Question

Assertion: Very small animals are rarely found in polar regions.
Reason: Smaller animals have larger area to volume ratio, they tend to lose heat very fast when it is cold outside then they have to expend much energy to generate body heat through metabolism.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Answer 1

Correct Answer - A
Very small animals are raely found in polar regions, as, smaller animals have larger area to volume ratio, they tend to lose heat very fast when it is cold outside. Then they have to expend much energy to generate body heat through metabolism.