15. How will you explain menopause?
A. Menopause is the end of a female's reproductive cycle.
B. Menopause is the beginning of a female's child bearing stage
C. Menopause is the last day of a female's monthly period.
D. Menopause is the period between puberty and before the
menstruation stop

16. How does menstruation begin in a female?
A. It begins when her ovary is able to produce and release mature
egg.
B. It begins by the time she reaches the age of 12
C. It begins at the 28 day of every month.
D. It starts as soon as her reproductive organs become fully developed.

17. Why does blood not clot during menstruation?
A. In case of menstruation, the body does not sense any danger of
blood loss.
B. There is no air in the ovary to cause blood clot.
C. A hormone in the ovary prevents clotting of blood.
D. A protein in the uterine wall tissue, called plasmin, prevents clotting.​