Assertion: Brown algae vary from olive green to brown in colour.
Reason: Fucoxanthin is responsible for color variation in brown algae

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

A

Explanation

Brown algae very in colour from olive green to various shades of brown depending upon the amount of the xanthophyll pigment, fucoxanthin present in them.