Question

Statement 1: Fins are solely responsible for causing movement in fishes.

Statement 2: Fishes have strong muscles covering its skeleton.

• A. Only statement 1 is correct
• B. Only statement 2 is correct
• C. Both the statements are correct
• D. Both the statements are incorrect

Answer 1

The correct option is B Only statement 2 is correct

Fishes have streamlined body which allows easy movement in water. It's skeleton is covered with strong muscles. During swimming, muscles make the front part of the body curve one side while the tail swings in the opposite direction. Then both parts quickly steer opposite to their previous state. This sudden shifts creates a jerk and pushes the fish forward. Fins helps the body to maintain balance and direction of swimming.