Refer to the given graph showing hormone levels in the blood of an adult female during different phases of menstrual cycle.

Identify hormones P, Q, R and S and select the correct statement regarding them.

Options

A. Hormone P that peaks during phase II of the cycle causes ovulation.
B. Hormone Q that peaks during phase II of the cycle causes repair of endometrium.
C. Hormone S that peaks during phase III of the cycle stimulates secretion of estrogen from the ovary
D. Hormone R is LH and hormone P is progesterone.

Answer

B

Explanation

According to the given graph hormone P, Q, Rand S are follicle stimulating hormone, estrogen, luteinizing hormone and progesterone respectively. Estrogen hormone peaks during phase Il of the menstrual cycle that causes repair of endometrium.