LH acts as the `ul((A))` cells and stimulates synthesis of `ul((B))`.

FSH acts on the ul((A)) cells and stimulates secretion of ul((B)) which help in the process of ul((C)) .

FSH acts on the ul((A)) cells and stimulates secretion of ul((B)) which help in the process of ul((C)) .

ul((A)) acts at the leyding cells and stimulates synthesis and secretion of ul((B)) .

ul((A)) acts at the leyding cells and stimulates synthesis and secretion of ul((B)) .

Which of the following statement(s) regarding gametogenesis is/are wrong? I. The spermatogonia multiply by mitotic divison and increase In numbers. II. Gametogenesis occur in gonads. III.LH acts the Leydig cells and stimulates synthesis and secretion of estrogens. IV. Gametogenesis involves the meiotic divison. V. FSH acts on the Sertoli cells and stimulates secretion of androgens.

Assertion: After puberty, the increased levels of GnRH acts at the posterior pituitary and stimulates the secretion of two gonadotropins LH and FSH. Reason: LH acts on the Sertoli cells and FSH acts on the Leyding cells.

The primary sex organs the ul((A)) in the males and the ul((B)) in the females.

The primary sex organs the ul((A)) in the males and the ul((B)) in the females.

Spermatogenesis starts at the age of ul((A)) due to significant increase in the secretion of ul((B)) .