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2.Human Reproduction
medium
Select the incorrect statement.
A
$LH$ and $FSH$ decrease gradually during the follicular phase.
B
$LH$ triggers secretion of androgens from the Leydig cells.
C
$FSH$ stimulates the sertoli cells which help in spermiogenesis.
D
$LH$ 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
