Consider the following species:

  1. Great white shark
  2. Killer whale
  3. Whale shark

 Which of the above is/are mammal/mammals?

Answer: [B] 2 Only

A shark is not a mammal like whales, nor is it a reptile like alligators. A shark is actually a fish. Killer whale is a mammal. Whale shark is not a mammal.

This question is a part of GKToday's Integrated IAS General Studies Module