This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Changes in GnRH pulse frequency in females is controlled by circulating levels of (NEET-2016) A) Progesterone only. B) Progesterone & inhibin. C) Estrogen & progesteron. D) Estrogen & inhibin. Show Answer Correct Answer: C) Estrogen & progesteron. 2. The female reproductive structure that serves as a passageway for the ova to the uterus is the: A) Fallopian tube. B) Perineum. C) Vaginal canal. D) Ureter. Show Answer Correct Answer: A) Fallopian tube. 3. PART OF FEMALE REPRODUCTIVE SYSTEM WHERE FERTILIZATION TAKES PLACE. A) CERVIX. B) FALLOPIAN TUBE. C) UTERUS. D) VAGINA. Show Answer Correct Answer: B) FALLOPIAN TUBE. 4. Which is the best example of a trait that is NOT inherited? A) Shape of face. B) Hair color. C) Playing an Instrument. D) Tongue rolling. Show Answer Correct Answer: C) Playing an Instrument. 5. In human reproduction, which sequence of events is correct? A) Menstruation > ovulation > fertilisation > implantation. B) Menstruation > ovulation > implantation > fertilisation. C) Ovulation > menstruation > fertilisation > implantation. D) Ovulation > menstruation > implantation > fertilisation. Show Answer Correct Answer: A) Menstruation > ovulation > fertilisation > implantation. 6. On the 14 $^{th}$ day of menstrual cycle which hormone has negligible secretion ..... A) LH. B) FSH. C) Estrogen. D) Progesterone. Show Answer Correct Answer: D) Progesterone. 7. The tube that brings urine and semen out of the body is A) The urethra. B) The uterus. C) The bladder. D) The fallopian tube. Show Answer Correct Answer: A) The urethra. 8. Cleavage starts A) When zygote moves from ampulla towards womb. B) When zygote comes in womb. C) When zygote implants. D) When zygote crosses infundibulum. Show Answer Correct Answer: A) When zygote moves from ampulla towards womb. 9. If the egg is fertilized, it will implant here A) Ovary. B) Endometrial lining. C) Fallopian tube. D) Cervix. Show Answer Correct Answer: B) Endometrial lining. 10. Sex of human baby is determined by sex chromosomes of ..... A) Father. B) Mother. C) All the above. D) None of the above. Show Answer Correct Answer: A) Father. 11. The main function of the prostate seems to be ..... A) Spermatogenesis. B) Production of glycogen. C) Secretion of alkaline mucus. D) Maturation of sperm cells. Show Answer Correct Answer: C) Secretion of alkaline mucus. 12. What do male condoms offer that other forms of birth control DO NOT? A) Least chance of failure. B) Best protection against STDs. C) Cheapest to use. D) All of the above. Show Answer Correct Answer: B) Best protection against STDs. 13. Urethral meatus refers to the: A) Urinogenital duct. B) Opening of vas deferens into urethra. C) External opening of the urinogenital duct. D) Muscles surrounding the urinogenial duct. Show Answer Correct Answer: C) External opening of the urinogenital duct. 14. ..... is used to place and protect the developing fetus. A) Uterus. B) Testes. C) Scrotum. D) Cervix. Show Answer Correct Answer: A) Uterus. 15. In humans, at the end of the first meiotic division, the male germ cells differentiate into the (2008) A) Spermatids. B) Spermatogonia. C) Primary spermatocytes. D) Secondary spermatocytes. Show Answer Correct Answer: D) Secondary spermatocytes. 16. Androgens are produced by A) Hypothalamus. B) Pituitary. C) Corpus luteum. D) Leydig cells. Show Answer Correct Answer: D) Leydig cells. 17. If mammalian ovum fails to get fertilized, which one of the following is unlikely A) Corpus luteum will disintegrate. B) Estrogen secretion further decreases. C) Primary follicle starts developing. D) Progesterone secretion rapidly declines. Show Answer Correct Answer: B) Estrogen secretion further decreases. 18. This carries the egg to the uterus. A) Fallopian tube. B) Vagina. C) Cervix. D) Ovary. Show Answer Correct Answer: A) Fallopian tube. 19. A cross section at midpoint of middle piece of human sperm will show A) Centriole, mitochondria, 9+2 arrangement of microtubule. B) Centriole and mitochondria. C) Mitochonria, 9+2 arrangement of microtubule. D) 9+2 Arrangement of microtubule only. Show Answer Correct Answer: C) Mitochonria, 9+2 arrangement of microtubule. 20. During which trimester of pregnancy do mothers have to be the most careful to stay away from environmental pollutants? A) Trimester 1. B) Trimester 2. C) Trimester 3. D) None of them. Show Answer Correct Answer: A) Trimester 1. 21. Which one of the followings causes the mammary glands to enlarge at puberty? A) Testosterone. B) Progesterone. C) Estrogen. D) Oxytocin. Show Answer Correct Answer: C) Estrogen. 22. The ..... is the opening of the uterus A) Cervix. B) Vagina. C) Ovulation. D) Uterus. Show Answer Correct Answer: A) Cervix. 23. Where do the egg and sperm meet? A) The ovary. B) The fallopian tube / oviduct. C) The vas deferens. D) The uterus. Show Answer Correct Answer: B) The fallopian tube / oviduct. 24. Vas deferens connects the epididymis to the A) Seminal vesicle. B) Prostate. C) Bladder. D) Urethra. Show Answer Correct Answer: D) Urethra. 25. Fertilisation of sperm and secondary oocytes takes place in the ..... junction of fallopian tube. A) Infundibulum ampulla. B) Ampulla isthmus. C) Isthmus uterus. D) None of the above. Show Answer Correct Answer: B) Ampulla isthmus. ← 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