Match the columns.

Column-$I$	Column-$II$
$(a)$ Parturition	$(p)$ Attachment of embryo to endometrium
$(b)$ Gestation	$(q)$ Release of egg from Graafian follicle
$(c)$ Ovulation	$(r)$ Delivery of Foetus from uterus
$(d)$ Implantation	$(s)$ Duration between pregnancy and birth
	$(t)$ Formation of zygote by fusion of egg and sperm

Gynaecomastia condition can develop due to

Which of the following pairs is correct?

Choose the correct pair:

Column-$I$	Column-$II$
$(A)$ Myometrium	$(1)$ Cushion of fatty tissue
$(B)$ Mons pubis	$(2)$ Tiny finger-like structure
$(C)$ Acrosome	$(3)$ External layer of uterus
$(D)$ Prostate gland	$(4)$ Middle thick layer of uterus
	$(5)$ Help in fertilization of ovum

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 . . . . . .

Differentiate between the following:
$1.$ External reproductive characteristics of male and female.
$2.$ Internal reproductive characteristics of male and female.