This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Where does human fertilization tend to take place? A) Cervix. B) Uterus. C) Epididymis. D) Fallopian tube. Show Answer Correct Answer: D) Fallopian tube. 2. Which of these parts is found in both the male and female reproductive systems? A) Testis. B) Urethra. C) Uterus. D) Fallopian tube. Show Answer Correct Answer: B) Urethra. 3. What would be the result of cutting both the sperm ducts in a male animal? A) Male sex hormones would no longer circulate in the blood. B) The animal would be unable to pass urine. C) The animal would be unable to develop sperms. D) The animal would become sterile. Show Answer Correct Answer: D) The animal would become sterile. 4. What is the role of cilia in the female reproductive system? A) To nourish the foetus. B) To produce hormones. C) To move the ovum along the oviduct. D) To produce sperm. Show Answer Correct Answer: C) To move the ovum along the oviduct. 5. Which of the following statements identifies a difference between the secondary oocyte and the ovum? A) The secondary oocyte is diploid while the ovum is haploid. B) The secondary oocyte has two polar bodies while the ovum has one. C) The secondary oocyte is surrounded by the zona pellucida while the ovum is not. D) The secondary oocyte is at Metaphase II of meiosis while the ovum has completed the meiotic divisions. Show Answer Correct Answer: D) The secondary oocyte is at Metaphase II of meiosis while the ovum has completed the meiotic divisions. 6. If the epididymis is blocked, which immediate physiological effect on sperm would most likely occur? A) Sperm cannot mature or be stored. B) Sperm cannot form the placenta. C) Sperm cannot fertilize the ovary. D) Sperm cannot produce testosterone. Show Answer Correct Answer: A) Sperm cannot mature or be stored. 7. The fluid filled environment for the development of embryo in order to protect the developing foetus from physical jerks and shocks is provided by A) Amnion. B) Water. C) Amniotic Fluid. D) Placenta. Show Answer Correct Answer: C) Amniotic Fluid. 8. Which of the following is NOT an indication to the mother that labour is starting? A) Contractions of the uterine wall. B) Bursting of the amniotic sac 'Waters breaking'. C) Detaching of the unbilical cord. D) 'show' of mucus indicating that the cervix is unblocked. Show Answer Correct Answer: C) Detaching of the unbilical cord. 9. Where baby grows inside its mother body A) Fallopian tube. B) Urethra. C) Uterus (womb). D) Vagina. Show Answer Correct Answer: C) Uterus (womb). 10. Menstruation results in the discharge of A) The corpus luteum of the uterus. B) Surface cells from the vagina. C) Blood from the outer surface of the uterus. D) The endometrial lining. Show Answer Correct Answer: D) The endometrial lining. 11. Reproductive organs that produce eggs, progesterone and estrogen A) Cervix. B) Vagina. C) Ovaries. D) None of the above. Show Answer Correct Answer: C) Ovaries. 12. The food reserve in a bird egg A) Albumen. B) Keratin. C) Yolk. D) Molt. Show Answer Correct Answer: C) Yolk. 13. The primary function of the human male reproductive system is to A) Provide a site for fertilization. B) Produce and transport gametes. C) Protect and nourish the embryo. D) Prevent urine from leaving the body. Show Answer Correct Answer: B) Produce and transport gametes. 14. What temperature do sperm like best? A) 37$^{o}$ C. B) Much warmer than 37$^{o}$ C. C) Much cooler than 37$^{o}$ C. D) A little bit cooler than 37$^{o}$ C. Show Answer Correct Answer: D) A little bit cooler than 37$^{o}$ C. 15. During which process do sperm and egg fuse to form a zygote? A) Embryogenesis. B) Fertilization. C) Fragmentation. D) Differentiation. Show Answer Correct Answer: B) Fertilization. 16. The stem cells which have potency to give rise to all tissues and organs are formed from A) Trophoblast. B) Umbilical cord. C) Inner cell mass. D) Placenta. Show Answer Correct Answer: C) Inner cell mass. 17. The embryo develops in the ..... A) Vagina. B) Uterus. C) Fallopian tube. D) Ovary. Show Answer Correct Answer: B) Uterus. 18. Kangaroos are mammals that lack a placenta. Therefore, they must have an alternate way of supplying the developing embryo with A) Nutrients. B) Carbon dioxide. C) Enzymes. D) Genetic information. Show Answer Correct Answer: A) Nutrients. 19. Which hormone causes the re-growth of the endometrial lining of the uterus? A) Testesterone. B) GnRH. C) Estrogen. D) Progesterone. Show Answer Correct Answer: D) Progesterone. 20. What is the primary function of the testes? A) Produce urine. B) Produce sperm and sex hormones. C) Transport sperm to the urethra. D) Filter blood. Show Answer Correct Answer: B) Produce sperm and sex hormones. 21. Which process makes gametes for sexual reproduction? A) Mitosis. B) Meiosis. C) Fertilisation. D) Ovulation. Show Answer Correct Answer: B) Meiosis. 22. Extrusion of second polar body from egg nucleus occurs (a) after fertilisation (b) before the entry of sperm into ovum (c) simultaneously with first cleavage (d) after the entry of sperm but before fertilisation A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 23. Oogonia can be formed and added after birth of girl child. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. The after birth is when A) A second child is born. B) The woman has strong contractions. C) Placenta and umbilical cord are expelled. D) The family comes to visit the new baby. Show Answer Correct Answer: C) Placenta and umbilical cord are expelled. 25. How long is an ovum viable (able to survive) once it is released from the ovary? A) 12-24 hours. B) 24-48 hours. C) 3 days. D) 4 days. Show Answer Correct Answer: A) 12-24 hours. ← 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