listed as Endangered by IUCN
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    With reference to the Ganges river dolphins, consider the following statements: They hunt by emitting ultrasonic sounds. These can only live in freshwater and are essentially blind. It is categorised as Critically Endangered under the IUCN red list. Which of the statements given above is/are correct?a)1 onlyb)1 and 2 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'B'. Can you explain this answer?
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    With reference to the Ganges river dolphins, consider the following statements: They hunt by emitting ultrasonic sounds. These can only live in freshwater and are essentially blind. It is categorised as Critically Endangered under the IUCN red list. Which of the statements given above is/are correct?a)1 onlyb)1 and 2 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'B'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about With reference to the Ganges river dolphins, consider the following statements: They hunt by emitting ultrasonic sounds. These can only live in freshwater and are essentially blind. It is categorised as Critically Endangered under the IUCN red list. Which of the statements given above is/are correct?a)1 onlyb)1 and 2 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With reference to the Ganges river dolphins, consider the following statements: They hunt by emitting ultrasonic sounds. These can only live in freshwater and are essentially blind. It is categorised as Critically Endangered under the IUCN red list. Which of the statements given above is/are correct?a)1 onlyb)1 and 2 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'B'. Can you explain this answer?.
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