Select incorrect statement.

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2.Human Reproduction

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Select the incorrect statement.

$LH$ and $FSH$ decrease gradually during the follicular phase.

$LH$ triggers secretion of androgens from the Leydig cells.

$FSH$ stimulates the sertoli cells which help in spermiogenesis.

$LH$ triggers ovulation in ovary.

(NEET-2016)

Solution

(a) : During follicular phase $FSH$ secretion increases. Follicular phase (proliferative phase) usually includes cycle days $6-13$ or $14$ in a $28$ days cycle. The follicle stimulating hormone $(FSH)$ secreted by the anterior lobe of the pituitary gland stimulates the ovarian follicle to secrete estrogens.

Standard 12

Biology