This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 56 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 56 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Photograph of chromosomes grouped in ordered pairs A) Pedigree. B) Punnett Square. C) Venn Diagram. D) Karyotype. Show Answer Correct Answer: D) Karyotype. 2. An allele is ..... A) A quality/aspect about a person. B) Traits that are passed down from parents to offspring. C) Physical appearance (what you see). D) Different variations of a gene (represented by letters). Show Answer Correct Answer: D) Different variations of a gene (represented by letters). 3. Total number of polar bodies formed in oogenesis? A) 2. B) 3. C) 1. D) 0. Show Answer Correct Answer: A) 2. 4. About how long does the menstrual cycle take? A) About 5 days. B) About 28 days. C) About 14 days. D) About 10 days. Show Answer Correct Answer: B) About 28 days. 5. Foetal ejection reflex in human female is induced by A) Oxytocin release. B) Differentiation of mammary glands. C) Fully developed foetus and placenta. D) None of the above. Show Answer Correct Answer: C) Fully developed foetus and placenta. 6. How many days is the average ovarian and uterine cycle? A) 14 days. B) 28 days. C) 5 days. D) 21 days. Show Answer Correct Answer: B) 28 days. 7. In a population, unrestrictive reproductive capacity is called as ..... ? A) Carrying capacity. B) Biotic potential. C) Birth rate. D) Fertility rate. Show Answer Correct Answer: A) Carrying capacity. 8. Which one is unpaired gland in male reproductive system? A) A) Seminal vesicle. B) Cowper's gland. C) Prostate gland. D) Lacrimal gland. Show Answer Correct Answer: C) Prostate gland. 9. The organ in which the embryo develops and grow. It is also known as womb. What is the organ? A) Vagina. B) Fallopian tube. C) Uterus. D) Ovary. Show Answer Correct Answer: C) Uterus. 10. The gamete producing structure of the male reproductive system is the A) Testes. B) Uterus. C) Penis. D) Scrotum. Show Answer Correct Answer: A) Testes. 11. The anterior cap-like part of male gamete A) Mons pubis. B) Infundibulum. C) Vas deferens. D) Acrosome. Show Answer Correct Answer: D) Acrosome. 12. What is the function of the testes? A) Produce semen. B) Produce eggs. C) Protect the semen. D) Produce sperm. Show Answer Correct Answer: D) Produce sperm. 13. Capacitation refers to changes in the A) Sperm before fertilization. B) Ovum before fertilization. C) Ovum after fertilization. D) Sperm after fertilization. Show Answer Correct Answer: A) Sperm before fertilization. 14. Regulation of sexual reproductive cycles of human males is related most directly to the presence of the hormone A) Estrogen. B) Progesterone. C) Insulin. D) Testosterone. Show Answer Correct Answer: D) Testosterone. 15. What is one product that passes from baby to mother through the placenta A) Food. B) Carbon dioxide. C) Red blood cells. D) Oxygen. Show Answer Correct Answer: B) Carbon dioxide. 16. Pick the correct answers. The embryo's cells ..... A) Expel waste substances such as CO$_{2}$. B) Use oxygen and organic nutrients to obtain energy. C) All answers are correct. D) None of the above. Show Answer Correct Answer: C) All answers are correct. 17. How long is the average menstrual cycle? A) 28 days. B) 21 days. C) 42 days. D) 16 days. Show Answer Correct Answer: A) 28 days. 18. Where in the female reproductive system does meiosis occur? A) Uterus. B) Oviduct. C) Ovary. D) Endometrium. Show Answer Correct Answer: C) Ovary. 19. On average how long does the fertile period in females last? A) 5 days. B) 2 days. C) 1 day. D) 7 days. Show Answer Correct Answer: D) 7 days. 20. Which structure produces eggs and essential female hormones? A) Vagina. B) Uterus. C) Ovaries. D) Placenta. Show Answer Correct Answer: C) Ovaries. 21. This is where fertilization takes place. A) Uterus. B) Pelvic Cavity. C) Fallopian Tubes. D) Vagina. Show Answer Correct Answer: C) Fallopian Tubes. 22. Which gamete is motile (capable of motion)? A) Spores. B) Sperm. C) Eggs. D) All of the above. Show Answer Correct Answer: B) Sperm. 23. Fertisation in human is practically feasible only A) The ovum and sperms are transported simultaneously to ampullary-isthumic junctionof the cervix. B) The sperm are transported in to cervix within 48 hours of release of ovum in uterus. C) The sperm are transported in to vagina just after the release of ovum in fallopian tube. D) The ovum and sperms are transported simultaneously to ampullary-isthumic junctionof the fallopian tube. Show Answer Correct Answer: D) The ovum and sperms are transported simultaneously to ampullary-isthumic junctionof the fallopian tube. 24. Select the incorrect statement (NEET 2016) A) LH & FSH decrease gradually during the follicular phase. B) LH triggers secretion of androgens from the leydig cells. C) FSH stimulates the sertoli cells which help in spermiogenesis. D) LH triggers ovulation in ovary. Show Answer Correct Answer: A) LH & FSH decrease gradually during the follicular phase. 25. Corpus luteum develops from A) Nephrostome. B) Oocyte. C) Graafian follicle. D) None nf the above. Show Answer Correct Answer: C) Graafian follicle. ← 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