Fertilisation of an egg cell means......
$(1)$ End of the process of oogenesis
$(2)$ Induces the completion of the second meiotic division
$(3)$ The corpus luteum degenerates
$(4)$ Signals for maintaining progesterone levels in the blood
$(5)$ Formation of a zygote

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

The period of adolescence is.........

In which of the following is holoblastic cleavage observed?

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 . . . . . .

Match the hormones given in List-$1$ with their functions given in List-$2$.

List-$1$	List-$2$
$(a)$ Oxytocin	$(p)$ Stimulates ovulation
$(b)$ Prolactin	$(q)$ Maintenance of implantation and pregnancy
$(c)$ Luteinizing hormone	$(r)$ Milk secretion after childbirth
$(d)$ Progesterone	$(s)$ Uterine contraction during parturition
	$(t)$ Reabsorption of water by nephrons