This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An endocrine gland formed in the ovary after ovulation is A) Endometrium. B) Corpus luteum. C) Blastula. D) None of the above. Show Answer Correct Answer: B) Corpus luteum. 2. Spermatogenesis involves ..... A) Mitosis only. B) Meiosis only. C) Mitosis followed by meiosis. D) None of the above. Show Answer Correct Answer: C) Mitosis followed by meiosis. 3. Identify the product formed during oogenesis from one diploid cell A) One functional eggs and three polar bodies. B) Two functional eggs and two polar bodies. C) Four functional polar bodies. D) Four functional eggs. Show Answer Correct Answer: A) One functional eggs and three polar bodies. 4. Which of the following phases of the menstrual cycle is of shortest duration? A) Menstrual phase. B) Follicular phase. C) Ovulatory phase. D) Luteal phase. Show Answer Correct Answer: C) Ovulatory phase. 5. Identify the hormone that causes the development of secondary sexual characteristics in females A) Progesterone. B) Testosterone. C) Oestrogen. D) LH. Show Answer Correct Answer: C) Oestrogen. 6. Fallopian tube consists of:A. IsthmusB. CervixC. AmpullaD. Infundibulum A) A, B. B) A, B, C. C) A, C, D. D) A, B, C, D. Show Answer Correct Answer: C) A, C, D. 7. Which statement about the functioning of the human reproductive system is correct? A) A) Testes produce unfertilized eggs andrelease them so that they can be fertilizedby sperm. B) B) Ovaries are where male gametes undergomeiosis to reduce their chromosomenumber. C) C) The uterus is where the fetus developsinternally until birth. D) None of the above. Show Answer Correct Answer: C) C) The uterus is where the fetus developsinternally until birth. 8. In correct chronological order, the three phases of the human ovarian cycle are: A) Menstrual $\rightarrow$ ovulation $\rightarrow$ luteal. B) Follicular $\rightarrow$ luteal $\rightarrow$ secretory. C) Menstrual $\rightarrow$ proliferative $\rightarrow$ secretory. D) Follicular $\rightarrow$ ovulation $\rightarrow$ luteal. Show Answer Correct Answer: D) Follicular $\rightarrow$ ovulation $\rightarrow$ luteal. 9. Before birth, human babies receive their nutrition from their mother through the A) Amniotic sac. B) Umbilical cord. C) Gestational fluid. D) Stomach tissue. Show Answer Correct Answer: B) Umbilical cord. 10. Determine the structure found in the discharge of menstruation A) Corpus luteum. B) Myometrium of uterus. C) Endometrium of uterus. D) Graafian follicle. Show Answer Correct Answer: C) Endometrium of uterus. 11. In human males, the paired testes are external to the body cavity because A) This allows for easier transport of sperms to the urethra. B) They are too large to be accommodated inside the body. C) They contain the prostate gland which secretes seminal fluid. D) They contain the sperm which need a cooler temperature to remain viable. Show Answer Correct Answer: D) They contain the sperm which need a cooler temperature to remain viable. 12. What is the function of the placenta? A) Passes nutrients to the baby form the mother. B) It is the fluid that protects the baby. C) The placenta is tissue that passes nutrients and oxygen into the baby via umbilical cord and removes carbon dioxide and urea from the baby. D) The baby. Show Answer Correct Answer: C) The placenta is tissue that passes nutrients and oxygen into the baby via umbilical cord and removes carbon dioxide and urea from the baby. 13. What is the name of the structure in the ovary where the egg is released from? A) Pouch. B) Tube. C) Follicle. D) Sac. Show Answer Correct Answer: C) Follicle. 14. What is the main function of the ovaries in the female reproductive system? A) Produce eggs and sex hormones. B) Store eggs. C) Transport eggs to the uterus. D) Filter blood. Show Answer Correct Answer: A) Produce eggs and sex hormones. 15. Why does your voice change A) Testosterone makes your voice box stretch. B) Testosterone makes your voice box grow. C) You hit your throat and it hurts. D) Testosterone (pronounced:tes-TAHS-tuh-rone), makes your voice box or larynx shrink. Show Answer Correct Answer: B) Testosterone makes your voice box grow. 16. Secretion of milk from the mammary gland towards the end of the pregnancy is called ..... A) Lactation. B) Parturition. C) Fertilization. D) Implantation. Show Answer Correct Answer: A) Lactation. 17. Repair of endometrium is undertaken by A) Prolactin. B) Estrogen. C) FSH. D) LH. Show Answer Correct Answer: B) Estrogen. 18. A woman usually releases eggs at the rate of A) One every twenty-eight days. B) One every fourteen days. C) Once every nine months. D) Twelve times a year. Show Answer Correct Answer: A) One every twenty-eight days. 19. What is the name of the organ where the embryo develops? A) Lung. B) Stomach. C) Uterus. D) Brain. Show Answer Correct Answer: C) Uterus. 20. Assertion:During pregnancy, the levels of hormones like estrogens and progesterone are increased. Reason:The increased production of these hormones is essential for supporting fetal growth. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. Show Answer Correct Answer: A) Both A and R are true and R is the correct explanation of A. 21. The birth canal is also called the A) Uterus. B) Vagina. C) Fallopian tubes. D) Cervix. Show Answer Correct Answer: B) Vagina. 22. True / False-Nervous System messages are faster acting than those carried by hormones A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. Where are the sperm cells released during mating? A) Ovaries. B) Uterus. C) Fallopian tube. D) Vagina. Show Answer Correct Answer: D) Vagina. 24. What cells secrete testosterone? A) Sertoli cells. B) Spermatocytes. C) Spermatids. D) Leydig cells. Show Answer Correct Answer: D) Leydig cells. 25. Where is the genetic material (DNA) located in a sperm? A) In the head. B) In the tail. C) In the middle piece. D) None of the above. Show Answer Correct Answer: A) In the head. ← 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