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Biology · 2025 · 1 mark
CBSE 2025 · Region 2 · Set 1 · Q13
Assertion (A): Corpus luteum secretes the hormone, progesterone. Reason (R): Hormone Progesterone is essential for maintenance of the endometrium.
Assertion (A) : Corpus luteum secretes the hormone, progesterone.
Reason (R) : Hormone Progesterone is essential for maintenance of the endometrium.
Official answer
(A)
Both (A) and (R) are true and (R) is the correct explanation of (A).
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CBSE Class 12 Biology past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.