This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Identify the correct route of sperm movement A) Rete testis-epididymis-vasa efferentia-vas deferens. B) Rete testis-vasa efferentia-epididymis-vas deferens. C) Vasa efferentia-Rete testis-epididymis-vas deferens. D) Vasa efferentia-epididymis-Rete testis-vas deferens. Show Answer Correct Answer: B) Rete testis-vasa efferentia-epididymis-vas deferens. 2. The process of release of chemicals from the egg that hardens ZP A) Capacitation. B) Cortical reaction. C) Agglutination. D) Polyspermy. Show Answer Correct Answer: B) Cortical reaction. 3. Function of Sertoli Cells is to produce androgens in males. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 4. Where the Fallopian tube ends ..... A) Uterus. B) Eggs. C) Fallopian tube. D) Testes. Show Answer Correct Answer: A) Uterus. 5. Sperm cells in the Russian dwarf hamster contain 14 chromosomes. What is the total number of chromosomes that would be contained in a normal, newly formed zygote of this species? A) 7. B) 14. C) 28. D) 42. Show Answer Correct Answer: C) 28. 6. Match the column-I With Column-II and select the correct option using the codes given below:Column-I Column-IIA. Mono pubis 1. Embryo formationB. Antrum 2. SpermC. Trophectoderm 3. Female external genitalia D. Nebenkern 4. Graafian follicle A) A:3, B:4, C:1, D:2. B) A:2, B:1, C:4, D:2. C) A:1, B:4, C:3, D:2. D) A:3, B:4, C:2, D:1. Show Answer Correct Answer: A) A:3, B:4, C:1, D:2. 7. First or free milk is called ..... A) Baby's milk. B) Rostrum. C) Colostrum. D) Cholesterol. Show Answer Correct Answer: C) Colostrum. 8. Onset of pregnancy A) Stimulates testosterone secretion. B) Leads to degeneration of ovary. C) Inhibits further ovulation. D) Inhibits fusion of egg and sperm nuclei. Show Answer Correct Answer: C) Inhibits further ovulation. 9. Choose the event that does not occur before ovulation. A) Formation of corpus luteum. B) Formation of Graafian follicle. C) Surge of LH hormone. D) Estrogen hormones reach the highest level. Show Answer Correct Answer: D) Estrogen hormones reach the highest level. 10. What is the cervix? A) A tube that carries urine. B) A gland that produces hormones. C) A ring of muscle at the lower end of the uterus. D) A part of the male reproductive system. Show Answer Correct Answer: C) A ring of muscle at the lower end of the uterus. 11. WHAT IS NOT TRUE ABOUT PLACENTA? A) PRODUCES hCG. B) PRODUCES hPL. C) PRODUCES RELAXIN. D) REMOVES CARBON DIOXIDE. Show Answer Correct Answer: C) PRODUCES RELAXIN. 12. Assertion-all copulation can not lead to fertilisation and pregnancy.reason-fertilisation can occur only if the ovum and sperms are transported simultaneously to ampullary region. 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: A) Both assertion and resonare correct and reason is correct explaination of assertion. 13. Where does fertilisation take place? A) Ovaries. B) Uterus. C) Fallopian Tubes. D) Vagina. Show Answer Correct Answer: C) Fallopian Tubes. 14. Which part of the male reproductive system carries the sperm from the testes to the penis? A) Prostate Gland. B) Bladder. C) Sperm duct. D) Seminal vesicle. Show Answer Correct Answer: C) Sperm duct. 15. Formation of gland with glycogen Enlargement of blood arteriesWhich phase in menstrual cycle describe process above A) Ovulation. B) Menstrual flow phase. C) Proliferative phase. D) Secretory phase. Show Answer Correct Answer: D) Secretory phase. 16. Which substance CANNOT pass from the mother to the foetus? A) Drugs. B) Oxygen. C) Nutrients. D) Blood. Show Answer Correct Answer: D) Blood. 17. Ovulation is trigger by a surge in: A) FSH. B) LH. C) Estrogen. D) Progesterone. Show Answer Correct Answer: B) LH. 18. Identify the following stages of adolescence:Thinking can be more abstract (theoretical) but goes back to concrete thinking when under stress A) EARLY adolescence. B) MIDDLE adolescence. C) LATE adolescence. D) None of the above. Show Answer Correct Answer: B) MIDDLE adolescence. 19. The best way to prevent sexually transmitted infections is A) To use a condom during sexual intercourse. B) Wash your genitals. C) Go to the doctor. D) None of the above. Show Answer Correct Answer: A) To use a condom during sexual intercourse. 20. The weight of a human newborn baby is around ..... A) 3000 DNA. B) 3 kilograms. C) 3 grams. D) 3 liters. Show Answer Correct Answer: B) 3 kilograms. 21. Temperature of the scrotum which is necessary for the functioning of testis is always around ..... below body temperature. A) 5$^\circ$C. B) 4$^\circ$C. C) 2$^\circ$C. D) 6$^\circ$C. Show Answer Correct Answer: C) 2$^\circ$C. 22. How long it takes for the embryo to develop into a baby until it is born? A) 9 days. B) 9 weeks. C) 9 months. D) 9 years. Show Answer Correct Answer: C) 9 months. 23. If an egg that has been fertilized by a sperm splits into two while it is in the fallopian tube, the beginning of two babies can start to grow. These are known as A) Identical twins. B) Fraternal twins. C) Triplets. D) None of the above. Show Answer Correct Answer: A) Identical twins. 24. How does the baby exchange substances between the baby and the mother? A) Ovary. B) Womb. C) Umbilical cord. D) Fallopian tube. Show Answer Correct Answer: C) Umbilical cord. 25. Puberty also comes with Emotional changes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. Next →Related QuizzesClass 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 10Class 12 Biology Chapter 3 Human Reproduction Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books