This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 63 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 63 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The liquid that carries sperm A) Sperm. B) Erection. C) Semen. D) Egg Cell. Show Answer Correct Answer: C) Semen. 2. Villi in human placenta is formed by A) AMNION. B) CHORION. C) ALLANTOIS. D) ALL OF THESE. Show Answer Correct Answer: B) CHORION. 3. What is the name of the hollow structure that contains the cells that become the embryo? A) Zygote. B) Blastocyst. C) Morula. D) Foetus. Show Answer Correct Answer: B) Blastocyst. 4. Which hormone peak causes ovulation? A) Oestrogen. B) FSH. C) LH. D) Progesterone. Show Answer Correct Answer: C) LH. 5. Where are the hormones FSH and LH produced? A) Hypothalmus. B) Testes. C) Pituitary gland. D) Ovaries. Show Answer Correct Answer: C) Pituitary gland. 6. Which structure produces progesterone in a 5 month pregnant woman? A) The egg. B) The ovary wall. C) Corpus luteum. D) The placenta. Show Answer Correct Answer: D) The placenta. 7. The male and female reproductive systems are regulated by ..... A) Hormones. B) Sex drive. C) Number of chromosomes. D) Heredity. Show Answer Correct Answer: A) Hormones. 8. If a couple wants to have children, they should have sex on days A) 1 to 5. B) 5 to 10. C) 13 to 16. D) 25 to 28. Show Answer Correct Answer: C) 13 to 16. 9. Fertilization occurs in human female when the sperms and ovum reach simultaneously at: A) Fallopian tube. B) Uterus. C) Vagina. D) Cervix. Show Answer Correct Answer: A) Fallopian tube. 10. Why the male testes are located outside the body in scrotum? A) It looks pretty. B) It helps maintain correct pH of sperm. C) The temperature of sperm production is more favourable. D) The quantity of sperm secreted is increased. Show Answer Correct Answer: C) The temperature of sperm production is more favourable. 11. What is the name of the hormone that maintains the uterine lining during pregnancy? A) Progesterone. B) Insulin. C) Testosterone. D) Estrogen. Show Answer Correct Answer: A) Progesterone. 12. It carries the sperm from the testes to the urethra. A) Scrotum. B) Testis. C) Seminal vesicle. D) Vas deferens. Show Answer Correct Answer: A) Scrotum. 13. What happens when a sperm enters the cytoplasm of the secondary oocyte? A) Release of first polar body. B) Completion of meiosis II. C) Degeneration of polar bodies. D) Dissolution of zona pellucida. Show Answer Correct Answer: B) Completion of meiosis II. 14. Which hormone helps control the menstrual cycle and stimulates the growth ofeggs in the ovaries? A) Follicle stimulating hormone. B) Progesterone. C) Estrogen. D) Testosterone. Show Answer Correct Answer: A) Follicle stimulating hormone. 15. What organ produces egg cells? A) Lungs. B) Ovaries. C) Testes. D) Sperm. Show Answer Correct Answer: B) Ovaries. 16. What process involves an egg being discharged from an ovary? A) Fertilisation. B) Ovulation. C) Negative feedback. D) Freedom. Show Answer Correct Answer: B) Ovulation. 17. Which of the following is a role of oestrogen in the menstrual cycle? A) Repair of lining of uterus. B) Stimulate ovulation. C) Stimulate follicle to develop. D) Cause the breakdown of the uterus lining. Show Answer Correct Answer: A) Repair of lining of uterus. 18. Approximately how long is the menstrual cycle? A) 21 days. B) 28 days. C) 32 days. D) 18 days. Show Answer Correct Answer: B) 28 days. 19. Which of the following contains the actual genetic part of a sperm A) Whole of it. B) Tail. C) Middle piece. D) Head. Show Answer Correct Answer: D) Head. 20. Signals for parturition originate from A) Fully developed foetus. B) Placenta. C) Oxytocin released from maternal pituitary. D) Both placenta as well as fully developed foetus. Show Answer Correct Answer: D) Both placenta as well as fully developed foetus. 21. What do you call the cylinder-shaped neck that connects the uterus and the birth canal? A) Fallopian tube. B) Ovaries. C) Cervix. D) Vagina. Show Answer Correct Answer: C) Cervix. 22. Acrosomal reaction of the sperm occurs due to A) Its contact with zona pellucida of the ova. B) Reactions within the uterine environment of the female. C) Reactions within the epididymal environment of the male. D) Androgens produced in the uterus. Show Answer Correct Answer: A) Its contact with zona pellucida of the ova. 23. If each human gamete has 23 chromosomes, how many chromosomes does the resulting zygote have after fertilization? A) 46 chromosomes. B) 92 chromosomes. C) 23 chromosomes. D) 44 chromosomes. Show Answer Correct Answer: A) 46 chromosomes. 24. The fatty tissue of vulva A) Mons pubis. B) Clitoris. C) Hymen. D) Labia minora. Show Answer Correct Answer: A) Mons pubis. 25. Name the part of male reproductive system that has function to carries sperm from where they are made into the urethra is ..... A) Epididymis. B) Seminal vesicle. C) Vas deferens. D) Cowper's gland. Show Answer Correct Answer: C) Vas deferens. ← 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