Question

What is/are the function(s) of the scales present on fish?

• A. They reduce body weight.
• B. They prevent rotting and decaying.
• C. They help in changing direction.
• D. They help in oxygen absorption.

Answer 1

The correct option is B

They prevent rotting and decaying.

The entire body of a fish is covered with waterproof scales which form the exoskeleton of the animal. These scales protect the fish from rotting and decaying.