Assertion : Chasmogamous flowers require pollinating agents
Reason : Cleistogamous flowers do not expose their sex organs.

Options

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

B

Explanation

The majority of angiosperms bear chasmogamous flowers, which means the flowers expose their mature anthers and stigma to the pollinating agents. There is anothere group of plants which set seeds without exposing their sex organs. Such flowers are called cleistogamous and the phenomenon cleistogamy.