This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 50 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 50 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the name of the structure that carries sperm from the testes to the urethra? A) Seminal vesicle. B) Vas deferens. C) Ejaculatory duct. D) Prostate gland. Show Answer Correct Answer: B) Vas deferens. 2. A disc like structure which is formed by interdigitation of chorionic villi and uterine tissue is known as ..... A) Villi. B) Pilli. C) Placenta. D) Stereocilia. Show Answer Correct Answer: C) Placenta. 3. A chemical or hormon produced by the ovaries. A) Vas diferens. B) Testosteron. C) Uterus. D) Estrogen. Show Answer Correct Answer: D) Estrogen. 4. IUCD is for: A) Vegetative propagation. B) Contraception. C) Increasing fertility. D) Avoiding miscarriage. Show Answer Correct Answer: B) Contraception. 5. Which one of the following causes the mammary glands to enlarge at puberty A) Testosterone. B) Progesterone. C) Oxytocin. D) Oestrogen. Show Answer Correct Answer: D) Oestrogen. 6. Which of the following is not a form of artificial contraception A) Pill. B) Condom. C) Cap covers cervix. D) Avoiding intercourse during the fertile period. Show Answer Correct Answer: D) Avoiding intercourse during the fertile period. 7. Release of second polaer body from human egg occurs A) After the entery of sperm. B) After the fertilisation. C) Before the sperm entry. D) With no relation to sperm entry. Show Answer Correct Answer: A) After the entery of sperm. 8. Male and female gametes are A) Ovum and egg. B) Sperm and egg. C) Testes and ovary. D) Sperm and ovary. Show Answer Correct Answer: B) Sperm and egg. 9. Identify the following body changes during puberty:Development of muscles 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. 10. Which of the following structures is responsible in producing sperm cells? A) Penis. B) Prostate gland. C) Scrotum. D) Testis. Show Answer Correct Answer: D) Testis. 11. An organism that has two identical alleles for a trait A) Phenotype. B) Homozygous. C) Heterozygous. D) Codominance. Show Answer Correct Answer: B) Homozygous. 12. Morula is a developmental stage: A) Between the zygote and blastocyst. B) Between the blastocyst and gastrula. C) After the implantation. D) Between implantation and parturition. Show Answer Correct Answer: A) Between the zygote and blastocyst. 13. Which one of the following is the most likely reason of not occurring regular menstruation cycle in females A) Maintenance of high concentration of sex hormones in the blood stream. B) Retention of well developed corpus luteum. C) Fertilization of the ovum. D) Maintenance of the hypertrophical endometrial lining. Show Answer Correct Answer: C) Fertilization of the ovum. 14. The hormone who's secretion is triggered by foetal ejection reflex is A) Oxytocin. B) Estrogen. C) Progesterone. D) Relaxin. Show Answer Correct Answer: A) Oxytocin. 15. What is the reproductive structure in females with thick muscular walls that holds the zygote. A) Vagina. B) Uterus. C) Ovary. D) Fallopian tube. Show Answer Correct Answer: B) Uterus. 16. Two small glands that secret mucous into the urethra. A) Vas Deferens. B) Testicles. C) Cowper's Gland. D) Epididymis. Show Answer Correct Answer: C) Cowper's Gland. 17. Which hormone signals ovulation? A) FSH. B) LH. C) Inhibin. D) Estrogen. Show Answer Correct Answer: B) LH. 18. What is the structure in side the womb that transports oxygen and nutrients to the baby? A) Umbilical cord. B) Placenta. C) Amniotic sac. D) Mother's blood. Show Answer Correct Answer: A) Umbilical cord. 19. The correct sequence of movement of sperms within the male body is A) Seminiferous tubules-rete testis-vas deferens-epididymis-vasa efferentia. B) Seminiferous tubules-vasa efferentia-epididymis-vas deferens-rete testis. C) Rete testis-seminiferous tubules-vasa efferentia-epididymis-vas deferens. D) Seminiferous tubules-rete testis-vasa efferentia-epididymis-vas deferens. Show Answer Correct Answer: D) Seminiferous tubules-rete testis-vasa efferentia-epididymis-vas deferens. 20. The male reproductive system is formed by the: A) Testicles, penis, cervix and the male accessory glands. B) Testicles, penis, reproductive tract and male accessory glands. C) Testicles, penis, urethra and male accessory glands. D) None of the above. Show Answer Correct Answer: B) Testicles, penis, reproductive tract and male accessory glands. 21. Where are spermatozoa stored while they are maturing? A) In the prostate. B) In the epidymis. C) In the testes. D) In the seminal vesicle. Show Answer Correct Answer: B) In the epidymis. 22. What is the role of the umbilical cord? A) To connect the mother to the fetus. B) To transport blood, oxygen, and nutrients between the placenta and the fetus. C) To produce hormones. D) To remove waste from the fetus. Show Answer Correct Answer: B) To transport blood, oxygen, and nutrients between the placenta and the fetus. 23. Middle piece of mammalian sperm possesses A) Mitochondria. B) Centriole. C) Nucleus and mitochondria. D) Mitochondria and centriole. Show Answer Correct Answer: A) Mitochondria. 24. Another name for the neck of the uterus A) The womb. B) The vagina. C) The womb. D) The cervix. Show Answer Correct Answer: D) The cervix. 25. ( ) is the male sex hormone. A) Testosterone. B) Estrogen. C) Adrenaline. D) Insulin. Show Answer Correct Answer: A) Testosterone. ← 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