This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 48 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 48 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Morula with cavity inside is called A) Embryo. B) Fetus. C) Blastocyst. D) Implantation. Show Answer Correct Answer: C) Blastocyst. 2. In sexual reproduction the male produces ..... cells. A) Malex. B) Quack. C) Egg. D) Sperm. Show Answer Correct Answer: D) Sperm. 3. LH surge in the menstrual cycle of females results in ovulation A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. Which area does "axillary" refer to? A) Face. B) Under the armpit. C) The penis or vagina. D) Back. Show Answer Correct Answer: B) Under the armpit. 5. The menstrual cycle is how long on average? A) 28 days. B) 14 days. C) 28 months. D) 12 days. Show Answer Correct Answer: A) 28 days. 6. Name the stage of embryonic development during implantation A) Gastrula. B) Blastocyst. C) Morula. D) Neurula. Show Answer Correct Answer: B) Blastocyst. 7. Asexual reproduction happens faster than sexual reproduction. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 8. This structure has two functions:Production of testosterone and sperm. A) Testicles. B) Prostate. C) Pituitary Gland. D) Penis. Show Answer Correct Answer: A) Testicles. 9. Organ berikut yang bukan merupakan organ penyusun sistem reproduksi laki-laki adalah ..... A) Penis. B) Vas deferens. C) Ureter. D) Testis. Show Answer Correct Answer: C) Ureter. 10. If a normal first polar body contains 12 chromosomes then how many chromosomes are present in a cell of edometrium layer ..... A) 12. B) 20. C) 24. D) 06. Show Answer Correct Answer: C) 24. 11. Berikut ini adalah urutan mitosis yang tepat, yaitu ..... A) Profase-Metafase-Anafase-Telofase. B) Profase-Anafase-Metafase-Telofase. C) Telofase-Anafase-Metafase-Profase. D) Anafase-Telofase-Profase-Metafase. Show Answer Correct Answer: A) Profase-Metafase-Anafase-Telofase. 12. How long does pregnancy last A) 30 weeks. B) 35 weeks. C) 40 weeks. D) 45 weeks. Show Answer Correct Answer: C) 40 weeks. 13. The embryo layer that forms the skin and nervous tissue is the ..... A) Endoderm. B) Mesoderm. C) Ectoderm. D) Deuterostome. Show Answer Correct Answer: C) Ectoderm. 14. Which of the following hormone acts on uterine muscle and causes its stronger contraction? A) Relaxin. B) Estrogen. C) Oxytocin. D) Progesterone. Show Answer Correct Answer: C) Oxytocin. 15. Which one is primary sex organ? A) Scrotum. B) Penis. C) Testis. D) Prostate. Show Answer Correct Answer: C) Testis. 16. Identify the following stages of adolescence:Has intense friendships with same sex A) EARLY adolescence. B) MIDDLE adolescence. C) LATE adolescence. D) None of the above. Show Answer Correct Answer: A) EARLY adolescence. 17. The developing baby in the womb gets food and oxygen from: A) The mother's stomach. B) The placenta. C) The ovary. D) The egg cell. Show Answer Correct Answer: B) The placenta. 18. What is the main function of prolactin in the body? A) To regulate the menstrual cycle. B) To stimulate the development of female secondary sexual characteristics. C) To stimulate the production of breast milk. D) To control the size of the pupil. Show Answer Correct Answer: C) To stimulate the production of breast milk. 19. In which stage of the menstrual cycle is a mature egg released? A) Ovulation. B) Menstruation. C) Follicle. D) Corpus luteum. Show Answer Correct Answer: A) Ovulation. 20. Name the structure that produces a thin milky fluid that aids in sperm motility and contributes to about 30% of overall semen volume. A) Testis. B) Seminal vesicle. C) Prostate gland. D) Bulbourethral gland. Show Answer Correct Answer: C) Prostate gland. 21. Spermatogenesis (meiosis) is the process by which sperm develop and mature. Which of the following sequences correctly describes the anatomical path of spermatozoa from formation to ejaculation? A) . testes, vas deferens, prostate, urethra. B) Testes, urethra, prostate, vas deferens. C) Prostate, vas deferens, testes, urethra. D) Prostate, urethra, testes, vas deferens. Show Answer Correct Answer: A) . testes, vas deferens, prostate, urethra. 22. Which of the following structures are responsible for attaching the embryo to the mother A) Placenta. B) Amnion. C) Umbilical cord. D) None of the above. Show Answer Correct Answer: A) Placenta. 23. Identify the organ labeled as the main site of fetal development and implantation in the female diagram. A) Placenta temporary fetal organ. B) Ovary releasing oocytes. C) Vagina for childbirth passage. D) Uterus where embryo develops. Show Answer Correct Answer: D) Uterus where embryo develops. 24. At about what temperature would you expect the male testes to be at? A) 28$^{o}$C. B) 34$^{o}$C. C) 37$^{o}$C. D) 40$^{o}$C. Show Answer Correct Answer: B) 34$^{o}$C. 25. What is the amnion? A) A membrane that surrounds the placenta. B) A membrane that surrounds the embryo. C) A stage in embryonic development. D) The fluid that surrounds the embryo. Show Answer Correct Answer: B) A membrane that surrounds the 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