State very briefly the chief function of each of the following :

(i) Seminal vesicles

(ii) Prostate gland

(iii) Cowper's gland

(iv) Sperm duct (vas deferens)

State whether the following statements are True (T) or False (F):

(i) One egg is released from each of the two ovaries every month.

(ii) The enlarged mature follicle bursts to release the egg.

(iii) The egg is passed down through the oviduct by muscular contractions.

(iv) Clitoris is equivalent to the male penis.

(v) The vagina is a muscular tube.

Name the three main regions of the human sperm, and briefly mention the function of each.

Name the following :

(i) Three accessory glands of human male reproductive system.

(ii) Two hormones secreted from placenta.

(iii) Two types of twins.

(iv) Two layers of the wall of uterus.