This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A gamete is a cell that: A) Is found in the brain after puberty. B) Causes puberty. C) Is only made in a female's ovaries. D) Allows an organism to reproduce. Show Answer Correct Answer: D) Allows an organism to reproduce. 2. What is the periodic shedding of tissues and blood from the inner lining of theuterus? A) Menopause. B) Ovulation. C) Pregnancy. D) Menstruation. Show Answer Correct Answer: D) Menstruation. 3. What is the important role of the scrotum in the system? A) It is a muscular tube that transport fluids. B) It is the gland that produces sperm and seminal fluids. C) It is a sperm pouch-like sac that regulates the temperature of the testes. D) It is a long coil that caries semen and urine to urethra. Show Answer Correct Answer: C) It is a sperm pouch-like sac that regulates the temperature of the testes. 4. The fetus develops in the: A) Cervix. B) Fallopian tube. C) Perineum. D) Uterus. Show Answer Correct Answer: D) Uterus. 5. Which is not a specific example of a secondary sexual characteristic A) Pubic hair develops. B) Voice deepens. C) Sperm production. D) Hormone production. Show Answer Correct Answer: D) Hormone production. 6. Fusion of sperm and egg nucleus A) Amphimixis. B) Karyogamy. C) Karyogenesis. D) Amphigenesis. Show Answer Correct Answer: B) Karyogamy. 7. Stage of embryo development at which implantation occurs in human female is A) Morula. B) Zygote. C) Blastocyst. D) Transient 3-celled stage. Show Answer Correct Answer: C) Blastocyst. 8. How many chromosomes does a zygote have? A) 46. B) 23. C) Half. D) 42. Show Answer Correct Answer: A) 46. 9. Abdominal passage which connects abdominal cavity with the scrotal sac in mammals is known as A) Spermatic canal. B) Neurenteric canal. C) Inguinal canal. D) Haversian canal. Show Answer Correct Answer: C) Inguinal canal. 10. Menstruation is the passing of ..... A) An egg. B) Blood. C) Unfertilised egg. D) None of the above. Show Answer Correct Answer: C) Unfertilised egg. 11. What is the purpose of the amniotic fluid? A) Helps diffusion of oxygen. B) Keeps embryo wet. C) Stops embryo getting damaged. D) Keeps embryo respiring anaerobically. Show Answer Correct Answer: C) Stops embryo getting damaged. 12. Which of these BEST describes the end results of mitosis? A) 4 identical cells created. B) 2 identical cells created. C) 4 unique cells created. D) 2 unique cells created. Show Answer Correct Answer: B) 2 identical cells created. 13. When the baby is ready to be born, the mother goes into ..... A) Labour. B) Menopause. C) Menstruation. D) Pregnancy. Show Answer Correct Answer: A) Labour. 14. The skin covered sac that surround the testes is the A) Scrotum. B) Prostate gland. C) Cowper's gland. D) Seminal vesicles. Show Answer Correct Answer: A) Scrotum. 15. The egg cell(ova) and the sperm cell are the reproductive cells needed to create a human. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Male organ that allows a male to pass semen and urine from his body. A) Penis. B) Urethra. C) Testicles. D) Vas Deferens. Show Answer Correct Answer: A) Penis. 17. Exponential growth cannot continue for long because of ..... , all those environmental conditions such as limited food, etc A) Logistic growth. B) Deceleration. C) Biotic potential. D) Environmental resistance. Show Answer Correct Answer: D) Environmental resistance. 18. The process of transfer of sperms into the female reproductive tract is known as A) Fertilization. B) Implantation. C) Gametogenesis. D) Insemination. Show Answer Correct Answer: D) Insemination. 19. Which part of the ovary in mammals acts as an endocrine gland after ovulation? A) Germinal epithelium. B) Stroma. C) Graafian follicle. D) None of the above. Show Answer Correct Answer: C) Graafian follicle. 20. Preperation of sperm before penetration of ovum is A) Spermiation. B) Coition. C) Insemination. D) Capacitation. Show Answer Correct Answer: D) Capacitation. 21. Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female? A) Retention of well-developed corpus luteum. B) Fertilisation of the ovum. C) Maintenance of the hypertrophical endometrial lining. D) Maintenance of high concentration of sex-hormones in the blood stream. Show Answer Correct Answer: D) Maintenance of high concentration of sex-hormones in the blood stream. 22. The process of delivery of the foetus (childbirth) is called A) Micturition. B) Egestion. C) Parturition. D) Ejection. Show Answer Correct Answer: C) Parturition. 23. The region where fertilisation occurs A) Ovary. B) Vagina. C) Ampulla-isthmic junction. D) Infundibulum. Show Answer Correct Answer: C) Ampulla-isthmic junction. 24. The animal's digestive tract forms from the ..... A) Endoderm. B) Mesoderm. C) Ecotoderm. D) Protostome. Show Answer Correct Answer: A) Endoderm. 25. The reproductive structure in a female mammal that produces sex cells is the A) Placenta. B) Testes. C) Uterus. D) Ovary. Show Answer Correct Answer: D) Ovary. ← 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