Question

Hairs occur in all mammals except those of the order:

• A. Chiroptera
• B. Rodentia
• C. Cetacea
• D. Primates

Answer 1

The correct option is C Cetacea

Cetacea is an order of animals that comes under the class Mammalia. It includes whales, dolphins, porpoises etc. These animals are adapted to aquatic life with fish-shaped bodies and broad, paddle-like forelimbs (called flippers). Posterior limbs are absent, many have a thick layer of blubber under the skin which is usually smooth and devoid of hairs. They are very intelligent animals.

So, the correct answer is option C.