CBSE 2026 · Region 1 · Set 1 · Q3 · 1 mark

Select the option that shows correct statements:

(i)

Corpus luteum secretes progesterone.

(ii)

Only FSH attains a peak level in middle of cycle.

(iii)

LH surge induces rupture of graafian follicle.

(iv)

Luteal phase of menstrual cycle is also called proliferative phase. Options:

CBSE Class 12 Biology past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.