This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Increasing LH: A) Is produced by the corpus luteum. B) Breaks down the endometrium. C) Causes ovulation. D) Builds up the endometrium. Show Answer Correct Answer: C) Causes ovulation. 2. Indicate the statement which incorrectly describes the structure and its role in male reproductive system. A) Seminiferous tubules produce sperm. B) Epididymis stores immature sperm. C) Seminal vesicles contribute the largest amount of fluid in semen. D) Prostate gland produces acidic fluid to cleanse the urethra. Show Answer Correct Answer: D) Prostate gland produces acidic fluid to cleanse the urethra. 3. The leydig cells as found in the human body are the secretory source of A) Progesterone. B) Seminal plasma. C) Glucagon. D) Androgen. Show Answer Correct Answer: D) Androgen. 4. On average, how many days does the menstrual cycle last? A) 7. B) 14. C) 21. D) 28. Show Answer Correct Answer: D) 28. 5. What part of the sperm helps in penetration in the ovum? A) Tail. B) Acrosome. C) Mitochondria. D) All of these. Show Answer Correct Answer: B) Acrosome. 6. ON AVERAGE, when is a person most fertile (able to become pregnant) during their menstrual cycle? A) About halfway between the start of one menstruation and the next. B) At the start of menstruation. C) 1-5 days before the start of menstruation. D) 5-10 days after the start of menstruation. Show Answer Correct Answer: A) About halfway between the start of one menstruation and the next. 7. What hormones that make endometrium thicker are ..... A) Estrogen and progesterone. B) FSH and progesterone. C) LH and estrogen. D) LH and FSH. Show Answer Correct Answer: A) Estrogen and progesterone. 8. Placenta is A) Storage organ. B) Conductor of nerve impulses. C) Meant for protection of embryo from shocks. D) Channel for providing essential requirements for growth of embryo. Show Answer Correct Answer: D) Channel for providing essential requirements for growth of embryo. 9. What is the correct term for sex cells (sperm and eggs in humans)? A) Blastocysts. B) Zygotes. C) Gametes. D) Periods. Show Answer Correct Answer: C) Gametes. 10. In oogenesis haploid egg is fertilised by sperm at which stage? A) Primary oocyte. B) Secondary oocyte. C) Oogonium. D) Ovum. Show Answer Correct Answer: B) Secondary oocyte. 11. Which of the following sequences represents the correct order of events in the formation of a human fetus? A) Zygote $\rightarrow$ Blastocyst $\rightarrow$ Embryo $\rightarrow$ Fertilization. B) Fertilization $\rightarrow$ Zygote $\rightarrow$ Blastocyst $\rightarrow$ Embryo. C) Blastocyst $\rightarrow$ Embryo $\rightarrow$ Differentiation $\rightarrow$ Zygote. D) Fertilization $\rightarrow$ Growth $\rightarrow$ Differentiation $\rightarrow$ Zygote. Show Answer Correct Answer: B) Fertilization $\rightarrow$ Zygote $\rightarrow$ Blastocyst $\rightarrow$ Embryo. 12. Which is NOT a part of sexual reproduction? A) Egg. B) Embryo. C) Ovary. D) Rock. Show Answer Correct Answer: D) Rock. 13. Kemampuan manusia untuk menghasilkan keturunan baru disebut ..... A) Iritabilitas. B) Reproduksi. C) Respirasi. D) Regenerasi. Show Answer Correct Answer: B) Reproduksi. 14. Bat is a A) Marsupial. B) Monotreme. C) Placental mammal. D) Bird. Show Answer Correct Answer: C) Placental mammal. 15. Which one of the following is not the function of placenta? It A) Facilitates supply of oxygen and nutrients to embryo. B) Secretes oestrogen. C) Facilitates removal of carbon dioxide and waste material from embryo. D) Secretes oxytocin during parturition. Show Answer Correct Answer: D) Secretes oxytocin during parturition. 16. After fertilisation, a woman is pregnant A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 17. Ovulation is when a/an ..... is released A) Sperm. B) Egg. C) Semen. D) Water. Show Answer Correct Answer: B) Egg. 18. Female gamate is called A) Ovum. B) Sperm. C) Zygote. D) Foetus. Show Answer Correct Answer: A) Ovum. 19. Where are hormones released from? A) Organs. B) Tissues. C) Bones. D) Glands. Show Answer Correct Answer: D) Glands. 20. What fetal structures are responsible for obtaining nutrients and oxygen from the mother? A) The yolk sac. B) The fetal aorta. C) The allantois. D) The chorionic villi. Show Answer Correct Answer: D) The chorionic villi. 21. Where does implantation of zygote occur? A) Ovary. B) Uterus. C) Testis. D) Fallopian tube. Show Answer Correct Answer: B) Uterus. 22. A period of time when a woman stops going through her menstrual cycle because her body no longer has any eggs is called? A) Puberty. B) Ovulation. C) Menopause. D) Menstruation. Show Answer Correct Answer: C) Menopause. 23. An ambulance driver beatingthe time A) Pancreas. B) Thymus Gland. C) Pituitary Gland. D) Adrenal Gland. E) Ovaries. Show Answer Correct Answer: D) Adrenal Gland. 24. Sex cells, also known as gametes, are produced IN the A) Spermatozoa. B) Ova. C) Nucleus. D) Gonads. Show Answer Correct Answer: D) Gonads. 25. Among human males, both semen and urine normally travel along the A) Vas defrens. B) Urethra. C) Bladder. D) Seminal vesicles. Show Answer Correct Answer: B) Urethra. ← 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 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 10Class 12 Biology Chapter 3 Human Reproduction Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books