This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sperm are created through meiosis in an area of the testes called the seminiferous tubules. Through which structure do the sperm travel to exit the testes? A) Penis. B) Seminal Vesicle. C) Scrotum. D) Vas Defrens. Show Answer Correct Answer: D) Vas Defrens. 2. Identify the following body changes during puberty:Widening of hips A) Boys ONLY. B) BOTH boys and Girls. C) Girls ONLY. D) None of the above. Show Answer Correct Answer: C) Girls ONLY. 3. Both human and plant sexual reproduction go through the process of fertilisation. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. How are called the fisical differences between men and women. A) Primary sexual characteristics. B) Secondary sexual characteristics. C) Sexual characteristics. D) Uterus. Show Answer Correct Answer: C) Sexual characteristics. 5. The seminal vesicle is a yellowish fluid that contains ..... A) Spermatozoids. B) Progesterone. C) Neutralizers. D) Pre-ejaculation. Show Answer Correct Answer: A) Spermatozoids. 6. What is used to regulate many bodily processes? A) Bile. B) Hormones. C) Blood vessels. D) Hydrochloric acid. Show Answer Correct Answer: B) Hormones. 7. Which statement about maternal and fetal blood in the placenta is accurate? A) They mix completely in chorionic vessels. B) They remain separate with exchange by diffusion. C) They never exchange any substances. D) They contact only during birth. Show Answer Correct Answer: B) They remain separate with exchange by diffusion. 8. Semen A) Male. B) Female. C) All the above. D) None of the above. Show Answer Correct Answer: A) Male. 9. The eggs are produced in A) The ovaries. B) The womb. C) The fallopian tube. D) The cervix. Show Answer Correct Answer: A) The ovaries. 10. The human male reproductive system isadapted for the production of A) Sperm and the delivery of these cells forinternal fertilization. B) Gametes that transport food to the egg. C) Zygotes and the development of these cellsinto a fetus. D) None of the above. Show Answer Correct Answer: A) Sperm and the delivery of these cells forinternal fertilization. 11. What does ovulation mean? A) A sperm is released into the vas deferens. B) The lining of the uterus breaks down. C) An ovum is released from the ovary. D) Menstruation occurs. Show Answer Correct Answer: C) An ovum is released from the ovary. 12. Which of the following hormones is not secreted by human placenta? A) HCG. B) HGH. C) HPL. D) Progesterone. Show Answer Correct Answer: B) HGH. 13. Exponential growth occurs when there is ..... ? A) A great environmental resistance. B) No environmental resistance. C) No biotic potential. D) A fixed carrying capacity. Show Answer Correct Answer: B) No environmental resistance. 14. Sex chromosomes and reproductive organs define A) Sexuality. B) Gender. C) Sex. D) Gender identity. Show Answer Correct Answer: C) Sex. 15. Which accessory genital gland occurs only in mammalian male? A) Prostate gland. B) Perineal gland. C) Cowper's gland. D) Bartholin gland. Show Answer Correct Answer: C) Cowper's gland. 16. Which is correct about morula? A) Less cytoplasm and less DNA than zygote. B) Same amount of cytoplasm and DNA as zygote. C) More cytoplasm and more DNA than zygote. D) Same amount of cytoplasm but much more DNA than zygote. Show Answer Correct Answer: D) Same amount of cytoplasm but much more DNA than zygote. 17. Which term describes the narrow opening of the uterus that extends into the vagina? A) Fundus. B) Cervix. C) Vulva. D) Labia majora. Show Answer Correct Answer: B) Cervix. 18. Joining of a sperm and egg cell A) Fabrication. B) Menstruation. C) Fertilization. D) Ovulation. Show Answer Correct Answer: C) Fertilization. 19. Which organ of the female reproductive system releases egg cells and produces the estrogen and progesterone? A) Cervix. B) Fallopian tube. C) Ovaries. D) Uterus. Show Answer Correct Answer: C) Ovaries. 20. Where is the egg fertilised? A) In the ovary. B) In the oviduct. C) In the uterus. D) Into the vagina. Show Answer Correct Answer: B) In the oviduct. 21. Cells that provide nourishment to the developing spermatozoa. A) Ledig cells. B) Stem cells. C) Sertoli cells. D) Germ cells. Show Answer Correct Answer: C) Sertoli cells. 22. Which of these is a possible side effect of birth control pills? A) Nausea. B) Irregular bleeding. C) Hormonal. D) All of the above. E) None of the above. Show Answer Correct Answer: D) All of the above. 23. The arrow labeled X represents the process of A) Meiosis. B) Differentiation. C) Cloning. D) Recombination. Show Answer Correct Answer: B) Differentiation. 24. Identify the following stages of adolescence:Selection of partner based on individual choice rather than on what others think A) EARLY adolescence. B) MIDDLE adolescence. C) LATE adolescence. D) None of the above. Show Answer Correct Answer: C) LATE adolescence. 25. ..... helps to protect the baby from knocks and bumps. A) Placenta. B) Umbilical cord. C) Amniotic fluid. D) Uterus. Show Answer Correct Answer: C) Amniotic fluid. ← 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