This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 46 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 46 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The organ not formed by ectoderm is A) Brain. B) Spinal cord. C) Gonads. D) Internal ear. Show Answer Correct Answer: D) Internal ear. 2. According to the note, what do testes primarily produce? A) Urine and digestive enzymes. B) Oocytes and estrogen hormones. C) Placenta and amniotic fluid. D) Sperm and testosterone hormones. Show Answer Correct Answer: D) Sperm and testosterone hormones. 3. The concept that 'population tends to increase geometrically while food increases arithmetically' was put forward by ..... ? A) Adam Smith. B) Charles Darwin. C) Thomas Malthus. D) Stuart Mill. Show Answer Correct Answer: C) Thomas Malthus. 4. Which sequence correctly describes the order of structures that develop and release the egg in the ovary. A) Graafian follicle, Corpus albicans and Corpus luteum. B) Graafian follicle, Corpus luteum and Corpus albicans. C) Corpus albicans, Graafian follicle and Corpus luteum. D) Corpus luteum, Corpus albicans and Graafian follicle. Show Answer Correct Answer: B) Graafian follicle, Corpus luteum and Corpus albicans. 5. The word 'inherited' means ..... A) Reproduced. B) Fertilised. C) Passed on. D) Gave birth. Show Answer Correct Answer: C) Passed on. 6. What is a fertilized egg also known as? A) A zygote. B) An embryo. C) A blastocyst. D) A gamete. Show Answer Correct Answer: A) A zygote. 7. Which organ of the male reproductive system serves as the passage of urine and sperm? A) Epididymis. B) Penis. C) Testes. D) Urethra. Show Answer Correct Answer: D) Urethra. 8. The role of sperm is to: A) Fertilise an ovule. B) Fertilise an egg cell. C) Be fertilised by an egg cell. D) Produce male secondary sexual characteristics. Show Answer Correct Answer: B) Fertilise an egg cell. 9. Which connective tissue surrounds the testis? A) Spongy connective tissue. B) Fibrous tissue. C) Tunica albuginea. D) Corionic tissue. Show Answer Correct Answer: B) Fibrous tissue. 10. The reproductive cycle in females is regulated primarily by A) Estrogen and testosterone. B) Estrogen and progesterone. C) Progesterone and insulin. D) Progesterone and testosterone. Show Answer Correct Answer: B) Estrogen and progesterone. 11. Which of the following cells during gametogenesis is normally diploid? A) Spermatogonia. B) Secondary polar body. C) Primary polar body. D) Spermatid. Show Answer Correct Answer: A) Spermatogonia. 12. Ferilization in oviduct takes place at A) Ampullary-infundibulum region. B) Ampullar-isthmus region. C) Uterus-fundus region. D) Isthmus-infundibulum region. Show Answer Correct Answer: B) Ampullar-isthmus region. 13. The correct sequence for passage of secretion from the mammary gland is A) Alveoli-Mammary Duct-Mammary Tubules-Ampulla-Lactiferous Duct. B) Alveoli-Mammary Tubules-Mammary Duct-Lactiferous Duct-Ampulla. C) Alveoli-Mammary Tubules-Mammary Duct-Ampulla-Lactiferous Duct. D) Mammary Tubules-Mammary Duct-Ampulla-Lactiferous Duct-Alveoli. Show Answer Correct Answer: C) Alveoli-Mammary Tubules-Mammary Duct-Ampulla-Lactiferous Duct. 14. Which part of the female reproductive system is the site of fertilization? A) Uterus. B) Fallopian tube. C) Ovary. D) Cervix. Show Answer Correct Answer: B) Fallopian tube. 15. When do males start producing sperm? A) As soon as they are born. B) After 70 years of age. C) During puberty (12-15 years). D) When the female produces the ova. Show Answer Correct Answer: C) During puberty (12-15 years). 16. What is the walnut-sized structure that lies below the urinary bladder which helps nourish the bladder? A) Urethra. B) Epididymis. C) Prostate gland. D) Vas deferentia. Show Answer Correct Answer: C) Prostate gland. 17. The union of gametes is called A) Fertilisation. B) Fecundation. C) Zygote. D) Embryo. Show Answer Correct Answer: A) Fertilisation. 18. Choose the right order A) The uterus develops inside the amniotic sac, in the mother's embryo. B) The embryo develops inside the amniotic sac, in the mother's uterus. C) The amniotic sac develops inside the embryo, in the mother's uterus. D) No one is correct. Show Answer Correct Answer: B) The embryo develops inside the amniotic sac, in the mother's uterus. 19. Chromosomes are related to: A) Energy. B) DNA. C) Cytoplasm. D) No answer is correct. Show Answer Correct Answer: B) DNA. 20. Identify the following stages of adolescence:Growth slows down and reaches approximately 95% of adult size. A) EARLY adolescence. B) MIDDLE adolescence. C) LATE adolescence. D) None of the above. Show Answer Correct Answer: B) MIDDLE adolescence. 21. The ..... phase of menstrual cycle is also called secretory phase. A) Ovulatory. B) Menstrual. C) Luteal. D) Follicular. Show Answer Correct Answer: C) Luteal. 22. The shedding and bleeding of the decidua during menses is directly caused by low levels of ..... A) FSH. B) LH. C) Sex steroids. D) GnRH. Show Answer Correct Answer: C) Sex steroids. 23. Cytoplasm of ovum does not contain A) Centrosome. B) Golgi. C) Mitochondria. D) Ribosomes. Show Answer Correct Answer: A) Centrosome. 24. Which of the following cannot be detected in a developing foetus by amniocentesis A) Jaundice. B) Down's syndrome. C) Cystic fibrosis. D) Colourblindness. Show Answer Correct Answer: A) Jaundice. 25. Which hormone is responsible for the development of female secondary sexual characteristics? A) Progesterone. B) Estrogen. C) Insulin. D) Testosterone. Show Answer Correct Answer: B) Estrogen. ← 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