$A$: After menopause,the levels of blood gonadotropins rise markedly.
$R$: At the time of menopause,all the ovarian follicles are converted into follicular atresia,and the ovaries do not respond to the gonadotropins.

Assertion : Mammalian ova produces hyaluronidase.
Reason : The eggs of mammal are microlecithal and telolecithal.

$I -$ Sperm,$II -$ Testosterone,$III -$ Relaxin,$IV -$ Ovum,$V -$ Estrogen,$VI -$ Progesterone.
Produced by human males $- P$
Produced by human females $- Q$
$P$ $Q$

Select the odd one out regarding the cells/layers associated with early embryonic development.

Match the columns.

Column $I$	Column $II$
$(a)$ Corpus luteum	$(1)$ Initially in abdominal cavity then in scrotum
$(b)$ Testis	$(2)$ At the anterior part of scrotum in male
$(c)$ Myometrium	$(3)$ Graafian follicle
$(d)$ Penis	$(4)$ Uterus

Fill in the blanks:
$(a)$ Humans reproduce . . . . . . (asexually/sexually)
$(b)$ Humans are . . . . . . (oviparous/viviparous/ovoviviparous)
$(c)$ Fertilization is . . . . . . in humans. (external/internal)
$(d)$ Male and female gametes are . . . . . . (diploid/haploid)
$(e)$ Zygote is . . . . . . (diploid/haploid)
$(f)$ The process of release of the ovum from a mature follicle is called . . . . . .
$(g)$ Ovulation is induced by a hormone called the . . . . . .
$(h)$ The fusion of the male and the female gametes is called . . . . . .
$(i)$ Fertilization takes place in the . . . . . .
$(j)$ The zygote divides to form . . . . . . which is implanted in the uterus.
$(k)$ The structure which provides vascular connection between the fetus and uterus is called . . . . . .