Q155 / 180 · NEET 2015 (Phase 2) · Zoology

Which of the following event is not associated with ovulation in human female?

  • A
    Full development of Graafian follicle
  • B
    Release of secondary oocyte
  • C
    LH surge
  • Correct answer
    D
    Decrease in estradiol

Solution

Ovulatory phase/Pre-luteal/Post-follicular: During this phase, ovulation takes place. It usually occurs on the 14th day of the cycle of 28 days menstrual cycle. The mature Graafian follicle ruptures due to LH secreted by the pituitary. Due to LH surge, the Graafian follicle ruptures and releases the secondary oocyte in the abdominal cavity.

Hence, the correct answer is option: 'D'.

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