This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 81 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 81 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many container does each testis have A) 250. B) 256. C) 249. D) None of the above. Show Answer Correct Answer: A) 250. 2. The function of cytoplasm in the ovum is to A) Hold the chromosomes. B) Create energy. C) Protect the egg. D) Provide nutrients. Show Answer Correct Answer: D) Provide nutrients. 3. Which is the part of male reproductive system? A) Cervix. B) Vagina. C) Seminal vescicle. D) None of the above. Show Answer Correct Answer: C) Seminal vescicle. 4. Which two hormones are produced in the ovaries and control the thickness of the endometrial lining A) FSH and LH. B) LH and estrogen. C) FSH and estrogen. D) Estrogen and progesterone. Show Answer Correct Answer: D) Estrogen and progesterone. 5. The part of the male reproductive system that produces male sex cells and hormones is called the ..... A) Sperm duct. B) Uretha. C) Testis. D) Penis. Show Answer Correct Answer: C) Testis. 6. Which of the following structures are derivatives of the endoderm? A) Skin and nerve cord. B) Alimentary canal and respiratory structures. C) Muscles and blood. D) Excretory and reproductive structures. Show Answer Correct Answer: B) Alimentary canal and respiratory structures. 7. What is the term for the process by which sperm and egg combine to form a zygote? A) Conception. B) Merging. C) Fertilization. D) Fusion. Show Answer Correct Answer: C) Fertilization. 8. Where does the embryo grow? A) Uterus. B) Vagina. C) Ovary. D) Tummy. Show Answer Correct Answer: A) Uterus. 9. A tubular connection between embryo and mother A) Placenta. B) Allantois. C) Umbilical cord. D) Yolk sac. Show Answer Correct Answer: C) Umbilical cord. 10. Which one of the following describes the correct sequence of stages during embryogenesis? A) Blastula formation, cleavage, gastrulation. B) Blastula formation, gastrulation, cleavage. C) Cleavage, gastrulation, blastula formation. D) Cleavage, blastula formation, gastrulation. Show Answer Correct Answer: D) Cleavage, blastula formation, gastrulation. 11. How many eggs are released during each ovluation cycle? A) One. B) Millions. C) Billions. D) None of the above. Show Answer Correct Answer: A) One. 12. The site of embryo implantation is the ..... A) Uterus. B) Peritoneal cavity. C) Vagina. D) Fallopian tube. Show Answer Correct Answer: A) Uterus. 13. Also called the womb, the place where a fertilised egg develops is the ..... A) Urethra. B) Uterus. C) Scrotum. D) Vagina. Show Answer Correct Answer: B) Uterus. 14. The amniotic sac A) Is a fluid filled sac you can save after birth to use as a purse. B) Grows around the entire baby inside the uterus. It is filled with fluid that helps cushion and protect the growing embryo. C) A special baby carrier that grows on the outside of the mother during pregnancy. D) None of the above. Show Answer Correct Answer: B) Grows around the entire baby inside the uterus. It is filled with fluid that helps cushion and protect the growing embryo. 15. This is also called the birth canal A) Cervix. B) Uterus. C) Vagina. D) Fallopian tube. Show Answer Correct Answer: C) Vagina. 16. Foetal movements and appearance of hair on head occur in ..... month of pregnancy. A) Fifth. B) Sixth. C) Third. D) Second. Show Answer Correct Answer: A) Fifth. 17. Which one of the following is not incorrect? A) Ovary is also called womb. B) Myometrium is middle thick layer of uterus. C) The clitoris lies at the lower junction of two labia minora. D) Opening of uterus covered by hymen. Show Answer Correct Answer: B) Myometrium is middle thick layer of uterus. 18. The embryo in ..... stage gets implanted into the endometrial lining of the uterus. A) Zygote. B) Morula. C) Blastocyst. D) Gastrula. Show Answer Correct Answer: C) Blastocyst. 19. The presence or absence of ..... is not a reliable indicator of virginity. A) Uterus. B) Hymen. C) Labia minora. D) None of the above. Show Answer Correct Answer: B) Hymen. 20. Which hormone causes ovulation? A) Progesterone. B) LH. C) FSH. D) Testosterone. Show Answer Correct Answer: B) LH. 21. Intensely lactating mothers do not generally conceive due to the A) Suppression of gonadotropins. B) Hypersecretion of gonadotropins . C) Suppression of gametic transport. D) Suppression of gametic transport. Show Answer Correct Answer: A) Suppression of gonadotropins. 22. Harmone that prepared and mauntain the uterus during pregnancy is produced by A) Corpus albicans. B) Corpus luteum. C) Graffian follicles. D) Corpora cardiaca. Show Answer Correct Answer: B) Corpus luteum. 23. After fertilization, how long does it take for a foetus to develop before birth? A) 20 weeks. B) 38 weeks. C) 46 weeks. D) 52 weks. Show Answer Correct Answer: B) 38 weeks. 24. Large amounts of progesterone is secreted by A) Corpus germinativum. B) Corpus luteum. C) Corpus cavernosa. D) Corpus pellucida. Show Answer Correct Answer: B) Corpus luteum. 25. Breeding by marriage is also called ..... A) Generative. B) Vegetative. C) Asexual. D) Pollination. Show Answer Correct Answer: A) Generative. ← 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