This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 79 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 79 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is wrong about oogenesis? A) Unequal miotic division. B) Growth phase. C) Formation of polar bodies. D) Equal miotic division. Show Answer Correct Answer: D) Equal miotic division. 2. A temporary endocrine gland in the human body is A) Pineal gland. B) Hypothalamus. C) Corpus luteum. D) Pitutary gland. Show Answer Correct Answer: C) Corpus luteum. 3. Layers of an ovum from outside to inside is A) Corona radiata, zona pellucida and vitelline membrane. B) Zona pellucida, corona rodiata and vitelline membrane. C) Vitelline membrane, zona pellucida and corona radiata. D) Zona pellucida, vitelline membrane and corona radiata. Show Answer Correct Answer: A) Corona radiata, zona pellucida and vitelline membrane. 4. Estrogens are produced by corpus luteum and progesterone is produced by growing follicles. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 5. How many chromosomes are there in a zygote? A) 23. B) 42. C) 56. D) 46. Show Answer Correct Answer: D) 46. 6. At what age range do girls start to go through puberty? A) 40-50. B) 19-20. C) 12-15. D) 11-14. Show Answer Correct Answer: D) 11-14. 7. The male sex cell is called ..... A) Egg. B) Embryo. C) Sperm. D) Foetus. Show Answer Correct Answer: C) Sperm. 8. In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was A) High levels of FSH and LH in uterus to stimulate endometrial thickening. B) High level of circulating HCG to stimulate estrogen and progesterone synthesis. C) High level of circulating FSH and LH in the uterus to stimulate implantation of the embryo. D) High level of circulating HCG to stimulate endometrial thickening. Show Answer Correct Answer: B) High level of circulating HCG to stimulate estrogen and progesterone synthesis. 9. HCG, hPL and relaxin are produced in women only during menstrual cycle. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. Assertion:Corpus luteum secretes progesterone. Reason:Progesterone stimulates proliferation of endometrium. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. Show Answer Correct Answer: A) Both A and R are true and R is the correct explanation of A. 11. Both human and plant sexual reproduction require the female and male reproductive cells to fuse. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. The process that takes place when an ovum is not fertilised is A) Menstruation. B) Fertilisation. C) Ovaries. D) Endometrium. Show Answer Correct Answer: A) Menstruation. 13. Which of the following is NOT true of menstruation? A) It occurs when the egg is not fertilized. B) It occurs about every 28 days. C) It is not the same for every woman. D) It begins around age 21. Show Answer Correct Answer: D) It begins around age 21. 14. The correct sequence for passage of ovum in females is A) Ovary-Infundibulum-Fimbriae-Ampulla-Isthmus. B) Ovary-Fimbriae-Infundibulum-Isthmus-Ampulla. C) Isthmus-Ampulla-Infundibulum-Fimbriae-Ovary. D) Ovary-Fimbriae-Infundibulum-Ampulla-Isthmus. Show Answer Correct Answer: D) Ovary-Fimbriae-Infundibulum-Ampulla-Isthmus. 15. Mitosis is important for: A) Sexual reproduction. B) Asexual reproduction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Asexual reproduction. 16. During this trimester, the skeleton ossifies and some reflexes and movement appear. A) First. B) Second. C) Third. D) None of the above. Show Answer Correct Answer: B) Second. 17. Which organ of the male reproductive system functions like the fallopian tube? A) Urethra. B) Prostate gland. C) Epididymis. D) Vasa deferentia. Show Answer Correct Answer: D) Vasa deferentia. 18. Name the hormone which causes stronger uterine contractions. A) Oxytocin. B) Prolactin. C) Progestogen. D) Estrogen. Show Answer Correct Answer: A) Oxytocin. 19. Immediately after ovulation, the mammalian egg is covered by a membrane known as A) Corona radiata. B) Chorion. C) Zona pellucida. D) Vitelline membrane. Show Answer Correct Answer: A) Corona radiata. 20. Sperm is released from the body through the A) Testes. B) Vas deferens. C) Urethra. D) Scrotum. Show Answer Correct Answer: C) Urethra. 21. Presence or absence of the following is not a reliable indicator of virginity A) Clitoris. B) Hymen. C) Mons pubis. D) Labia majora. Show Answer Correct Answer: B) Hymen. 22. Pregnancy normally lasts ..... A) 280 days. B) 40 weeks. C) 9 months. D) All of them are correct. Show Answer Correct Answer: D) All of them are correct. 23. The external female genitalia are A) The vulva and uterus. B) The vagina and labia. C) The labia and clitoris. D) None of the above. Show Answer Correct Answer: C) The labia and clitoris. 24. Newly realesed mammalian egg is coverd by A) Plasma membrane. B) Vitelline membrane. C) Zona pellucida. D) All the above. Show Answer Correct Answer: C) Zona pellucida. 25. Foetal membrane that is important in forming umbilical cord A) Allantois. B) Amnion. C) Chorion. D) Yolk sac. Show Answer Correct Answer: A) Allantois. ← 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