Chemical Coordination and Regulation Question 52
52. The most important component of the oral contraceptive pill is
(a) growth hormone
(b) thyroxine
(c) luteinizing hormone
(d) progesterone
Show Answer
Answer : d
Hints & Solutions
(d) Use of contraceptive pills is a wide spread form of birth control. Contraceptive pills contain estrogen and progesterone. The production of the pituitary hormones FSH & LH in the normal sexual cycle of a female is shut down by these hormones. In the absence of FSH, the ovarian follicles do not ripe and ovulation does not occur in the absence of LH.
