Assertion: The estrogen level falls after menopause.
Reason: The estrogen is synthesised and secreted mainly by uterine lining.

Answer

C

Explanation

The estrogen is synthesised and secreted mainly by the growing ovarian folliciles. Menopause is the time in a woman's life when the ovaries cease to produce an egg every month. Therefore, menstruation ceases gradually. This may happen because both the ovaries, by menopause, have run out of ovarian follicles, so, menopasue may begin when no follicles are left in the ovaries without developing follicles, there is a reduced supply of estrogen and progesterone.