This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 83 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 83 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is semen made of? A) Sperm. B) Seminal fuid. C) Combination of sperm and seminal fluid. D) Fluid. Show Answer Correct Answer: C) Combination of sperm and seminal fluid. 2. The fertile period lasts between day 11 to day 17. What is the fertile period? A) When the egg is released. B) When a woman cannot get pregnant. C) When a woman is most likely to become pregnant. D) When a woman experiences menstruation. Show Answer Correct Answer: C) When a woman is most likely to become pregnant. 3. Which layer develops first during embryonic development? A) Ectoderm. B) Mesoderm. C) Endoderm. D) A and c. Show Answer Correct Answer: C) Endoderm. 4. On average, what age does menopause occur A) 20. B) 30. C) 40. D) 50. Show Answer Correct Answer: D) 50. 5. In males, which is the correct pathway of sperms release? A) Seminiferous tubules-Vas deferens-Epididymis-Urethra. B) Vas deferens-Seminiferous tubules-Epididymis-Urethra. C) Epididymis-Vas deferens-Seminiferous tubules-Urethra. D) Seminiferous tubules-Epididymis-Vas deferens-Urethra. Show Answer Correct Answer: D) Seminiferous tubules-Epididymis-Vas deferens-Urethra. 6. How many chromosomes is there in a gamete? A) 22. B) 23. C) 24. D) 46. Show Answer Correct Answer: B) 23. 7. Corpus luteum disintegrates due to non-availability of A) LTH. B) FSH. C) Progesterone. D) LH. Show Answer Correct Answer: D) LH. 8. Soon after implantation, the inner cells of the blastocyst form three primary germ layers. Name the inner germ layer? A) Mesoderm. B) Ectoderm. C) Endoderm. D) None of the above. Show Answer Correct Answer: C) Endoderm. 9. What process occurs on about day 14 of the ovarian and uterine cycle? A) Menstruation. B) Ovum maturation. C) Endometrial growth. D) Ovulation. Show Answer Correct Answer: D) Ovulation. 10. What are the characteristics that affect puberty in girls? A) Change the color of your eyes. B) The breasts grow, you hair grows in the pubic area and in the armpits and glands in the skin also produce more oil which can cause spots or acne. C) The voice becomes deeper and the facial hair starts to grow. D) None of the above. Show Answer Correct Answer: B) The breasts grow, you hair grows in the pubic area and in the armpits and glands in the skin also produce more oil which can cause spots or acne. 11. The sloughing of the endometrium, resulting in flow of menstrual fluid A) Menstruation. B) Menstrual cycle. C) Ovulation. D) Implantation. Show Answer Correct Answer: A) Menstruation. 12. People whose gender identity matches their biological sex are A) Cisgender. B) Intersex. C) Male. D) Transgender. Show Answer Correct Answer: A) Cisgender. 13. Lower narrow end of uterus is called A) Urethra. B) Vulva. C) Clitoris. D) Cervix. Show Answer Correct Answer: D) Cervix. 14. Perhatikan data-data dibawah ini:InfundibulumVulvaOvariumTuba FallopiUterusJika didasarkan pada data-data tersebut, maka urutan jalannya sel telur hingga pembuahan sampai pada pembentukan embrio adalah ..... A) 1, 2, 3, 4. B) 3, 1, 4, 5. C) 2, 3, 4, 5. D) 3, 4, 5, 1. E) 5, 4, 3, 2. Show Answer Correct Answer: B) 3, 1, 4, 5. 15. PART OF THE FEMALE REPRODUCTIVE SYSTEM WHICH SERVES AS TRHE SITE FOR PREGNANCY A) OVARY. B) FALLOPIAN TUBE. C) UTERUS. D) VAGINA. Show Answer Correct Answer: C) UTERUS. 16. Boys enter the puberty stage later than girls A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. When semen is pushed through and out of a males body through the urethra is a process called ..... A) Ejaculation. B) Erection. C) Menstruation. D) Transportation. Show Answer Correct Answer: A) Ejaculation. 18. Assertion:Cleavage is also called fractionating process Reason:In cleavage, number of blastomeres increases but size of blastomeres decreases A) If both the assertion & reason are true & the reason is correct explanation of assertion. B) If both the assertion & reason are true & the reason is not a correct explanation of assertion. C) If the assertion is true but the reason is false. D) If both assertion & reason are false. Show Answer Correct Answer: A) If both the assertion & reason are true & the reason is correct explanation of assertion. 19. What is the average gestation period in humans? A) 320 days. B) 200 days. C) 280 days. D) None of these. Show Answer Correct Answer: C) 280 days. 20. Mitosis and meiosis are processes involved in cellular reproduction. Which of the following describes and event that results from mitosis but NOT meiosis? A) Two stages of cell division. B) Formation of haploid cells. C) Daughter cells that are identical to the parent cell. D) Four daughter cells that are produced from each parent cell. Show Answer Correct Answer: C) Daughter cells that are identical to the parent cell. 21. Which of the following differences about sperm and ovum is correct? A) The sperm is the largest cell in human body while ovum is the smallest cell. B) Sperm can move on its own but ovum cannot. C) Only one sperm is released during ejaculation while more than two ovum are released during ovulation. D) Sperms are female gamete and ovum are male gamete. Show Answer Correct Answer: B) Sperm can move on its own but ovum cannot. 22. Seminiferous tubule is lined with A) Sertoli cells and leydig cells. B) Leydig cells and spermatogonia. C) Sertoli cells and germ cells. D) Sertoli cells and oogonia. Show Answer Correct Answer: C) Sertoli cells and germ cells. 23. Ovulation occurs on about day ..... of the menstrual cycle. A) 1. B) 5. C) 14. D) 21. Show Answer Correct Answer: C) 14. 24. Gametes are haploid cells. How many chromosomes can be found in the nucleus of gametes? A) 64. B) 56. C) 46. D) 23. Show Answer Correct Answer: D) 23. 25. What type of division do primary spermatocytes go through? A) Mitosis. B) Meiosis. C) All the above. D) None of the above. Show Answer Correct Answer: B) Meiosis. ← 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