| Consider the following animals. |
| 1. Sea cow |
| 2. Sea horse |
| 3. Sea lion |
| Which of the above is/are mammal/mammals? |
A) Only 1
B) 1 and 3
C) 2 and 3
D) All of these
Correct Answer: B
Solution :
Exp. [b] Mammals are a class of animals, which are differentiated from other classes of animals such as reptiles, birds, fish etc by the presence of hair, three middle ear bones, mammary glands in females among others. While, Sea cow and Sea lion are examples of mammals, Sea horse is a fish.
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