This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 3 Human Reproduction – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 14 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Identify the following characteristics of gametogenesis according to its type:Equal divisions of cells A) Spermatogenesis. B) Oogenesis. C) All the above. D) None of the above. Show Answer Correct Answer: A) Spermatogenesis. 2. Antrum is a cavity of A) Ovary. B) Blastula. C) Graffian follicle. D) Gastrula. Show Answer Correct Answer: C) Graffian follicle. 3. The acrosome of sperm is formed from ..... A) Golgi complex. B) Nucleus. C) Mitochondria. D) Centrosome. Show Answer Correct Answer: A) Golgi complex. 4. Site of fertilization in a mammal is A) Ovary. B) Uterus. C) Vagina. D) Fallopian tube. Show Answer Correct Answer: D) Fallopian tube. 5. What is meant by In Vitro Fertilisation (IVF)? A) A method of fertilisation without sexual intercourse. B) A means to prevent fertilisation or implantation. C) The time of the menstrual cycle when fertilisation and pregnancy are more likely to occur. D) None of the above. Show Answer Correct Answer: A) A method of fertilisation without sexual intercourse. 6. The fluid that forms around the baby in the mother's uterus is called ..... fluid. A) Amniotic. B) Placental. C) Tissue. D) Lymphatic. Show Answer Correct Answer: A) Amniotic. 7. Which of the following hormones regulates the precise timing of ovulation? A) Progesterone. B) Oestrogen. C) Luteinizing hormone. D) Follicle-stimulating hormone. Show Answer Correct Answer: C) Luteinizing hormone. 8. Cavity of graafian follicle is ..... A) Discus proligerous. B) Antrum. C) Liquor folliculi. D) Amniotic cavity. Show Answer Correct Answer: B) Antrum. 9. The tube leading from the uterus to the ovaries is the ..... A) Long tube. B) Ovary tube. C) Fallopian tube. D) Falliduct. Show Answer Correct Answer: C) Fallopian tube. 10. Most mammals have adaptations for A) Internal fertilization and internal development of the fetus. B) Internal fertilization and external development of the fetus. C) External fertilization and external development of the fetus. D) External fertilization and internal development of the fetus. Show Answer Correct Answer: A) Internal fertilization and internal development of the fetus. 11. Oogenesis is performed in the: A) Follicles of the ovaries. B) Fallopian tubes. C) Uterus. D) None of the above. Show Answer Correct Answer: A) Follicles of the ovaries. 12. The lining of the uterus contains many blood vessels so that: A) The embryo can receive a good supply of food, oxygen and water. B) It stays wet. C) The menstrual cycle can occur. D) The oviducts can grow. Show Answer Correct Answer: A) The embryo can receive a good supply of food, oxygen and water. 13. A human female reaches menopause around the age of A) 35 years. B) 70 years. C) 50 years. D) 40 years. Show Answer Correct Answer: C) 50 years. 14. Which of the following is ART? A) IUDs. B) GIFT. C) ZIFT. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 15. Extrusion of the second polar body from egg nucleus occurs A) After fertilization. B) After the entry of sperm but before fertilization. C) Simultaneously with the first cleavage. D) Before the entry of sperm into the ovum. Show Answer Correct Answer: B) After the entry of sperm but before fertilization. 16. Toxins can harm a developing fetus. They usually enter thefetus by the process of A) Recombination of genes from the fetus and mother. B) Active transport from the ovary. C) Diffusion across placental membranes. D) Blood flow from the mother to the fetus. Show Answer Correct Answer: C) Diffusion across placental membranes. 17. Which of the following is not a part of male reproductive organ? A) Scrotum. B) Penis. C) Sperm duct. D) Ovary. Show Answer Correct Answer: D) Ovary. 18. Which of the following is a correct sequence of cells in spermatogenesis? A) Spermatogonium $\rightarrow$ secondary spermatocyte $\rightarrow$ primary spermatocyte. B) Primary spermatocyte $\rightarrow$ spermatogonium $\rightarrow$ secondary spermatocyte. C) Spermatogonium $\rightarrow$ primary spermatocyte $\rightarrow$ secondary spermatocyte. D) None of the above. Show Answer Correct Answer: C) Spermatogonium $\rightarrow$ primary spermatocyte $\rightarrow$ secondary spermatocyte. 19. The membranous cover of the ovum at ovulation is: A) Zona radiata. B) Zona pellucida. C) Chorion. D) Corona radiata. Show Answer Correct Answer: B) Zona pellucida. 20. Twins that are formed when two eggs are fertilized by two different sperm cells are called A) Identical twins. B) Multple twins. C) Twins. D) Fratenal twins. Show Answer Correct Answer: D) Fratenal twins. 21. Breakdown of endometrial lining of the uterus takes place during A) Follicular Phase. B) Luteal Phase. C) Ovulation. D) Menstrual Phase. Show Answer Correct Answer: D) Menstrual Phase. 22. Which of the following statements about human reproduction is not correct? A) Implantation is the embedding of an embryo into the uterine lining. B) Sperms are male gametes. C) Fertilization is the release of semen through the penis. D) Scrotum is a sac holding the testes. Show Answer Correct Answer: C) Fertilization is the release of semen through the penis. 23. When does sperm production stop? A) Around age 50. B) Around puberty. C) Never. D) None of the above. Show Answer Correct Answer: C) Never. 24. Fertilisation process takes place in ..... A) Vagina. B) Ovum. C) Ovary. D) Fallopian tube. Show Answer Correct Answer: D) Fallopian tube. 25. What organelles are abundant in sperm cells to provide energy for flagellum movement? A) Enzymes. B) Ribosomes. C) Lysosomes. D) Mitochondria. Show Answer Correct Answer: D) Mitochondria. 26. Physical and chemical changes in the egg cortex which occur after the sperm entry into the egg is called ..... A) Cleavage. B) Embryological changes. C) Metamorphosis. D) Cortical reaction. Show Answer Correct Answer: D) Cortical reaction. 27. In what system does the sex cells and urine pass through the same tube? A) Female. B) Male. C) All the above. D) None of the above. Show Answer Correct Answer: B) Male. 28. The tube that connects the ovaries to the uterus is called what? A) Egg tube. B) Sperm duct. C) Oviduct. D) Cervix. Show Answer Correct Answer: C) Oviduct. 29. Each secondary spermatocyte after second meiotic division produces A) Two diploid spermatids. B) Only one haploid spermatids. C) Two haploid spermatids. D) Four haploid spermatids. Show Answer Correct Answer: C) Two haploid spermatids. 30. Corpus luteum produces A) Estrogen. B) Testosterone. C) Progesterone. D) ENone of the above. Show Answer Correct Answer: C) Progesterone. 31. The correct term for the birth canal is A) Vagina. B) Vas deferens. C) Fallopian tubes. D) Urethra. Show Answer Correct Answer: A) Vagina. 32. What does the term infertile mean? A) An ability to produce offspring. B) A method of fertilisation without sexual intercourse. C) An inability to produce offspring. D) A method of fertilisation with sexual intercourse. Show Answer Correct Answer: C) An inability to produce offspring. 33. The change in the amount of yolk and its distribution in the egg will affect A) Pattern of cleavage. B) Number of Blastomeres produced. C) Fertilization. D) Formation of zygote. Show Answer Correct Answer: A) Pattern of cleavage. 34. Which type of intrauterine device (IUD) is available? A) Copper. B) Titanium. C) Hormonal. D) A and B. E) All of the above. Show Answer Correct Answer: C) Hormonal. 35. Which hormone level reach up to peak during luteal phase of menstrual cycle A) Progesterone. B) FSH. C) Estrogen. D) LH. Show Answer Correct Answer: D) LH. 36. On average, how long does menstruation/a period last? A) 9-12 days. B) 1-3 days. C) 5-6 days. D) 12-24 days. Show Answer Correct Answer: C) 5-6 days. 37. How long does an egg live after ovulation? A) 1 hour. B) 28 days. C) 5 days. D) 24 hours. Show Answer Correct Answer: D) 24 hours. 38. Identify the following stages of adolescence:Is more able to manage close and long-term sexual relationships A) EARLY adolescence. B) MIDDLE adolescence. C) LATE adolescence. D) None of the above. Show Answer Correct Answer: C) LATE adolescence. 39. Which changes occur at puberty to boys and girls A) Pubic hair grows. B) Underarm hair grows. C) Sexual organs grow and develop. D) All are correct. Show Answer Correct Answer: D) All are correct. 40. Mammary glands are located in the: A) Perineum. B) Uterus. C) Breasts. D) Cervix. Show Answer Correct Answer: C) Breasts. 41. The mound of cells on which oocyte is placed in the graffian follicle A) Cumulus oophorus. B) Corona radiata. C) Granulosa. D) None of these. Show Answer Correct Answer: A) Cumulus oophorus. 42. A fertilized egg will implant in which organ? A) Cervix. B) Fallopian tube. C) Ovary. D) Uterus. Show Answer Correct Answer: D) Uterus. 43. What is the primary function of the male reproductive system? A) To regulate the menstrual cycle. B) To nourish the foetus. C) To produce ova. D) To produce sperm cells. Show Answer Correct Answer: D) To produce sperm cells. 44. In humans, what is the ratio of number of gametes produced from one male primary sex cell to the number of gametes produced from one female primary sex cell? A) 1:3. B) 4:1. C) 1:4. D) 1:4. Show Answer Correct Answer: B) 4:1. 45. Where in the female reproductive system does implantation occur? A) Falllopian tube. B) Endometrium. C) Vagina. D) Ovary. Show Answer Correct Answer: B) Endometrium. 46. What is one way sperm and eggs are similar? A) They both swim. B) They have extra mitochondria. C) They have the double the amount of DNA. D) They have half the amount of DNA. Show Answer Correct Answer: D) They have half the amount of DNA. 47. Formation of egg or ovum is ..... A) Gametogenesis. B) Oogenesis. C) Fertilisation. D) None of the above. Show Answer Correct Answer: B) Oogenesis. 48. How many sperm are able to fertilize an egg? A) 1. B) 2. C) It depends. D) 3. Show Answer Correct Answer: A) 1. 49. The DUCT through which urine and semen are discharged, but not at the same time. A) Testicle. B) Scrotum. C) Penis. D) Urethra. Show Answer Correct Answer: D) Urethra. 50. Embryo with more than 16 blastomeres formed due to in vitro fretilization is transferred into A) Uterus. B) Fallopian tube. C) Cervix. D) Fimbriae. Show Answer Correct Answer: A) Uterus. 51. Secretion of seminal vesicles contain A) Testosterone. B) Mucus. C) Fructose. D) Alkaline solution. Show Answer Correct Answer: C) Fructose. 52. Where is the semen first ejaculated? A) Vagina. B) Uterus. C) Oviduct. D) None of the above. Show Answer Correct Answer: A) Vagina. 53. Where does oogenesis take place? A) Uterus. B) Fallopian tubes. C) Ovaries. D) Vagina. Show Answer Correct Answer: C) Ovaries. 54. What is the role of the Fallopian tubes? A) To transport eggs to the uterus. B) To give nutrition to a fertilized egg. C) To create eggs. D) To create a fertilized egg. Show Answer Correct Answer: A) To transport eggs to the uterus. 55. Foetal ejection reflex in human females is induced by A) Released of oxytocin from pituatry. B) Pressure exerted by amniotic fluid. C) Differntiation of mammary gland. D) Fully develop foetus and placenta. Show Answer Correct Answer: D) Fully develop foetus and placenta. 56. Ovulation typically occurs on what day of the cycle? A) 7. B) 1. C) 14. D) 20. Show Answer Correct Answer: C) 14. 57. The correct order for reproduction to occur is: A) Intercourse, fertilisation, cell division, ovulation, implantation. B) Intercourse, ovulation, fertilisation, implantation, cell division. C) Ovulation, fertilisation, intercourse, cell division, implantation. D) Intercourse, ovulation, fertilisation, cell division, implantation. Show Answer Correct Answer: D) Intercourse, ovulation, fertilisation, cell division, implantation. 58. Approximately 5 days after fertilisation the fertilised egg develops into a hollow ball of cells. What is this hollow ball of cells called? A) Embryo. B) Zyogote. C) Morula. D) Blastocyst. Show Answer Correct Answer: D) Blastocyst. 59. Implantation is embedding of the blastocyst into A) Endometrium of uterus. B) Perimetrium of uterus. C) Mesometrium of uterus. D) Uterine cavity. Show Answer Correct Answer: A) Endometrium of uterus. 60. The foetus grows inside the placenta which is filled with ..... A) Umbilical cord. B) Amniotic fluid. C) Zygote cell. D) Blood and tissue. Show Answer Correct Answer: B) Amniotic fluid. ← 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