NEET Zoology Menstrual Cycle MCQ Question
Which of the following statements correctly describe the events of the menstrual cycle?
The menstrual phase involves the breakdown of the endometrial lining and lasts for 3-5 days.
The follicular phase begins with ovulation and is marked by the peak secretion of progesterone.
LH and FSH levels peak around the 14th day, triggering ovulation.
Menstruation occurs only if the released ovum is fertilized, otherwise it does not take place.
Correct Answer
Detailed Explanation
Statement A is correct as the menstrual phase does involve the breakdown of the endometrial lining and lasts for 3-5 days. Statement B is incorrect because the follicular phase precedes ovulation, and progesterone peaks during the luteal phase. Statement C is correct as it accurately describes the timing of LH and FSH levels. Statement D is incorrect because menstruation occurs only if the ovum is not fertilized.
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