Assertion : Algae and fungi switch to asexual method of reproduction before the onset of adverse conditions.
Reason : Asexual reproduction may introduce variations and leads to the formation of many clones.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Answer

d

Explanation

During favourable conditions, algae and fungi multiply asexually but during unfavourable conditions gametes are formed. The gametes fuse to form zygotes which often develop a thick wall to become zygospores. The latter are dispersed. Under favourable conditions zygospore germinates to form new organisms. Sexual reproduction induces variations which may help in survival of organism.