This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 75 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 75 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The female sex hormones estrogen and progesterone areproduced in the A) Umbilical cord. B) Ovaries. C) Pituitary gland. D) Placenta. Show Answer Correct Answer: B) Ovaries. 2. Fallopian tubes are connected to A) Uterus. B) Vagina. C) Ovary. D) Bladder. Show Answer Correct Answer: A) Uterus. 3. The location where an egg is fertilized. A) Vas differens. B) Uterus. C) Fallopian tubes. D) Ovaries. Show Answer Correct Answer: C) Fallopian tubes. 4. How many chromosomes does a single sperm carry? A) 22. B) 23. C) 42. D) 46. Show Answer Correct Answer: B) 23. 5. A human female has the ability to reproduce A) From puberty till death. B) From puberty in menarche. C) From puberty till menopause. D) From birth till menarche. Show Answer Correct Answer: C) From puberty till menopause. 6. Biology is the study of? A) The body. B) Life. C) The universe. D) Atoms and molecules. Show Answer Correct Answer: B) Life. 7. Assertion:Corpus luteum degenerates if the ovum remains unfertilized. Reason:Corpus luteum secretes progesterone which maintains pregnancy A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. Show Answer Correct Answer: A) Both A and R are true and R is the correct explanation of A. 8. In humans, at the end of the first meiotic division, the male germ cells differentiate into the A) Primary spermatocytes. B) Secondary spermatocytes. C) Spermatids. D) Spermatozonia. Show Answer Correct Answer: B) Secondary spermatocytes. 9. The acrosome enables the sperm to A) Help in motility. B) Produce energy for activity. C) Penetrate oolemma of ovum. D) Fertilize more than one ovum. Show Answer Correct Answer: C) Penetrate oolemma of ovum. 10. Secondry spermatocycyte undergo second miotic division during spermatogenesis to produce A) Spermatozoa. B) Diploid spermatid. C) Primary spermatocyte. D) Haploid spermatid. Show Answer Correct Answer: D) Haploid spermatid. 11. Which one here is not a hormone? A) Luteinizing hormone. B) Testosterone. C) Ovary. D) Estrogen. Show Answer Correct Answer: C) Ovary. 12. Foetal limbs and digits are formed during ..... month of embryonic development A) 3rd. B) 7th. C) 2nd. D) 4th. Show Answer Correct Answer: C) 2nd. 13. Which of the following is not present in testicular lobule? A) Seminiferous tubules. B) Leydig cells. C) Sertoli cells. D) Theca cells. Show Answer Correct Answer: D) Theca cells. 14. Seminal plasma is rich in (2010) A) Fructose & calcium. B) Glucose & calcium. C) DNA & testosterone. D) Ribosome & potassium. Show Answer Correct Answer: A) Fructose & calcium. 15. What would happen if a man lost one of his testes? A) He wouldn't be able to get a woman pregnant. B) He wouldn't be able to produce any testosterone. C) He would stop making sperm. D) He would produce less sperm. Show Answer Correct Answer: D) He would produce less sperm. 16. The time when emotional and physical changes happen to teenagers is called: A) Acquiescence. B) Adolescence. C) Senescence. D) Commonsense. Show Answer Correct Answer: B) Adolescence. 17. What is the term for the unborn baby during pregnancy? A) Embryo. B) Foetus. C) Gamete. D) Zygote. Show Answer Correct Answer: B) Foetus. 18. Identify the following stages of adolescence:Secondary sexual characteristics appear. A) EARLY adolescence. B) MIDDLE adolescence. C) LATE adolescence. D) None of the above. Show Answer Correct Answer: A) EARLY adolescence. 19. Progesterone is initially secreted in females by A) Graafian Follicle. B) Corpus Luteum. C) Placenta. D) Tertiary Follicle. Show Answer Correct Answer: B) Corpus Luteum. 20. Sexual reproduction is vital to the propagation of the Human race. Which of the following sequences represents the correct order of events in the formation of a human fetus? A) Zygote $\rightarrow$ Embryo $\rightarrow$ Fetus. B) Fetus $\rightarrow$ Zygote $\rightarrow$ Embryo. C) Embryo $\rightarrow$ Fetus $\rightarrow$ Zygote. D) None of the above. Show Answer Correct Answer: A) Zygote $\rightarrow$ Embryo $\rightarrow$ Fetus. 21. The correct surgical procedure as a contraceptive method is A) Ovariectomy. B) Hysterectomy. C) Vasectomy(. D) (d) castration. Show Answer Correct Answer: C) Vasectomy(. 22. Progesterone attains peak level in which phase of menstrual cycle? A) Bleeding phase. B) Proliferative phase. C) Luteal phase. D) Follicular phase. Show Answer Correct Answer: C) Luteal phase. 23. Sertoli cells which line the seminiferous tubules from inside A) Undergo meiotic division to produce sperms. B) Provide nutrition to the germ cells. C) Synthesise and secrete testicular hormones. D) All of these. Show Answer Correct Answer: B) Provide nutrition to the germ cells. 24. Which type of contraception am i? Contraceptive pill A) Barrier. B) Hormonal. C) All the above. D) None of the above. Show Answer Correct Answer: B) Hormonal. 25. Which cells secretes testosterone? A) Germinal Cells. B) Ledig cells. C) Oogonia. D) Sertoli cells. Show Answer Correct Answer: B) Ledig cells. ← 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