This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. TRUE or FLASE:All women have hymen that causes them to bleed during their 1$^{st}$ intercourse. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. The embryonic stage with 8-16 blastomeres is called A) Zygote. B) Morula. C) Blastocyst. D) Gastrula. Show Answer Correct Answer: B) Morula. 3. An oocyte is fertilized in the: A) Vagina. B) Oviduct. C) Uterus. D) Urethra. Show Answer Correct Answer: B) Oviduct. 4. Gastrulation comprise of A) Morphogenetic movement. B) Differentition of archenteron. C) Differnentition of three germ layers. D) All the above,. Show Answer Correct Answer: D) All the above,. 5. What area connects the vagina to the uterus? A) Cervix. B) Vulva. C) Endometrium. D) Myometrium. Show Answer Correct Answer: A) Cervix. 6. The outermost covering of the testis is formed by a dense fibrous membrane called as A) Tunica vaginalis. B) Tunica vasculosa. C) Tunica albuginea. D) None of the above. Show Answer Correct Answer: C) Tunica albuginea. 7. The sex of the fetus will be decided at(a) fertilisation by male gamete(b) implantation(c) fertilisation by female gamete(d) the start of cleavage. A) Fertilization of male gamete. B) Implantation. C) Fertilization by female gamete. D) The start of cleavage. Show Answer Correct Answer: A) Fertilization of male gamete. 8. After birth, colostrum is released from mammary glands which is rich in A) Fat and low in proteins. B) Proteins and low in fat. C) Proteins, antibodies and low in fat. D) Proteins, fat and low in antibodies. Show Answer Correct Answer: C) Proteins, antibodies and low in fat. 9. Mullerian duct is A) Ureter. B) Urethra. C) Oviduct. D) Cervix. Show Answer Correct Answer: C) Oviduct. 10. In which of the following weeks of pregnancy CVS is done? A) 12th-14th week. B) 8th-10th week. C) 5th-7th week. D) None of these. Show Answer Correct Answer: B) 8th-10th week. 11. What is the role of the placenta during pregnancy? A) It provides oxygen and nutrients to the fetus and removes waste products from the fetus's blood. B) It is responsible for the baby's movement. C) It helps in the development of the mother's body. D) It has no role in pregnancy. Show Answer Correct Answer: A) It provides oxygen and nutrients to the fetus and removes waste products from the fetus's blood. 12. What are the chemicals that coordinate and control the production of sperm and egg cells? A) Sugars. B) Antibodies. C) Hormones. D) Lipids. Show Answer Correct Answer: C) Hormones. 13. What does A.R.T stand for? A) Assisted Reproductive Technics. B) Assisted Reproductive Technologies. C) All the above. D) None of the above. Show Answer Correct Answer: B) Assisted Reproductive Technologies. 14. What is a morula? A) A blood group. B) A germ layer that forms the muscles. C) A solid ball of cells. D) None of the above. Show Answer Correct Answer: C) A solid ball of cells. 15. A fertilised egg in the female human body attaches itself to the wall of the female's vagina. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 16. Which cells of the ovary are involved in the synthesis of estrogen?I. Theca interna cells.II. Granulosa cells.III. Interstitial cells.IV. Theca externa cells. A) All are correct. B) All are incorrect. C) I and II are correct. D) III and IV are correct. Show Answer Correct Answer: C) I and II are correct. 17. What does the placenta do? A) It allows nutrients to enter the fetus from the mother and waste products to leave the fetus. B) It allows the nutrients and waste products to travel freely between the foetus and the mother. C) It prevents all bad chemicals from harming the fetus. D) It allows solid food to reach the fetus. Show Answer Correct Answer: A) It allows nutrients to enter the fetus from the mother and waste products to leave the fetus. 18. Tiny male cell that unites with the female ovum to form a fertilized egg or zygote. A) Testes. B) Scrotum. C) Sperm. D) Semen. Show Answer Correct Answer: C) Sperm. 19. Which one of the following statements is false in respect of viability of mammalian sperm? A) Viability of sperm is determined by its motility. B) Sperms must be concentrated in a thick suspension. C) Sperm is viable for only up to 24 hours. D) Survival of sperm depends on the pH of the medium and is more active in alkaline medium. Show Answer Correct Answer: C) Sperm is viable for only up to 24 hours. 20. Corpus spongiosum muscle is present in A) Testis. B) Ovary. C) Penis. D) Epididymis. Show Answer Correct Answer: C) Penis. 21. Which of the following is immortal? A) Somatic cell. B) Germ cell. C) Glomerular cell. D) Cell of pituitry. Show Answer Correct Answer: B) Germ cell. 22. One function of the male reproductive system in mammals is to A) Produce insulin necessary for sexual reproduction. B) Transport eggs necessary for fertilization. C) Allow for delivery of gametes needed for reproduction. D) Provide protection for the developing zygote. Show Answer Correct Answer: C) Allow for delivery of gametes needed for reproduction. 23. Unlike huamns who uksually have one baby at a time, some organisms like turtles lay hundred of eggs. Why is this? A) They have more genes to pass on. B) They are prone to more harmful mutations. C) More offspring will survive. D) They only have babies once every 50 years. Show Answer Correct Answer: C) More offspring will survive. 24. In the monthly cycle, which event comes first? A) Growth of the follicle. B) Growth of the corpus luteum. C) Ovulation. D) Break down of the corpus lutem. Show Answer Correct Answer: A) Growth of the follicle. 25. What does the zygote form during early development? A) Embryo. B) Placenta. C) Uterus. D) Uterus. Show Answer Correct Answer: A) Embryo. ← 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