Q.

Which of the following hormone levels will cause release of ovum (ovulation) from the Graafian follicle           [2020]

1 High concentration of Estrogen  
2 High concentration of Progesterone  
3 Low concentration of LH  
4 Low concentration of FSH  

Ans.

(1)

FSH, LH and estrogen are at peak during ovulation (release of ovum).