Class CBSE Class 12 Biology Sexual Reproduction in Flowering Plants Q #1885
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1 Marks AISSCE(Board Exam) MCQ SINGLE
Assertion : Chasmogamous flowers require pollinating agents. Reason : Cleistogamous flowers do not expose their sex organs.
(A) Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(B) Both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
(C) The Assertion is correct but Reason is incorrect.
(D) Both the Assertion and Reason are incorrect.
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Correct 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 another group of plants which set seeds without exposing their sex organs.

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