This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 32 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the term for the shedding of the uterine lining in females if fertilization does not occur? A) Menstruation. B) Ovulation. C) Implantation. D) Fertilization. Show Answer Correct Answer: A) Menstruation. 2. Which of the following describes fertilization? A) Cell differentiation to form a blastula. B) A sperm joining an egg to form a zygote. C) Formation of germ layers in a deuterostome. D) Sperm and egg production. Show Answer Correct Answer: B) A sperm joining an egg to form a zygote. 3. The released oocyte is in stage A) Secondary follicle. B) Primary oocyte. C) Secondary oocyte. D) Ovum. Show Answer Correct Answer: C) Secondary oocyte. 4. In what order do the following process occur?FertilizationMitosisMeiosisBirth A) BirthFertilizationMitosisMeiosis. B) FertilizationMeiosisBirthMitosis. C) MeiosisMitosisFertilizationBirth. D) MeiosisFertilizationMitosisBirth. Show Answer Correct Answer: D) MeiosisFertilizationMitosisBirth. 5. Human somatic cells have A) A haploid number of 46 chromosomes . B) A diploid number of 46 chromosomes. C) A haploid number of 23 chromosomes. D) A diploid number of 23 chromosomes. Show Answer Correct Answer: B) A diploid number of 46 chromosomes. 6. What happens during menstruation (period)? A) The lining of the uterus breaks down and is released through the vagina. B) An egg is released from the ovary. C) The embryo embeds itself into the thickened lining of the uterus. D) Semen moves from the vas deferens out of the body. Show Answer Correct Answer: A) The lining of the uterus breaks down and is released through the vagina. 7. What does the Ectoderm not give rise to? A) Skin. B) Nails. C) Hair. D) Skeleton. Show Answer Correct Answer: D) Skeleton. 8. Determine the phase of menstrual cycle which the endometrium become thickened vascular and glandular A) Luteal phase. B) Follicular phase. C) Secretory phase. D) Proliferative phase. Show Answer Correct Answer: C) Secretory phase. 9. The mature egg is released into the fallopian tube (oviduct) during which process? A) Implantation. B) Fertilization. C) Ovulation. D) Digestion. Show Answer Correct Answer: C) Ovulation. 10. Which genetic combination correctly represents a female? A) XY. B) XZ. C) YY. D) XX. Show Answer Correct Answer: D) XX. 11. Which of the following is not an accessory duct of human male reproductive system? A) Vas Deferens. B) Vasa Efferentia. C) Epididymis. D) Fallopian tube. Show Answer Correct Answer: D) Fallopian tube. 12. Mitotic division in zygote as it moves through the isthmus of the oviduct is called:[ A) Multiple fission. B) Binary fission. C) Trophoblast. D) Cleavage. Show Answer Correct Answer: D) Cleavage. 13. Which of the following have 23 pair of chromosomes A) Sperms. B) Ovum. C) Spermatogonia. D) Second polar body. Show Answer Correct Answer: C) Spermatogonia. 14. An increase in FSH may also indicate a reduction in the production of good quality eggsand embryos for ..... A) Fertilization. B) Menstruation. C) Ovulation. D) All of the choices. Show Answer Correct Answer: A) Fertilization. 15. Where are the fem. reproductive organs located? A) In the highest abdomen. B) In the lower abdomen. C) No of the above. D) None of the above. Show Answer Correct Answer: B) In the lower abdomen. 16. Identify the following body changes during puberty:Having excessive sweating 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. 17. The sudden rise in LH leads to A) Implantation. B) Ovulation. C) Menstruation. D) Folliculogenesis. Show Answer Correct Answer: B) Ovulation. 18. Which among the following has 23 chromosomes? A) Spermatogonia. B) Zygote. C) Secondary oocyte. D) Oogonia. Show Answer Correct Answer: C) Secondary oocyte. 19. The process when a woman's egg and a man's sperm join to form a zygote is named: A) Fertilization. B) Embryo. C) Cell division. D) Cell specialization. Show Answer Correct Answer: A) Fertilization. 20. After fertilisation, the new cell produced is known as ..... A) Zygote. B) Embryo. C) Foetus. D) Ovum. Show Answer Correct Answer: A) Zygote. 21. Hormone produced by the ovaries and stimulates the development of feminine characteristics A) Testosterone. B) Sperm. C) Egg. D) Estrogen. Show Answer Correct Answer: D) Estrogen. 22. What allows oxygen and other nutrients to travel from the mothers blood to the baby? A) The placenta. B) The uterus. C) The cervix. D) The oviduct. Show Answer Correct Answer: A) The placenta. 23. Which one of the following statements about morula in humans is correct? (NEET-2010) A) It has equal quantity of cytoplasm as uncleaved zygote but much more DNA. B) It has far less cytoplasm as well as less DNA than in an uncleaved zygote. C) It has more or less equal quantity of cytoplasm and DNA as uncleaved zygote. D) It has moe cytoplasm and more DNA than an uncleaved zygote. Show Answer Correct Answer: A) It has equal quantity of cytoplasm as uncleaved zygote but much more DNA. 24. Which one is odd from the following structures with reference to the male reproductive system. A) Rete testis. B) Epididymis. C) Vasa efferentia. D) Isthmus. Show Answer Correct Answer: D) Isthmus. 25. During the menstrual cycle, day 14 is when A) The period ends. B) She is not likely to become pregnant. C) Ovulation occurs. D) The period starts. Show Answer Correct Answer: C) Ovulation occurs. ← 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