This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 3 Human Reproduction – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 16 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Each testis has how many testicular tubules? A) 250. B) 200. C) 150. D) 300. Show Answer Correct Answer: A) 250. 2. A degenerated follicle A) Corpus luteum. B) Corpus albicans. C) Graffian follicle. D) Atretic follicle. Show Answer Correct Answer: D) Atretic follicle. 3. Which of the following best describes the fertile period during a menstrual cycle? A) Time during which a woman is most likely to become pregnant. B) Time during which a woman can become pregnant. C) Time during which a woman is unlikely to become pregnant. D) Time during which a woman can definately become pregnant. Show Answer Correct Answer: A) Time during which a woman is most likely to become pregnant. 4. When does the reproductive system among humans become active? A) When an individual grows taller. B) When an individual reaches high school. C) When an individual reaches college. D) When an individual reaches puberty. Show Answer Correct Answer: D) When an individual reaches puberty. 5. Which of the following gland do not produce seminal fluid? A) Seminal vesicles. B) Pituitary gland. C) Cowper gland. D) Prostate gland. Show Answer Correct Answer: B) Pituitary gland. 6. The most important hormone in initiating and maintaining lactation after birth is ..... A) Oxytocin. B) Prolactin. C) FSH. D) Oestrogen. Show Answer Correct Answer: B) Prolactin. 7. At the end of which stage of development does the growing baby have all of its major organs that will continue to develop through the rest of gestation? A) Zygote. B) Embryo. C) Fetus. D) None of the above. Show Answer Correct Answer: B) Embryo. 8. In spermatogenesis the phase of maturation involves: A) The formation of spermatogonia from gonocytes through mitosis. B) The formation of oogonia from the spermatocytes through meiosis. C) The formation of spermatids from primary spermatocytes through meiosis. D) The growth of spermatogonia into primary spermatocyte. Show Answer Correct Answer: C) The formation of spermatids from primary spermatocytes through meiosis. 9. Which of the following hormones causes the oocyte to mature? A) Estrogen. B) LH. C) Testosterone. D) FSH. Show Answer Correct Answer: D) FSH. 10. After 8 weeks of development, the embryo is called a A) Fetus. B) Zygote. C) Neonate. D) Blastocyst. Show Answer Correct Answer: A) Fetus. 11. Spermatogonia is A) Immature male germ cells. B) Mature male gamete. C) Mature male germ cells. D) Immature male gamete. Show Answer Correct Answer: A) Immature male germ cells. 12. Select the correct option of haploid cells from the following groups. A) Secondary spermatocyte, first polar body, ovum. B) Primary oocyte, secondary oocyte, spermatid. C) Primary spermatocyte, secondary spermatocyte, second polar body. D) Spermatogonia, primary spermatocyte, spermatid. Show Answer Correct Answer: A) Secondary spermatocyte, first polar body, ovum. 13. Since the ovum cannot move on its own, it needs help to move into the uterus. The structure in the Fallopian tube that helps the ovum to move is called ..... A) Hair. B) Fur. C) Villi. D) Cilia. Show Answer Correct Answer: D) Cilia. 14. In reproduction, what is fertilisation? A) When a male and female gamete join. B) When plants drop seeds onto the ground. C) When a farmer puts manure on farmland. D) None of the above. Show Answer Correct Answer: A) When a male and female gamete join. 15. Iron deficiency is common in pregnant women as they are producing more red blood cells to supply oxygen to the baby. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. On which day in the menstrual cycle is ovulation most likely to occur? A) Day 14. B) Day 22. C) Day 5. D) Day 1. Show Answer Correct Answer: A) Day 14. 17. What is formed from the ruptured follicle? A) Epididymis. B) Corpus luteum. C) Vas deferens. D) Fetus. Show Answer Correct Answer: B) Corpus luteum. 18. ( ) a tube like structure that functions in sexual reproduction and the elimination of urine. A) Cowper's Gland. B) Testicles. C) Bladder. D) Penis. Show Answer Correct Answer: D) Penis. 19. Site of fertilization in humans is A) Isthmus of Oviduct. B) Ampulla of Oviduct. C) Infundibulum of Oviduct. D) Uterus. Show Answer Correct Answer: B) Ampulla of Oviduct. 20. TRUE or FLASE:The hormone progesterone initiates puberty in boys A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. Match the following and choose the correct options:A. Trophoblast i. Embedding of blastocyst in the endometrium B. Cleavage ii. Group of cells that would differentiate as embryo C. Inner cell mass iii. Outer layer of blastocyst attached to the endometrium D. Implantation iv. Mitotic division of zygote A) A-iii, B-iv, C-ii, D-i. B) A-iii, B-i, C-ii, D-iv. C) A-ii, B-i, C-iii, D-iv. D) A-ii, B-iv, C-iii, D-i. Show Answer Correct Answer: A) A-iii, B-iv, C-ii, D-i. 22. What is the correct sequence for human reproduction? A) Ovulation, fertilisation, implantation, birth. B) Ovulation, implantation, fertilisation, birth. C) Fertilisation, ovulation, implantation, birth. D) Implantation, fertilisation, ovulation, birth. Show Answer Correct Answer: A) Ovulation, fertilisation, implantation, birth. 23. Which event surely lead to pregnancy A) Implantation. B) Gestation. C) Fertilization. D) Unprotected coitus. Show Answer Correct Answer: A) Implantation. 24. The menstrual cycle repeats every? A) Year. B) Month. C) 28 days. D) Week. Show Answer Correct Answer: C) 28 days. 25. Animals which give birth to young ones are called A) Juveniles. B) Amphibious. C) Viviparous. D) Oviparous. Show Answer Correct Answer: C) Viviparous. 26. Milk secreted from the cells of alveoli of mammary lobes reaches nipple through lactiferous duct (L), mammary duct (M), Mammary tubule (T) and Mammary ampulla (A) in the following order A) ATML. B) MTLA. C) TMAL. D) MTAL. Show Answer Correct Answer: C) TMAL. 27. Human placenta is A) Amnio chorionic. B) Chorio allantoic. C) Allanto amnionic. D) None of the above. Show Answer Correct Answer: B) Chorio allantoic. 28. The female gametes is called ..... A) Sperm cells. B) Ova or egg cells. C) Rice grain. D) Pollen grain. Show Answer Correct Answer: B) Ova or egg cells. 29. The cells in the seminiferous tubule that give rise to sperms are A) Basement Membrane. B) Spermatogonia. C) Sertoli Cells. D) Leydig Cells. Show Answer Correct Answer: B) Spermatogonia. 30. Ways of looking, thinking, or being that are passed down through the genes from parents to offspring. A) Trait. B) Dominant Trait. C) Recessive Trait. D) Gene. Show Answer Correct Answer: A) Trait. 31. THE MONTHLY RELEASE OF AN EGG FROM THE OVARY A) MENSES. B) OVARIAN CYCLE. C) OVULATION. D) MENARCHE. Show Answer Correct Answer: C) OVULATION. 32. The correct term for the release of sperm from the penis is A) Sploosh. B) Ejaculation. C) Ovulation. D) Orgasm. Show Answer Correct Answer: B) Ejaculation. 33. The term "uterus" is another name for? A) Vagina. B) The womb. C) Placenta. D) Ovary. Show Answer Correct Answer: B) The womb. 34. True or False? Contraception is used to prevent pregnancy A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 35. If dogs have 78 chromosomes in all their body cells. How many chromosomes would their offspring have in each of their body cells? A) 39. B) 78. C) 156. D) None of the above. Show Answer Correct Answer: B) 78. 36. Fraternal twins are formed when each ovary ovulates one ovum and they both get fertilized in the same cycle. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 37. The act of expelling the full term foetus from the uterus is termed as: A) Implantation. B) Parturition. C) Capacitation. D) Gestation. Show Answer Correct Answer: B) Parturition. 38. The part of fallopian tube closest to the ovary is A) Ampulla. B) Infundibulum. C) Fimbrae. D) Isthmus. Show Answer Correct Answer: D) Isthmus. 39. Which of the functions are performed by the testis? A) Formation of sperms. B) Secretion of male hormone. C) Both of these. D) None of these. Show Answer Correct Answer: C) Both of these. 40. Which gland provides sugar and nutrients to give the sperm energy? A) Semen. B) Prostate gland. C) Bulbourethral gland. D) Seminal vesicle. Show Answer Correct Answer: D) Seminal vesicle. 41. A chemical or hormone produced by the testes. A) Estrogen. B) Sperm. C) Testosteron. D) Egg. Show Answer Correct Answer: C) Testosteron. 42. In human reproduction, only the process of fertilisation is needed. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 43. TRUE or FLASE:The uterus produces estrogen for the development of secondary characteristics in females. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 44. The termination of menstrual cycle A) Menstruation. B) Menopause. C) Luteal phase. D) Menarche. Show Answer Correct Answer: B) Menopause. 45. During oogenesis, each diploid oocyte produces: A) One functional egg and three polar bodies. B) Two functional egg and two polar bodies. C) Four functional polar bodies. D) Four functional ova. Show Answer Correct Answer: A) One functional egg and three polar bodies. 46. The female reproductive system's cycle of releasing an egg and shedding the uterine lining is the ..... A) Menstrual cycle. B) Lady cycle. C) Monthly cycle. D) Placenta cycle. Show Answer Correct Answer: A) Menstrual cycle. 47. Which hormone stimulates follicle growth? A) FSH. B) LH. C) Oestrogen. D) None of the above. Show Answer Correct Answer: A) FSH. 48. Which hormone causes FSH and LH to be released? A) Progesterone. B) Estrogen. C) GnRH. D) Testesterone. Show Answer Correct Answer: C) GnRH. 49. THE STAGE OF LIFE WHERE ALL FEMALES UNDERGO MONTHLY PHYSIOLOGICAL CYCLES. A) CHILDHOOD. B) PUBERTY. C) ADULTHOOD. D) None of the above. Show Answer Correct Answer: B) PUBERTY. 50. In which mammals testes remain in abdomen? A) Human. B) Ox. C) Elephant. D) Rabbit. Show Answer Correct Answer: C) Elephant. 51. Male sex cells are adapted to their function because they have ..... A) A food store for the new cell being formed. B) A large a bulky shape. C) A tail to help them swim to meet an egg. D) None of the above. Show Answer Correct Answer: C) A tail to help them swim to meet an egg. 52. Organ reproduksi wanita yang berjumlah sepasang dan berfungsi memproduksi sel telur atau ovum disebut ..... A) Uterus. B) Oviduk. C) Endometrium. D) Ovarium. Show Answer Correct Answer: D) Ovarium. 53. What is menopause A) When an egg is released. B) Shedding of the lining of the womb. C) The stage at which the female stops producing eggs. D) When a girl reaches sexual maturity. Show Answer Correct Answer: C) The stage at which the female stops producing eggs. 54. The first movement of the foetus and appearance of hair on its head are usually observed during- A) Fifth month of the pregnancy. B) First trimester of pregnancy. C) Third month of the pregnancy. D) First month of the pregnancy. Show Answer Correct Answer: A) Fifth month of the pregnancy. 55. Which is the correct definition for fertilisation? A) Production of gametes. B) Fusion of cells. C) The process where a sperm cell fuses with the egg cell. D) Shift of human development. Show Answer Correct Answer: C) The process where a sperm cell fuses with the egg cell. 56. What is the function of the amniotic sac? A) Protects the foetus inside the uterus. B) Moves sperm from the testes and collects fluid from the glands. C) Produces and stores eggs, produces oestrogen. D) It connects the womb and vagina and widens during childbirth. Show Answer Correct Answer: A) Protects the foetus inside the uterus. 57. The organs that form the gametes are: A) The gonads. B) The zygote. C) The adrenal glands. D) None of the above. Show Answer Correct Answer: A) The gonads. 58. Supplies oxygen to some developing mammals A) Crop. B) Crop. C) Keratin. D) Placenta. Show Answer Correct Answer: D) Placenta. 59. This is where the foetus develops until it is born. A) Uterus. B) Vagina. C) Urethra. D) None of the above. Show Answer Correct Answer: A) Uterus. 60. What are the diploid stages in spermatogenesis? A) Spermatogonia and spermatids. B) Spermatogonia and primary spermatocytes. C) Spermatogonia and sperms. D) Primary spermatocytes and secondary spermatocytes. Show Answer Correct Answer: D) Primary spermatocytes and secondary spermatocytes. ← PreviousNext →Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Biology Chapter 3 Human Reproduction Quiz 1Class 12 Biology Chapter 3 Human Reproduction Quiz 2Class 12 Biology Chapter 3 Human Reproduction Quiz 3Class 12 Biology Chapter 3 Human Reproduction Quiz 4Class 12 Biology Chapter 3 Human Reproduction Quiz 5Class 12 Biology Chapter 3 Human Reproduction Quiz 6Class 12 Biology Chapter 3 Human Reproduction Quiz 7Class 12 Biology Chapter 3 Human Reproduction Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books