Question

Assertion : A shark can stay at a desired level in water without swinning.
Reason : It has a bouyancy-regulating organ called as the swim bladder.
A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer 1

Correct Answer - D
Shark is a cartilagenous fish and lack buoyancy regulating organ called Swim bladder. These fishes swim constantly or will sink to the bottom. They cannot stay at a desired level in water without swimming.