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Class 12 Biology Chapter 3 Human Reproduction Quiz 18 (60 MCQs)

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1. Identify the following body changes during puberty:Experience growth spur
2. Assertion-the presence of X AND Y chromosomes in the sperm determine the sex of embryo.reason-all the eggs have ONE X chromosomes.
3. Which of these are the male reproductive organs?
4. Ectopic pregnancies are referred to as
5. When egg is not fertilized, yellow coloured corpus luteum degenerates to form
6. In what structure does the secondary oocyte start Meoisis II?
7. Which gamete is made my males and only males?
8. Soon after fertilisation, many cell divisions lead to the formation of a solid clump of cells. What is this lump of cells called?
9. Chimpanzees have 48 chromosomes in each normal body cell. How many chromosomes does a chimpanzee gamete contain?
10. A "period" is the breaking down and shedding of the endometrium (uterine lining). The technical name for this is called:
11. Which of the following is not a birth control method?
12. Name the narrow passage connecting the uterus and vagina in females.
13. Find the wrongly matched pair from the following:
14. In 28 day human ovarian cycle, ovulation occurs on
15. Which hormone is responsible for maintaining the uterus lining
16. Humans all go through puberty at the same time
17. The membrane around Graafian Follicle is known as
18. Low level estrogen inhibit the release of FSH and LH by
19. In the male reproduction system, the testes produces sperm.
20. What are the initial phases of embryonic development?
21. The start of puberty is triggered by:
22. The layer of cells surrounding the oocyte
23. Which of the following statement about twins is incorrect
24. Reproductive organs becoming functional during puberty, meaning that
25. A reproductive system is represented in the diagram below. Which structure is correctly paired with its reproductive function?
26. Which part of the male anatomy DOES NOT help produce a part of the final seminal fluid used in reproduction?
27. THE ACCESSORY DUCT WHICH STORES SPERMATOZOA TEMPORARILY IS
28. The lining of the uterus is shed during menstrual period because
29. This is the term given for the release of a mature ovum once a month:
30. What is it called when sperm is pushed out of the penis?
31. What is the purpose of the amniotic sac during pregnancy?
32. Activation of digestive enzymes in this structure allow sperm to burrow through the corona radiata.
33. An organ that provides the chemical substancess needed by a fetus is called the
34. The male accessory duct where sperms attain fertilizing capacity is
35. Average length of time of a woman's menstrual cycle.
36. Hymen can be torn or broken by:-i) first coitusii) sudden fall/Joltiii) horse ridingiv)Cyclingv) Insertion of vaginal tampon
37. The embryo with ..... blastomeres is called a morula.
38. The average length of day for menstrual cycle is .....
39. Part of sperm that possess in to ovum is
40. The Androgen Binding Protein (ABP) is produced by .....
41. Testes descends to scrotal sacs from the abdominal cavity because
42. True or False:IVF allows a number of infertile couples to conceive and have a child?
43. Part of reproductive organ of a female that store egg cells.
44. Which is not a male accessory gland?
45. A tissue formed from two different individuals
46. In a "typical" 28 day female reproductive cycle, on which day following the beginning of the menstrual period is the level of luteinizing hormone most likely to be highest?
47. Some substances that will pass from mother to child through the placenta are
48. Which of the following disease is transmitted sexually?
49. Which of the following cells contain 46 chromosome
50. Attaches to the baby's navel and grows out of the placenta.
51. What type of cells produces the testosterone?
52. Gravidex test for pregnancy involves the check of
53. Puberty is .....
54. An ill person in bed
55. Compare fetal positioning in the pregnancy diagram:where is the fetus located relative to the placenta?
56. The organ not formed by ectoderm is
57. According to the note, what do testes primarily produce?
58. The concept that 'population tends to increase geometrically while food increases arithmetically' was put forward by ..... ?
59. Which sequence correctly describes the order of structures that develop and release the egg in the ovary.
60. The word 'inherited' means .....
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