This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 74 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 74 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The glandular accessory organ which produces the largest proportion of semen is ..... A) Seminal vesicle. B) Bulbourethral gland. C) Prostate gland. D) Mucous gland. Show Answer Correct Answer: A) Seminal vesicle. 2. What is the normal length of a human pregnancy? A) 9 weeks. B) 30 weeks. C) 40 weeks. D) 50 weeks. Show Answer Correct Answer: C) 40 weeks. 3. Identify the following body changes during puberty:Getting hairy on armpit and genital areas A) Boys ONLY. B) BOTH boys and Girls. C) Girls ONLY. D) None of the above. Show Answer Correct Answer: B) BOTH boys and Girls. 4. Which of the following is not a part of the female reproductive system? A) Ovary. B) Sperm duct. C) Vagina. D) Fallopian duct. Show Answer Correct Answer: B) Sperm duct. 5. The menstrual cycle lasts about ..... A) 14 days. B) 28 days. C) One week. D) 2 days. Show Answer Correct Answer: B) 28 days. 6. The hormone that initiates the proliferation of endometrium A) Follicle stimulating hormone. B) Oestrogen. C) Progesterone. D) Luteinizing hormone. Show Answer Correct Answer: B) Oestrogen. 7. Identify the following body changes during puberty:Having menstruation or monthly period A) Boys ONLY. B) BOTH boys and Girls. C) Girls ONLY. D) None of the above. Show Answer Correct Answer: C) Girls ONLY. 8. After fertilization, the zygote increases in size and travels down the Fallopian tube to become embedded in the walls of the womb. This process is known as A) Implantation. B) Ovulation. C) Menstruation. D) Conception. Show Answer Correct Answer: A) Implantation. 9. The part of the fallopian tube closest to the ovary is (2010) A) Isthumus. B) Infundibulum. C) Cervix. D) Ampulla. Show Answer Correct Answer: B) Infundibulum. 10. Corpus luteum A) Degenerates during pregnancy. B) Later forms corpus albicans. C) Remains present throughout pregnancy. D) Decreases in size during pregnancy. Show Answer Correct Answer: B) Later forms corpus albicans. 11. Zygote is a A) Blastocyst. B) Fertilized egg. C) Two-celled embryo. D) Solid ball of about 50 cells. Show Answer Correct Answer: B) Fertilized egg. 12. When will the menstrual cycle start over again A) The egg is fertilized. B) The egg is not fertilized. C) All the above. D) None of the above. Show Answer Correct Answer: B) The egg is not fertilized. 13. Spermiogenesis changes A) Spermatogonium to primary spermatocytes. B) Primary spermatocytes to secondary spermatocytes. C) Secondary spermatocytes to spermatids. D) Spermatids to sperms. Show Answer Correct Answer: D) Spermatids to sperms. 14. Which gamete is made in the ovaries? A) Spores. B) Sperm. C) Eggs. D) All of the above. Show Answer Correct Answer: C) Eggs. 15. First movement of the foetus and appearance of hair on the head are usually appear during A) 2nd month. B) 5th month. C) 3rd month. D) 6th month. Show Answer Correct Answer: B) 5th month. 16. Which of these can be used to cure infertility in couples where male partner has very low sperm count? A) IUD. B) GIFT. C) IUI. D) None of these. Show Answer Correct Answer: C) IUI. 17. Below urinary bladder is situated A) Seminal vesicle. B) Epididymis. C) Prostate gland. D) Prepuce. Show Answer Correct Answer: C) Prostate gland. 18. What is the chemical nature of many hormones? A) Carbohydrate. B) Nucleic acid. C) Vitamins. D) Protein. Show Answer Correct Answer: D) Protein. 19. The sertoli cells are located in A) Caput epididymis. B) Cauda epididymis. C) Seminiferous tubules. D) Germinal epithelium. Show Answer Correct Answer: C) Seminiferous tubules. 20. The single cell created after fertilisation is called: A) Fetus. B) Baby. C) Zygote. D) Gamete. Show Answer Correct Answer: C) Zygote. 21. Which statement describes one function of the placenta in mammals? A) It allows blood of the mother to mix with the blood of the fetus. B) It contains fluid that protects the embryo from harm. C) It removes waste products that are produced in the cells of the fetus. D) It synthesizes food for the embryo. Show Answer Correct Answer: C) It removes waste products that are produced in the cells of the fetus. 22. Seed dispersal is needed for plants to prevent overcrowding. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. Which one of the followings is incorrectly matched regarding female reproductive organs? A) Ovaries-eggs and sex hormones are produced. B) Oviducts-serves as the site of fertilization. C) Uterus-Serves as the birth canal. D) Cervix-Contains opening to embryo/fetus. Show Answer Correct Answer: C) Uterus-Serves as the birth canal. 24. The pituitary hormone that stimulates the production of testicular hormone A) Follicle stimulating hormone. B) Lutenising hormone. C) Oestrogen. D) Testosterone. Show Answer Correct Answer: B) Lutenising hormone. 25. A fertilised egg is called what? A) Baby. B) Zygote. C) Embryo. D) Cell. Show Answer Correct Answer: B) Zygote. ← 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