NEET-UG importance

Human reproductive system and gametogenesis is a useful scoring area because questions often test direct NCERT wording, process sequence, and the ability to separate close distractors. Keep the revision tight and practice with explanations after each attempt.

How to practice this topic

Read the NCERT section first, mark definitions and examples, then solve MCQs in short sets. After each wrong answer, rewrite the reason in one line so the concept becomes recallable before a mock test.

Core concepts to revise

Common NEET traps

Example MCQs and explanations

The determinant of gender is

Answer: D. chromosome pattern in the sperm at fertilization

The determinant of gender is determined by the chromosome pattern in the sperm at fertilization, as it determines whether the zygote receives an X or Y chromosome.

Practice this MCQ

Which hormone is most crucial for the occurrence of ovulation during the menstrual cycle?

Answer: C. luteinizing hormone

Luteinizing hormone (LH) triggers the release of an egg from the ovary during the mid-cycle of the menstrual cycle.

Practice this MCQ

If fertilization does not occur, during which phase of the menstrual cycle does the corpus luteum degenerate?

Answer: D. 21st to 25th day

The corpus luteum degenerates during the luteal phase, which is from the 21st to the 25th day of the menstrual cycle if fertilization does not occur.

Practice this MCQ

During which phase of the menstrual cycle does the dominant follicle produce a large amount of estrogen?

Answer: B. 5th to 14th day

The dominant follicle produces a large amount of estrogen during the follicular phase, which spans from the 5th to the 14th day of the menstrual cycle.

Practice this MCQ

During spermatogenesis in mammals, the acrosome reaction occurs in contact with which structure?

Answer: A. zona pellucida

The zona pellucida is the outermost layer of an oocyte that the sperm must penetrate during fertilization. The acrosome reaction in spermatogenesis involves the release of enzymes by the sperm to facilitate penetration through this structure.

Practice this MCQ

Free PDF sample

Get NEET Biology MCQs as a chapter-wise PDF.

Join early access for a free MCQ sample with answers and NCERT-aligned explanations.

Get free PDF

Practice questions