Question

Due to which of the following reasons dolphin is classified as a mammal?

i) It gives birth to its young ones.

ii) It lives in water.

iii) It suckles in young.

iv) It breathes through gills.

• A. Only (iii) and (iv)
• B. Only (i) and (ii)
• C. Only (i) and (iii)
• D. (i), (ii), (iii) and (iv)

Answer 1

The correct option is C Only (i) and (iii)

The mammals are characterised by the ability to give live birth to the young ones. They suckle or nurture the growing young ones till they become independent. These are the known features of the mammals and so the dolphin is classified in the mammalian group.

Thus, the correct answer is option C.