NEET Zoology Menstrual Cycle Assertion Reason Question
Assertion (A): Menstruation occurs if the released ovum is not fertilised. | Reason (R): The corpus luteum remains inactive in the absence of fertilisation.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
Menstruation occurs due to the breakdown of the endometrial lining when the ovum is not fertilised. The corpus luteum is actually active after ovulation, secreting large amounts of progesterone which maintains the endometrium.
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