This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 43 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ovum that has been fertilised by sperm turns into ..... and then divide itself to form multiple cells known as ..... A) Embryo, zygote. B) Zygote, embryo. C) Embryo, foetus. D) Foetus, embryo. Show Answer Correct Answer: B) Zygote, embryo. 2. Which of the following layers in an antral follicle is acellular? A) Stroma. B) Zona pellucida. C) Granulosa. D) Theca interna. Show Answer Correct Answer: B) Zona pellucida. 3. What is the term for the release of an egg from the ovary? A) Menstruation. B) Implantation. C) Fertilization. D) Ovulation. Show Answer Correct Answer: D) Ovulation. 4. In the female reproductive diagram, which structure connects the ovary to the uterus and is the usual site of fertilization? A) Uterus central muscular organ. B) Fallopian tube connecting ovary and uterus. C) Vagina external canal to body. D) Ovary producing female gametes. Show Answer Correct Answer: B) Fallopian tube connecting ovary and uterus. 5. Identify the following body changes during puberty:Appearance of Adam's apple A) Boys ONLY. B) BOTH boys and Girls. C) Girls ONLY. D) None of the above. Show Answer Correct Answer: A) Boys ONLY. 6. Oogenesis results in the formation of: A) 1 ovum; 3 polar bodies. B) 2 ova; 2 polar bodies. C) 1 ovum; 3 secondary oocytes. D) 4 ova. Show Answer Correct Answer: A) 1 ovum; 3 polar bodies. 7. The vas deferens receives duct from the seminal vesicle and opens into urethra as: A) Epididymis. B) Ejaculatory duct. C) Efferent ductule. D) Ureter. Show Answer Correct Answer: B) Ejaculatory duct. 8. Fertilization usually happens here A) Ovaries. B) Uterus. C) Fallopian tube. D) None of the above. Show Answer Correct Answer: C) Fallopian tube. 9. Which change during puberty happens to boys and girls? A) Hips widen. B) Underarm hair grows. C) Facial hair grows. D) None of the above. Show Answer Correct Answer: B) Underarm hair grows. 10. What part of the female reproduction system comes after the vagina? A) The fallopian tubes. B) The cervix. C) The ovaries. D) None of the above. Show Answer Correct Answer: B) The cervix. 11. Ovulation in a typical, or "average, " cycle usually occurs on day ..... A) 7. B) 21. C) 14. D) 28. Show Answer Correct Answer: C) 14. 12. The process of development of follicles A) Fertilisation. B) Folliculogenesis. C) Oogenesis. D) Ovulation. Show Answer Correct Answer: B) Folliculogenesis. 13. What normally happens on day 14 of the menstrual cycle? A) Period (menstruation). B) Egg released (ovulation). C) Egg dies if not fertilised. D) Lining of the womb starts to thicken. Show Answer Correct Answer: B) Egg released (ovulation). 14. ..... occurs in males during the period between puberty and senility A) Oogenesis. B) Spermatogenesis. C) Spermiogenesis. D) None of the above. Show Answer Correct Answer: B) Spermatogenesis. 15. The study of how traits are inherited through the interactions of genes. A) Genetics. B) Heredity. C) Trait. D) Allele. Show Answer Correct Answer: A) Genetics. 16. What is the process called when a sperm fertilises an egg? A) Fertilisation. B) Ovulation. C) Gestation. D) Menstruation. Show Answer Correct Answer: A) Fertilisation. 17. Morula stage is generally observed in A) Infundibulum region. B) Ampulla region. C) Isthmus region. D) Womb. Show Answer Correct Answer: C) Isthmus region. 18. One feature that is common to both sperm (male gamete) and egg (female gamete) is A) A diameter of approximately 100 micrometers. B) The abundance of mitochondria in cytoplasm. C) A haploid nucleus. D) A food store. Show Answer Correct Answer: C) A haploid nucleus. 19. Identify the following body changes during puberty:Experience growth spur 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. 20. Assertion-the presence of X AND Y chromosomes in the sperm determine the sex of embryo.reason-all the eggs have ONE X chromosomes. A) Both assertion and resonare correct and reason is correct explaination of assertion. B) Both assertion and resonare correct and reason is not correct explaination of assertion. C) Assertion is true but reason is false. D) Both assertion and reason are false. Show Answer Correct Answer: B) Both assertion and resonare correct and reason is not correct explaination of assertion. 21. Which of these are the male reproductive organs? A) Oestrogen + Penis. B) Vagina + Testosterone. C) Penis + Testes. D) Uterus + Glutes. Show Answer Correct Answer: C) Penis + Testes. 22. Ectopic pregnancies are referred to as A) Pregnancies with genetic abnormality. B) Implantation of embryo at site other than uterus. C) Implantation of defective embryo in the uterus. D) Pregnancies terminated due to the hormonal imbalance. Show Answer Correct Answer: B) Implantation of embryo at site other than uterus. 23. When egg is not fertilized, yellow coloured corpus luteum degenerates to form A) Corpus albicans. B) Corpus callosum. C) Corpora bigemina. D) Corpora quandrigemina. Show Answer Correct Answer: A) Corpus albicans. 24. In what structure does the secondary oocyte start Meoisis II? A) Primary follicle. B) Primordial follicle. C) Eiffel Tower. D) Graafian follicle. Show Answer Correct Answer: D) Graafian follicle. 25. Which gamete is made my males and only males? A) Spores. B) Sperm. C) Eggs. D) All of the above. Show Answer Correct Answer: B) Sperm. ← 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