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Question 9184
NEET Biology · Hard

Human Reproduction: Cycle regulation MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Cycle regulationHardQuestion 9184

Question

Menstruation begins largely because of the decline of:

  1. A
    Oestrogen and progesterone
    Correct
  2. B
    Growth hormone and insulin
  3. C
    Thyroxine and melatonin
  4. D
    Adrenaline and glucagon

Correct answer

Oestrogen and progesterone

Explanation

Regression of the corpus luteum reduces ovarian steroids, causing the endometrium to break down and shed.

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