Human Reproduction MCQs for NEET — Zoology Questions with Answers

The NCERT mentions, 'The human male ejaculates about 200 to 300 million sperms during a coitus of which, for normal fertility, at least 60 per cent sperms must have normal shape and size and at least 40 per cent of them must show vigorous motility.'

The NCERT explicitly states, 'A large number of these follicles degenerate during the phase from birth to puberty. Therefore, at puberty only 60,000-80,000 primary follicles are left in each ovary.'

The NCERT states, 'Sperms released from the seminiferous tubules, are transported by the accessory ducts. Secretions of epididymis, vas deferens, seminal vesicle and prostate are essential for maturation and motility of sperms.'

From the exercise fill-in-the-blanks, it's clarified that 'Male and female gametes are haploid' and 'Zygote is diploid'.

The general introduction to human reproduction states: 'The reproductive events in humans include formation of gametes (gametogenesis), i.e., sperms in males and ovum in females'.

The NCERT states, 'Each spermatogonium is diploid and contains 46 chromosomes. Some of the spermatogonia called primary spermatocytes periodically undergo meiosis.' A diploid cell is represented as $2n$, with 46 chromosomes in humans.

Corpus luteum maintains endometrium via progesterone; its degeneration → menstruation.

B wrong (first cycle is menarche, NOT menopause). A, C, D are correct.

Both anatomical statements are accurate per NCERT.

Uterine fundus is part of the uterus, not the Fallopian tube. The tube has infundibulum → ampulla → isthmus.