(f) The process of release of ovum from a mature follicle is called __________.

(g) Ovulation is induced by a hormone called __________.

(h) The fusion of male and female gametes is called __________.

(i) Fertilisation takes place in ___________.

(j) Zygote divides to form __________ which is implanted in uterus.

(k) The structure which provides vascular connection between foetus and uterus is called ___________.

97.

Identify True/False statements. Correct each false statement to make it true.

A.

Androgens are produced by Sertoli cells.

B.

Spermatozoa get nutrition from Sertoli cells.

C.

Leydig cells are found in ovary.

D.

Leydig cells synthesise androgens.

E.

Oogenesis takes place in corpus luteum.

F.

Menstrual cycle ceases during pregnancy.

G.

Presence or absence of hymen is not a reliable indicator of virginity or sexual experience.

What is menstrual cycle? Which hormones regulate menstrual cycle?

Name and explain the role of the inner and middle walls of the human uterus.

Women are often blamed for producing female children. Consequently, they are ill-treated and ostracized. How will you address this issue scientifically if you were to conduct an awareness programme to highlight the values involved?