This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 52 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 52 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In mammals, failure of testes to descend intoscrotum is known as: A) Paedogenesis. B) Castration. C) Cryptorchidism. D) Impotency. Show Answer Correct Answer: C) Cryptorchidism. 2. Meiosis produces A) Genetically identical daughter cells. B) Genetically different daughter cells. C) All the above. D) None of the above. Show Answer Correct Answer: B) Genetically different daughter cells. 3. Spermatids are changed into spermatozoa through A) Spermiogenesis. B) Spermiation. C) Spermatogenesis. D) Spermatosis. Show Answer Correct Answer: A) Spermiogenesis. 4. Loss of reproductive capacity in women after the age of 45 years is A) Menstruation. B) Ageing. C) Menopause. D) Menarche. Show Answer Correct Answer: C) Menopause. 5. About which day in a normal human menstrual cycle does rapid secretion of LH (Popularly called LH-surge) normally occurs? A) 14th day. B) 20th day. C) 5th day. D) 11th day. Show Answer Correct Answer: A) 14th day. 6. Amount of yolk and its distribution are changed in the egg which one is affected? A) Pattern of cleavage. B) Formation of zygote. C) No. of blastomere. D) Fertilisation. Show Answer Correct Answer: A) Pattern of cleavage. 7. NAME THE HORMONE WHICH HELPS IN RUPTURE OF GRAFFIAN FOLLICLE DURING OVULATION. A) LH. B) FSH. C) HCG. D) HP. Show Answer Correct Answer: A) LH. 8. State the function of sperm ducts in the male reproductive system. A) Production of sperm. B) Storage and transportation of sperm. C) Hormone secretion. D) Nutrient absorption. Show Answer Correct Answer: B) Storage and transportation of sperm. 9. Ova is produced in the A) Testes. B) Ovaries. C) Uterus. D) Stomach. Show Answer Correct Answer: B) Ovaries. 10. The following are roles of penis, EXCEPT? A) A. excreting urine. B) Expelling sperm. C) Receives egg cell. D) Delivers sperm cells into the female reproductive tract. Show Answer Correct Answer: C) Receives egg cell. 11. During ovulation, the oocyte passes into the ..... A) Uterine tube. B) Uterus. C) Pelvic cavity. D) Ovary. Show Answer Correct Answer: C) Pelvic cavity. 12. The structure that draws an ovulated oocyte into the female system are A) Cilia. B) Microvilli. C) Fimbriae. D) Stereocilia. Show Answer Correct Answer: C) Fimbriae. 13. Which of the following events is not associated with ovulation in the human females? A) Decrease in oestradiol. B) Full development of graffian follicle. C) Release of the secondary oocyte. D) LH surge. Show Answer Correct Answer: A) Decrease in oestradiol. 14. Neubenkern is part of A) Human ovum. B) Human sperm. C) Foetus. D) Graffian follicles. Show Answer Correct Answer: B) Human sperm. 15. We humans extract the oxygen from the air through ..... A) The digestive system. B) The circulatory system. C) The respiratory system. D) No answer is correct. Show Answer Correct Answer: C) The respiratory system. 16. Women reach the menopause approximately when they are ..... A) 10. B) 16. C) 50. D) 60. Show Answer Correct Answer: C) 50. 17. The menstrual cycle cycle will begin when a female reaches ..... A) 20-30. B) 11-14. C) 40-50. D) 75-80. Show Answer Correct Answer: B) 11-14. 18. A coiled structure located on the back side of the testicle. This is where sperm matures for about three weeks. A) Urethra. B) Epididymis. C) Ovaries. D) Penis. Show Answer Correct Answer: B) Epididymis. 19. What does the morula form? A) Gamete. B) Zygote. C) Blastocyst. D) Catocst. Show Answer Correct Answer: C) Blastocyst. 20. Pregnancy is when A) A woman is carrying a baby. B) A baby is born. C) A baby is close to being born. D) A mother has a child. Show Answer Correct Answer: A) A woman is carrying a baby. 21. The amount of chromosome found in nucleus of sperm cells are ..... A) 56. B) 28. C) 46. D) 23. Show Answer Correct Answer: D) 23. 22. Which part of the male reproductive system produce and store sperm? A) The Scrotum. B) The prostate. C) The testicles. D) The penis. Show Answer Correct Answer: C) The testicles. 23. When does the menstruation is produced? A) When ovule is not fertilized. B) When ovule is fertilized. C) When the lining of the uterus is broken. D) When the baby is going out. Show Answer Correct Answer: A) When ovule is not fertilized. 24. What is the name of the hormone that is responsible for milk production in females after childbirth? A) Estrogen. B) Insulin. C) Prolactin. D) Testosterone. Show Answer Correct Answer: C) Prolactin. 25. In a sperm, the mitochondria occur A) In tail. B) In Acrosome. C) In middle piece. D) In head. Show Answer Correct Answer: C) In middle piece. ← PreviousNext →Related 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 8Class 12 Biology Chapter 3 Human Reproduction Quiz 9Class 12 Biology Chapter 3 Human Reproduction Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books