MHT CET · BIOLOGY · STD 12 - 2. Reproduction in Lower and Higher Animals

Select the correct statement.

A The follicular phase extends from \(1^{ st }\)to \(13^{\text {th }}\) day in the menstrual cycle.
B In the secretory phase, corpus luteum releases inhibin which stops secretion of FSH.
C Endometrium lining of uterus tends to regenerate towards the end to menstrual phase under the effect of prostaglandins.
D Follicular phase is the longest phase of the menstrual cycle

Verified Solution

Answer & Solution

Correct Answer

(B) In the secretory phase, corpus luteum releases inhibin which stops secretion of FSH.

Step-by-step Solution

Detailed explanation

The corpus luteum releases progesterone, small amount of estrogens and inhibin. Inhibin stops secretion of FSH.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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	Column-I		Column-II
i.	Nutritive layer	a.	Epidermis
ii.	Layer with fibrous thickness	b.	Middle layers
iii.	Protective layer	c.	Tapetum
iv.	Layer that disintegrates in mature anther	d.	Endothecium