Male Reproductive System
MCQs : Gametogenesis & Spermatogenesi
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1. Formation of gametes is called:
(a) Fertilisation
(b) Implantation
(c) Gametogenesis
(d) Spermiation
2. Spermatogenesis occurs in the:
(a) Ovary
(b) Epididymis
(c) Seminiferous tubules
(d) Vas deferens
3. Spermatogenesis begins at:
(a) Birth
(b) Childhood
(c) Puberty
(d) Old age
4. Spermatogonia are:
(a) Haploid cells
(b) Diploid cells
(c) Polyploid cells
(d) Enucleated cells
5. Number of chromosomes in spermatogonia is:
(a) 23
(b) 46
(c) 44
(d) 22
6. Primary spermatocytes undergo:
(a) Mitosis
(b) Binary fission
(c) Meiosis I
(d) Budding
7. Secondary spermatocytes are:
(a) Diploid
(b) Haploid
(c) Triploid
(d) Tetraploid
8. Number of chromosomes in spermatids is:
(a) 46
(b) 44
(c) 23
(d) 92
9. Transformation of spermatids into sperms is called:
(a) Spermiation
(b) Spermiogenesis
(c) Fertilisation
(d) Implantation
10. Release of sperms from seminiferous tubules is called:
(a) Spermiogenesis
(b) Spermatolysis
(c) Spermiation
(d) Insemination
11. GnRH is secreted by the:
(a) Pituitary gland
(b) Testis
(c) Hypothalamus
(d) Thyroid gland
12. GnRH stimulates the release of:
(a) Estrogen and progesterone
(b) LH and FSH
(c) Testosterone and insulin
(d) Oxytocin and prolactin
13. LH acts on:
(a) Sertoli cells
(b) Spermatids
(c) Leydig cells
(d) Epididymis
14. Leydig cells secrete:
(a) Estrogen
(b) Progesterone
(c) Androgens
(d) Oxytocin
15. FSH acts on:
(a) Leydig cells
(b) Sertoli cells
(c) Sperms
(d) Prostate gland
16. The cap-like structure on sperm head is:
(a) Tail
(b) Neck
(c) Acrosome
(d) Centriole
17. Acrosome contains:
(a) Hormones
(b) Enzymes
(c) DNA only
(d) Ribosomes
18. Middle piece of sperm contains numerous:
(a) Nuclei
(b) Ribosomes
(c) Mitochondria
(d) Vacuoles
19. Energy for sperm motility is produced by:
(a) Acrosome
(b) Tail
(c) Mitochondria
(d) Nucleus
20. Seminal plasma along with sperms forms:
(a) Urine
(b) Semen
(c) Plasma
(d) Lymph