Question
Biology Question on human reproduction
Which of the following statements is correct regarding menstrual cycle?
A
LH induces rupturing of Graafian follicle.
B
Proliferative phase is characterised by the increased production of progesterone.
C
Corpus luteum secretes large amount of estrogen.
D
Both LH and FSH attain a peak level in secretory phase.
Answer
LH induces rupturing of Graafian follicle.
Explanation
Solution
During follicular phase (proliferative phase), follicle stimulating hormone (FSH) secreted by anterior lobe of the pituitary gland stimulates the ovarian follicle to secrete estrogens. Corpus luteum secretes large amount of progesterone in secretory phase. Both LH and FSH attain a peak level in the ovulatory phase.