This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Name the gland that controls growth during puberty. A) Endocrine. B) Pituitary. C) Thymus. D) Adrenal. Show Answer Correct Answer: B) Pituitary. 2. The fate of placenta is to: A) Provide nutrition to embryo. B) Provide support to embryo. C) Provide minerals to embryo. D) None of the above. Show Answer Correct Answer: A) Provide nutrition to embryo. 3. What is the function of estrogen in the pre-ovulatory phase of the menstrual cycle? A) Development of the follicle. B) Converting Graafian follicle into corpus luteum. C) Re-epithelialization of the uterine endometrium. D) Development of the uterine myometrium. Show Answer Correct Answer: C) Re-epithelialization of the uterine endometrium. 4. Amminocentesis is a technique used to A) Determine errors in amino acid metabolism in embryo. B) Pin point specific cardiac ailments in embryo. C) Determine any hereditary genetic abnormality in embryo. D) All of these. Show Answer Correct Answer: A) Determine errors in amino acid metabolism in embryo. 5. RCH stands for A) Routine check-up of health. B) Reproduction cum hygiene. C) Reversible contraceptive hazards. D) Reproductive and child health care. Show Answer Correct Answer: D) Reproductive and child health care. 6. In the male diagram, the vas deferens labeled near the pelvis most directly connects which two structures? A) Scrotum to seminal vesicle. B) Testes to prostate gland. C) Urethra to urinary bladder. D) Epididymis to urethra pathway. Show Answer Correct Answer: D) Epididymis to urethra pathway. 7. What is the source and function of HCG? A) Uterus; cause labor. B) Ovary; stimulates FSH. C) Placenta; inhibits LH. D) Placenta; mimics LH. Show Answer Correct Answer: D) Placenta; mimics LH. 8. Which female reproductive structure contains the ova? A) Fallopian tube. B) Uterus. C) Cervix. D) Ovary. Show Answer Correct Answer: D) Ovary. 9. What changes happen to boys during puberty? A) Voice breaks, body becomes more muscular and the body produces sperm. B) Breasts develop, body becomes more muscular and the body produces sperm. C) Voice breaks, body becomes more muscular and the hips widen. D) None of the above. Show Answer Correct Answer: A) Voice breaks, body becomes more muscular and the body produces sperm. 10. The fluid which is rich in calcium citate, fibrinolysin and acid phosphatase and makes 30% of the volume of semen is released by: A) Cowper's gland. B) Prostate gland. C) Seminal vesicle. D) Epididymis. Show Answer Correct Answer: B) Prostate gland. 11. The function of FSH in male is A) Act on leydig cells and stimulates secretion of factors responsible for spermiation. B) Act on sertoli cells and stimulates secretion of factors responsible for spermatogenesis. C) Act on interstitial cells and stimulates secretion of factors responsible for spermiogenesis. D) Act on sertoli cells and stimulates secretion of factors responsible for spermiogenesis. Show Answer Correct Answer: D) Act on sertoli cells and stimulates secretion of factors responsible for spermiogenesis. 12. The spermatogonia undergo division to produce sperms by the process of spermatogenesis. Choose the correct statement A) A) Spermatogonia have 46 chromosomes and always undergoes meiotic cell division. B) B) Secondary spermatocytes have 23 chromosomes and undergo second meiotic division. C) . c) Primary spermatocytes divide by mitotic cell division. D) D) Spermatozoa are transformed intospermatids. Show Answer Correct Answer: B) B) Secondary spermatocytes have 23 chromosomes and undergo second meiotic division. 13. Where are sperm 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. 14. During oogenesis, each diploid cell produces A) Four functional eggs. B) Two functional eggs and two polar bodies. C) One functional egg and three polar bodies. D) Four functional polar bodies. Show Answer Correct Answer: C) One functional egg and three polar bodies. 15. Identify the following stages of adolescence:May experiment with sex, drugs, friends, risks. A) EARLY adolescence. B) MIDDLE adolescence. C) LATE adolescence. D) None of the above. Show Answer Correct Answer: B) MIDDLE adolescence. 16. The function of the scrotum is to A) Produce hormones. B) Maintain sperm production at a constant temperature. C) Make sperm. D) None of the above. Show Answer Correct Answer: B) Maintain sperm production at a constant temperature. 17. Name 1 adaptation of the placenta A) Small surface area. B) Full of fluid. C) Large capillary network. D) Cilia cells. Show Answer Correct Answer: C) Large capillary network. 18. In which part of human female reproductive system release of second polar body takes place A) Ovary. B) Fallopian tube. C) Uterus. D) Graafian follicle. Show Answer Correct Answer: B) Fallopian tube. 19. Mentrual cycles last as an average A) 4 days. B) 28 days. C) 35 days. D) 20 days. Show Answer Correct Answer: B) 28 days. 20. Identify the following organisms according to their nature of reproduction:Yeast A) Asexual. B) Sexual. C) All the above. D) None of the above. Show Answer Correct Answer: A) Asexual. 21. Which of the following is an example of change in girls during puberty stage. A) Voice become deepens. B) Muscle build up. C) Menstrual period occur. D) Enlargement of testicles. Show Answer Correct Answer: C) Menstrual period occur. 22. When the fetus cannot be delivered vaginally, a surgery is performed called a(n) A) Birth. B) C-section. C) Dilation. D) Expulsion. Show Answer Correct Answer: B) C-section. 23. The pill is a contraceptive method. It works by A) Preventing implantation. B) Blocking the oviducts. C) Killing sperm. D) Preventing ovulation. Show Answer Correct Answer: D) Preventing ovulation. 24. The outer membrane of the ovum which is broken by acrosome of sperm is A) Corona radiata. B) Zona pellucida. C) Plasmalemma. D) None of the above. Show Answer Correct Answer: B) Zona pellucida. 25. The process of release of the male gamete from the testis A) Spermiation. B) Spermatogonion. C) Spermiogenesis. D) Spermatogenesis. Show Answer Correct Answer: A) Spermiation. ← 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