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Class 12 Biology Chapter 3 Human Reproduction Quiz 2 (60 MCQs)

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1. Which one of the following is not the function of placenta? It
2. After fertilisation, a woman is pregnant
3. Ovulation is when a/an ..... is released
4. Female gamate is called
5. Where are hormones released from?
6. What fetal structures are responsible for obtaining nutrients and oxygen from the mother?
7. Where does implantation of zygote occur?
8. A period of time when a woman stops going through her menstrual cycle because her body no longer has any eggs is called?
9. An ambulance driver beatingthe time
10. Sex cells, also known as gametes, are produced IN the
11. Among human males, both semen and urine normally travel along the
12. What is implantation?
13. What hormone(s) are responsible for the growth and maturation of the follicle into a mature ovum?
14. What is the function of the penis in human reproduction?
15. In which of the following structures of the female human reproductive system is the zygote implanted during normal human development?
16. Which of the following stages starts the process of embryonic development? (a)
17. What is the role of the utertus?
18. Eggs and 100 sperms can be produced from ..... meiotic divisions respectively
19. The ducts from ampulla through which the milk is sucked out
20. During puberty, ..... grows under the arms and pubic areas.
21. In the human species, fertilisation normally occurs in:
22. Gestation period is human beings is approximately
23. Determine which of the following statement about oogenesis that is true.
24. Which organ helps maintain the homeostasis of the sperm?
25. Egg is liberated from ovary and enters the Fallopian tube in
26. Most of the skeleton of a human embryo is composed of connective tissue known as
27. Which process normally occurs at the placenta?
28. Condoms are one of the most popular contraceptives because of the following reasons.
29. How many chromosomes in a sperm cell?
30. If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from:
31. The human female reproductive cycle is regulated primarily by the
32. Which statement best explains the endocrine system's role in reproduction?
33. Temperature in scrotum necessary for sperm formation should be
34. Which of the following hormones is directly responsible for the release of the ova from the ovary?
35. Cryptorchidism is a condition where
36. Where is the genetic material (DNA) located in the spermatozoa?
37. Puberty is caused by an increased production of
38. Chromosomes no. is halved during
39. The muscular passageway leading to the outside of the body in the female reproductive system is the
40. What is the most common sign of pregnancy?
41. What is considered as the ovulation day for regular menstrual cycle?
42. Bartholin's gland are situated (2003)
43. The ..... is a sac of tissues that holds the testes.
44. The stage in humans when our body undergoes changes that make us sexually mature.
45. What are the specialised sex cells called in sexual reproduction?
46. Define the term implantation
47. An organism that has two different alleles for a trait
48. The release of sperm from the the seminiferous tubules is called
49. During a vasectomy, the ducts responsible for transporting sperm are cut and tied off. What is the name of these ducts?
50. What could happen if a woman releases two eggs at once?
51. In vitro ferilisation is a technique that involves transfer of which one of the following into the fallopian tube?
52. Reproductive organs that produce eggs and hormones
53. TRUE or FLASE:Reproduction is possible for boys and girls before puberty
54. Basic unit or building block of life.
55. What is the main reproductive organ in males? What hormone does it secrete?
56. Most important hormone in post ovulatory phase:
57. Testosterone directly affects the
58. Name the antibody which present in milk
59. Most sexually transmitted infections can be prevented by
60. The scientific term for the shedding of the endometrium is:
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