Q. Which of the following is/are cetaceans?
1.Dolphins
2.Porpoises
3.Whales
How many of the statements given above are correct?

[A] Only one

[B] Only two

[C] Only three

[D] None

Answer: C
Notes:

Explanation: Dolphins, Porpoises and whales are called cetaceans. A cetacean is a creature belonging to a group of water living mammals that have no hind limbs and a blowhole for breathing.

Source: Shankar IAS

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