Match the following columns:

Column-$I$	Column-$II$
$(1)$ Placenta	$(a)$ Stimulates uterine contraction for parturition
$(2)$ $hPL$	$(b)$ Provides nutrition to the embryo
$(3)$ Relaxin	$(c)$ Antibody in colostrum
$(4)$ $IgA$	$(d)$ Hormone secreted by placenta

Identify the correct labeling in the diagram of a human ovary.

Adolescence is a bridge linking .......... and .......... .
$(i)$ Adolescence $(ii)$ Childhood $(iii)$ Old age $(iv)$ Adulthood

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)

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 . . . . . .

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