The age of puberty in females is........

Match the following columns and select the correct option.

Column $I$	Column $II$
$(a)$ Ovary	$(i)$ Human chorionic Gonadotropin
$(b)$ Placenta	$(ii)$ Estrogen and Progesterone
$(c)$ Corpus luteum	$(iii)$ Androgens
$(d)$ Leydig cells	$(iv)$ Progesterone only

Secretion of progesterone by the corpus luteum is initiated by

Match the hormones listed in List-$I$ with their functions indicated in List-$II$:

List-$I$	List-$II$
$(a)$ $FSH$	$(i)$ Prepares endometrium for implantation
$(b)$ $LH$	$(ii)$ Develops female secondary sexual characters
$(c)$ Progesterone	$(iii)$ Induces uterine wall contraction
$(d)$ Estrogen	$(iv)$ Development of corpus luteum
	$(v)$ Maturation of Graafian follicle

$A$ female of $24$ years age attained puberty at the age of $14$ years. She has two children born by normal delivery. How many polar bodies are formed in her body till date $($each $\text{M.C.}$ is of $30$ days$)$ :-

$I.$ Sperm cells,when released from the body and placed in a petri plate,remain alive for a much longer duration.
$II.$ Semen contains chemicals that cause the female's smooth muscles to contract.