This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of these is the name for human embryonic development? A) A placenta. B) A navel. C) A blastocyst. D) A contraction. Show Answer Correct Answer: C) A blastocyst. 2. What is a male sex cell called A) Zygote. B) Egg. C) Sperm. D) None of the above. Show Answer Correct Answer: C) Sperm. 3. When a mature egg leaves the ovary, it enters the A) Ovarian fimbraie. B) Endometrium. C) Interstitial cells. D) Oviduct. Show Answer Correct Answer: A) Ovarian fimbraie. 4. The leydig's cells as found in human body are the secretory source of (2012) A) Progesterone. B) Intestinal mucus. C) Glucagon. D) Androgens. Show Answer Correct Answer: D) Androgens. 5. Changes in GnRH pulse frequency in females is controlled by circulating levels of A) Oestrogen and inhibin. B) Progesterone only. C) Progesterone and inhibin. D) Oestrogen and progesterone. Show Answer Correct Answer: D) Oestrogen and progesterone. 6. If one ovary is removed from a women, she will A) Produce ovum in alternate month. B) Not produce estrogen. C) Produce ovum every month. D) Not produce ovum at all. Show Answer Correct Answer: C) Produce ovum every month. 7. Which hormone stimulates the development of the endometrium? A) Oestrogen. B) Progesterone. C) Luteinizing hormone. D) Follicle-stimulating hormone. Show Answer Correct Answer: A) Oestrogen. 8. The ovarian cycle has three stages: A) Follicular phase, ovulation and secretory phase. B) Menstrual phase, ovulation and secretory phase. C) Follicular phase, ovulation and proliferation phase. D) None of the above. Show Answer Correct Answer: A) Follicular phase, ovulation and secretory phase. 9. Approximately how long does it take for childbirth to occur, from fertilization to birth? A) 9 Months. B) 12 Months. C) 15 Months. D) None of the above. Show Answer Correct Answer: A) 9 Months. 10. LH surge leads to ..... in females A) Ovulation. B) Gestation. C) Lactation. D) None of the above. Show Answer Correct Answer: A) Ovulation. 11. Fertilization of human ovum takes place in the: A) Ovary. B) Uterus. C) Oviduct. D) Cervix. Show Answer Correct Answer: C) Oviduct. 12. Which structure stores mature sperm? A) Testis. B) Seminal vesicles. C) Epididymis. D) Prostate Gland. Show Answer Correct Answer: C) Epididymis. 13. A normal ovum and a normal sperm carry the same number of chromosomes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Menstrual cycle occurs in A) All females. B) Mammalian females. C) Primate females. D) Rabbits. Show Answer Correct Answer: C) Primate females. 15. Correct sequence of hormone secretion from beginning of menstruation is A) FSH, progesterone, estrogen. B) Estrogen, FSH, progesterone. C) FSH, estrogen, , progesterone. D) Estrogen, progesterone, FSH. Show Answer Correct Answer: C) FSH, estrogen, , progesterone. 16. Identify the following stages of adolescence:Moving from a child-parent/ guardian relationship to more adult-adult relationships. A) EARLY adolescence. B) MIDDLE adolescence. C) LATE adolescence. D) None of the above. Show Answer Correct Answer: C) LATE adolescence. 17. Capacitation occurs in A) Rete testis. B) Epididymis. C) Vas deferens. D) Female reproductive tract. Show Answer Correct Answer: D) Female reproductive tract. 18. The chemical present on the ovum that results in agglutation reaction A) Antifertilizin. B) Agglutination. C) Fertilizin. D) Acrosome. Show Answer Correct Answer: C) Fertilizin. 19. The joining of a sperm cell and an egg is called ..... A) Embryo. B) Zygote. C) Fetus. D) Fertilization. Show Answer Correct Answer: D) Fertilization. 20. On what day does ovulation occur? A) Day 1. B) Day 10. C) Day 14. D) Day 28. Show Answer Correct Answer: C) Day 14. 21. How many sperm are needed to fertilize an ovum (egg)? A) 1 million. B) 1. C) 10. D) 10, 000. Show Answer Correct Answer: B) 1. 22. Where in the male reproductive system are sperm produced? A) Testes. B) Sperm duct. C) Penis. D) Prostate gland. Show Answer Correct Answer: A) Testes. 23. Extrusion of second polar body from egg nucleus occurs: A) After entry of sperm but before fertilization. B) After fertilization. C) Before entry of sperm into ovum. D) Simultaneously with first cleavage. Show Answer Correct Answer: A) After entry of sperm but before fertilization. 24. During this trimester, the fetus grows and the organs finish developing. A) First. B) Second. C) Third. D) None of the above. Show Answer Correct Answer: C) Third. 25. Sexual maturity is reached during the period of ..... A) Hormone. B) Maturing. C) Growth spurt. D) Puberty. Show Answer Correct Answer: D) Puberty. ← 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 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