This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Shortly before menstruation the blood level of A) Estrogen and progestrone decrease. B) Estrogen and progestrone increse. C) Fsh stabilise. D) Only progestrone increse. Show Answer Correct Answer: A) Estrogen and progestrone decrease. 2. Egg is liberated from ovary in A) Secondary oocyte stage. B) Primary oocyte stage. C) Oogonial stage. D) Mature ovum stage. Show Answer Correct Answer: A) Secondary oocyte stage. 3. Which part of the sperm plays an important role in penetrating the egg membrane? A) Allosome. B) Tail. C) Acrosome. D) Autosome. Show Answer Correct Answer: C) Acrosome. 4. ..... cells inside seminiferous tubules provide nutrition to spermatids, that later becomes sperms. A) Tapetum. B) FSH. C) Sertoli cells. D) Leydig cells. Show Answer Correct Answer: C) Sertoli cells. 5. When is an embryo formed? A) At the moment of fertilization. B) When cells in the blastocyst differentiate. C) When the follicles form in the ovary. D) When the nervous system begins to develop. Show Answer Correct Answer: B) When cells in the blastocyst differentiate. 6. Capacitation refers to change in the A) Ovum after fertilisation. B) Sperm after fertilisation. C) Sperm before fertilisation. D) Ovum before fertilisation. Show Answer Correct Answer: C) Sperm before fertilisation. 7. Site of fertilization in human female is A) Ampulla. B) Isthmus. C) Ampullary-isthmic junction. D) Infundibulum. Show Answer Correct Answer: C) Ampullary-isthmic junction. 8. What is the female gamete in humans called? A) Ova. B) Ovary. C) Ovule. D) Embryo. Show Answer Correct Answer: A) Ova. 9. Role of leyidgs cell is A) Nourishment of sperm. B) Provide motility to sperm. C) Bring about maturation of sperm. D) Synthesis of testosterone/ androgen harmone. Show Answer Correct Answer: D) Synthesis of testosterone/ androgen harmone. 10. Spermiogenesis refers to A) Formation of spermatids. B) Metamorphosis is spermatidz into sperms. C) Phase of multiplication of spermatogenesis. D) Growth phase of spermatogenesis. Show Answer Correct Answer: B) Metamorphosis is spermatidz into sperms. 11. Identify the following characteristics of gametogenesis according to its type:Equal divisions of cells A) Spermatogenesis. B) Oogenesis. C) All the above. D) None of the above. Show Answer Correct Answer: A) Spermatogenesis. 12. Antrum is a cavity of A) Ovary. B) Graffian follicle. C) Blastula. D) Gastrula. Show Answer Correct Answer: B) Graffian follicle. 13. The acrosome of sperm is formed from ..... A) Nucleus. B) Centrosome. C) Mitochondria. D) Golgi complex. Show Answer Correct Answer: D) Golgi complex. 14. Site of fertilization in a mammal is A) Ovary. B) Uterus. C) Vagina. D) Fallopian tube. Show Answer Correct Answer: D) Fallopian tube. 15. What is meant by In Vitro Fertilisation (IVF)? A) A method of fertilisation without sexual intercourse. B) A means to prevent fertilisation or implantation. C) The time of the menstrual cycle when fertilisation and pregnancy are more likely to occur. D) None of the above. Show Answer Correct Answer: A) A method of fertilisation without sexual intercourse. 16. The fluid that forms around the baby in the mother's uterus is called ..... fluid. A) Tissue. B) Placental. C) Amniotic. D) Lymphatic. Show Answer Correct Answer: C) Amniotic. 17. Which of the following hormones regulates the precise timing of ovulation? A) Oestrogen. B) Progesterone. C) Luteinizing hormone. D) Follicle-stimulating hormone. Show Answer Correct Answer: C) Luteinizing hormone. 18. Cavity of graafian follicle is ..... A) Amniotic cavity. B) Antrum. C) Liquor folliculi. D) Discus proligerous. Show Answer Correct Answer: B) Antrum. 19. The tube leading from the uterus to the ovaries is the ..... A) Long tube. B) Ovary tube. C) Fallopian tube. D) Falliduct. Show Answer Correct Answer: C) Fallopian tube. 20. Most mammals have adaptations for A) Internal fertilization and internal development of the fetus. B) Internal fertilization and external development of the fetus. C) External fertilization and external development of the fetus. D) External fertilization and internal development of the fetus. Show Answer Correct Answer: A) Internal fertilization and internal development of the fetus. 21. Oogenesis is performed in the: A) Follicles of the ovaries. B) Fallopian tubes. C) Uterus. D) None of the above. Show Answer Correct Answer: A) Follicles of the ovaries. 22. The lining of the uterus contains many blood vessels so that: A) The embryo can receive a good supply of food, oxygen and water. B) It stays wet. C) The menstrual cycle can occur. D) The oviducts can grow. Show Answer Correct Answer: A) The embryo can receive a good supply of food, oxygen and water. 23. A human female reaches menopause around the age of A) 40 years. B) 70 years. C) 50 years. D) 35 years. Show Answer Correct Answer: C) 50 years. 24. Which of the following is ART? A) IUDs. B) GIFT. C) ZIFT. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 25. Extrusion of the second polar body from egg nucleus occurs A) After fertilization. B) Before the entry of sperm into the ovum. C) Simultaneously with the first cleavage. D) After the entry of sperm but before fertilization. Show Answer Correct Answer: D) After the entry of sperm but before fertilization. ← 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