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Solution


Q.

Which of the following events is not associated with ovulation in human female                [2015]
1 Release of secondary oocyte  
2 LH surge  
3 Decrease in estradiol  
4 Full development of Graafian follicle  

Ans.

(3)

In human females, ovulation is the release of secondary oocyte from the ovary at about 14th day of the menstrual cycle. Both LH and FSH attain a peak level during this period. Rapid secretion of LH induces rupturing of fully developed Graafian follicle and thereby release of ovum. LH surge is actually responsible for ovulation.