KCET · BIOLOGY · STD 12 - 2. Human Reproduction

Some important events in the human female reproductive cycle are given below. Arrange the events in a proper sequence. A → secretion of FSH, B → growth of corpus luteum. C → growth of the follicle and oogenesis, D → ovulation, E → sudden increase in the level lof LH.

A A → D → C → E → B
B C → A → D → B → E
C B → A → C → D → E
D A → C → E → D → B

Verified Solution

Answer & Solution

Correct Answer

(D) A → C → E → D → B

Step-by-step Solution

Detailed explanation

(D) A → C → E → D → B,
The correct sequence of events in the human female reproductive cycle is:
(A) secretion of FSH, stimulates follicle growth and oogenesis (C), leading to a sudden increase in LH levels (E), which triggers ovulation (D) i.e., release of ovum. Following ovulation, the Graafian follicle transforms into the corpus luteum (B).

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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