Reproductive System MCQs with Answers
1. Sperms produce an enzymatic substance for dissolving egg covering is called as:
Hyaluronidase
2. Ovulation or release of ovum occurs on which day of the menstrual cycle:
12-14 days
3. Menstruation results in the discharge of:
Endometrial lining
4. Which one of the following is the precise site of embryonic implantation in a normal pregnancy:
Endometrium
5. Follicular atresia is:
Degeneration of follicles till puberty
6. Which of the following group of cells in the male gonad represent haploid cells:
Secondary spermatocyte
7. The shortest phase in the menstruation cycle of women is:
Ovulatory phase
8. Which gland releases a small amount of liquid just prior to ejaculation to decrease acidity in the urethra caused by urine:
Bulbourethral gland
9. The head of mature sperms is made up of:
Nucleus, acrosome, cytoplasm, and mitochondrial sheath
10. Hormones secreted by the human placenta include:
Human chorionic gonadotropin hormone, Oestrogen, progesterone, Relaxin
11. Menopausal hot flushes are due to:
Decreased estrogen
12. The cells of the interstitial compartment of the testis:
Are unable to function unless the testis descends into the scrotum
13. The hormone testosterone is secreted by:
Interstitial cells
14. The acrosome of the sperm contains:
Enzymes
15. The cytoplasmic part of the sperm cell is the:
Head
16. Testosterone causes:
Sperms to become motile
17. Human spermatozoa:
Contains 23 chromosomes
18. Synthesis of testosterone is by:
Interstitial cells
19. Spermatogenesis is facilitated by:
Sertoli cells
20. Flagellum is which structure of the sperm:
Tail
21. The speed velocity of sperm is about:
1 to 4 mm/min
22. The acrosome of the sperm has enzymes:
Proteolytic enzymes
23. The condition of failure of a testis to descend from the abdomen to the scrotum is called:
Cryptorchism
24. Spermatogenesis is the maturation of:
Sperms
25. ---------- maintains the pregnancy:
Progesterone
26. A specialized inner mucous membrane of the uterus is:
Endometrium
27. Nutrition & Respiration to the embryo is maintained by:
Placenta
28. Maturation and development of the ovarian follicles is regulated by:
FSH
29. Ovulation occurs under the influence of:
LH
30. Characteristic histological variation in females' life occurs only in:
Ovary
31. Cyclical discharge of blood from the uterus in females' reproductive life is called:
Menstruation
32. The process of rupture of Graafian follicle is:
Ovulation
33. Ovulation occurs usually between--------- after the 1st day of menstruation:
13 & 14 days
34. The mechanism that determines the location of the blastocyst is called:
Implantation
35. ------- days after ovulation an implantation occurs:
7 & 9
36. Estrogen & progesterone are ---------- hormones:
Ovarian
37. Gonadotropins FSH & LH are secreted by:
Anterior pituitary
38. The active principal of the corpus luteum is:
Progesterone
39. Permanent cessation of menstruation is called:
Menopause
40. All the nutrients from the maternal blood pass into the fetus through:
Placenta
41. At the beginning of lactation, the secretion of the mammary gland is called:
Colostrum
42. The process of maintenance of lactation is controlled by:
Prolactin
43. ------ is for the milk let-down reflex:
Oxytocin
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