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Class 12 Biology Chapter 3 Human Reproduction Quiz 21 (60 MCQs)

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1. Another name for the bulbourethral gland is:
2. Which is a consequence of low birth rate?
3. The placental hormone that is not secreted in any other parto of the body
4. Bartholin glands in female corresponds to which gland in males?
5. After fertilisation the zygote increases in size and travels down the Fallopian tube to become embedded in the walls of the womb. This process is known as
6. How long is sperm viable once it is released to make the journey to the fallopian tubes?
7. Glands located behind labia majora
8. Fertilization of an egg by a sperm occurs in the
9. No. of chromatids in secondry oocytes stage in human is
10. What characteristic enables the uterus to hold the fetus even though it is just a sized of a fist?
11. What is the exocrine function of the testes
12. Sertoli cells are regulated by the pituitary hormone known as (2006)
13. Around day 14 .....
14. Ovulation of the human female normally takes place during the menstrual cycle
15. Spermatogenesis is
16. Spermatids are formed by
17. Dizygotic twins are born when the zygote after first mitotic cell division that consists of two cells get separated and continue development as two separate embryos.
18. In mammals, failure of testes to descend intoscrotum is known as:
19. Meiosis produces
20. Spermatids are changed into spermatozoa through
21. Loss of reproductive capacity in women after the age of 45 years is
22. About which day in a normal human menstrual cycle does rapid secretion of LH (Popularly called LH-surge) normally occurs?
23. Amount of yolk and its distribution are changed in the egg which one is affected?
24. NAME THE HORMONE WHICH HELPS IN RUPTURE OF GRAFFIAN FOLLICLE DURING OVULATION.
25. State the function of sperm ducts in the male reproductive system.
26. Ova is produced in the
27. The following are roles of penis, EXCEPT?
28. During ovulation, the oocyte passes into the .....
29. The structure that draws an ovulated oocyte into the female system are
30. Which of the following events is not associated with ovulation in the human females?
31. Neubenkern is part of
32. We humans extract the oxygen from the air through .....
33. Women reach the menopause approximately when they are .....
34. The menstrual cycle cycle will begin when a female reaches .....
35. A coiled structure located on the back side of the testicle. This is where sperm matures for about three weeks.
36. What does the morula form?
37. Pregnancy is when
38. The amount of chromosome found in nucleus of sperm cells are .....
39. Which part of the male reproductive system produce and store sperm?
40. When does the menstruation is produced?
41. What is the name of the hormone that is responsible for milk production in females after childbirth?
42. In a sperm, the mitochondria occur
43. Definition for infertility?
44. Antrum is present in
45. Identify the wrong statement from the following:
46. What happens to the lining of the uterus during the fertile period of the menstrual cycle?
47. The primary reproductive organs of the female are
48. Which of the following lists contains a natural, mechanical, barrier & chemical form of contraception?
49. Sex organs develop rapidly during
50. What is the function of testis?
51. Where are the male sex cells made?
52. One of the first signs that tell a woman she is pregnant is
53. Which statement is false about the similarity of the human and plant reproduction system?
54. The endometrium is
55. This is known as the emergency hormone.
56. In human females, menstruation can be deferred by the administration of
57. The female gamete is known as .....
58. Uterus contractSmall blood vessel constrictsWhich phase describe process above
59. In uterus, endometrium increases in thickness in response to
60. Which of the following is incorrect about GnRH in males?
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