Human Reproduction Question 455
Question: Ovulation in mammals is caused by [AIIMS 1990; Wardha 2005]
Options:
A) FSH and TSH
B) FSH and LH
C) FSH and LTH
D) LTH and LH
Show Answer
Answer:
Correct Answer: B
Solution:
Graafian follicle develops under influence of FSH of anterior pituitary.
Its follicular cells secrete estrogen.
Rising level of estrogen decreases production of FSH and stimulates secretion of LH.
The two cause the mature graafian follicle to rise to the ovarian surface and burst open releasing ovum.
BETA
