Describe the location and function of the following: Placenta and Acrosome.

Secretion of progesterone by the corpus luteum is initiated by

Match the following columns and select the correct option.

Column-$I$	Column-$II$
$(a)$ Placenta	$(i)$ Androgens
$(b)$ Zona pellucida	$(ii)$ Human Chorionic Gonadotropin $(hCG)$
$(c)$ Bulbo-urethral glands	$(iii)$ Layer of the ovum
$(d)$ Leydig cells	$(iv)$ Lubrication of the Penis

Identify True/False statements. Correct each false statement to make it true.
$(a)$ Androgens are produced by Sertoli cells. (True/False)
$(b)$ Spermatozoa get nutrition from Sertoli cells. (True/False)
$(c)$ Leydig cells are found in ovary. (True/False)
$(d)$ Leydig cells synthesise androgens. (True/False)
$(e)$ Oogenesis takes place in corpus luteum. (True/False)
$(f)$ Menstrual cycle ceases during pregnancy. (True/False)
$(g)$ Presence or absence of hymen is not a reliable indicator of virginity or sexual experience. (True/False)

The eggs of an elephant are:

Some important events in the human female reproductive cycle are given below. Arrange the events in a proper sequence. $A \rightarrow$ secretion of $FSH$,$B \rightarrow$ growth of corpus luteum,$C \rightarrow$ growth of the follicle and oogenesis,$D \rightarrow$ ovulation,$E \rightarrow$ sudden increase in the level of $LH$.