This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 3 Human Reproduction – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A pregnant woman should increase her calorie intake. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. The part of the blastocyst that gives rise to the embryo is A) Trophoblast. B) Inner Mass Cells. C) Blastocoel. D) None of the above. Show Answer Correct Answer: B) Inner Mass Cells. 3. How much care do humans give to their offspring? A) None. B) About a year. C) About 2 years. D) About 18 years. Show Answer Correct Answer: D) About 18 years. 4. Seminal plasma is rich in A) Ribose and potassium. B) Glucose and calcium. C) DNA and testosterone. D) Fructose and Calcium. Show Answer Correct Answer: D) Fructose and Calcium. 5. Embryo with more than 8 blastomere is inserted into uterus to complete its further development is called A) IUT. B) IVF. C) IUI. D) GIFT. Show Answer Correct Answer: A) IUT. 6. Which of the following secretes the hormone, relaxin, during the later phase of pregnancy? A) Graafian follicle. B) Foetus. C) Corpus luteum. D) Uterus. Show Answer Correct Answer: C) Corpus luteum. 7. A muscular tube leading from the cervix to the outside of the body is the: A) Fallopian tube. B) Labia majora. C) Vagina. D) Vulva. Show Answer Correct Answer: C) Vagina. 8. In human female the blastocyst A) Get implanted in to uterus 3 days after ovulation. B) Get implanted in endometrium by trophoblast cell. C) Get nutrition from uterine endometrial secretion only after implantation. D) From placenta even before impolantation. Show Answer Correct Answer: B) Get implanted in endometrium by trophoblast cell. 9. What hormone causes ovulation to occur? A) LH. B) Oestrogen. C) FSH. D) Progesterone. Show Answer Correct Answer: A) LH. 10. Which is the only structure not to produce semen? A) Seminal vesicle. B) Testicle. C) Cowper's gland. D) Prostate gland. Show Answer Correct Answer: B) Testicle. 11. It refers to the fertilization between male reproductive cell and female reproductive cell. A) Implantation. B) Fertilization. C) Sexual reproduction. D) Asexual reproduction. Show Answer Correct Answer: C) Sexual reproduction. 12. In a rabbit, the embryo normally develops within the A) Uterus. B) Placenta. C) Yolk sac. D) Umbilical cord. Show Answer Correct Answer: A) Uterus. 13. What is the period between fertilisation and birth called? A) Growing. B) Gestation. C) Breating. D) Increasing. Show Answer Correct Answer: B) Gestation. 14. Is it normal to have acne? A) Its gross. B) Lol no. C) No. D) Yes. Show Answer Correct Answer: D) Yes. 15. What is the hormone responsible for male changes A) Testosterone. B) Progesterone. C) Estrogen. D) Adrenaline. Show Answer Correct Answer: A) Testosterone. 16. The site of fertilization is the A) Vagina. B) Uterus. C) Ovary. D) Fallopian tube. Show Answer Correct Answer: D) Fallopian tube. 17. In implantation, which of the following burrows into the endometrium: A) Zygote. B) Gastrula. C) Blastocyst. D) Morula. Show Answer Correct Answer: C) Blastocyst. 18. The sperm ducts in the male reproductive system A) Produce a fluid which contains nutrients for the sperms. B) Produce sex hormones. C) Carry sperms from the testes to the urethra. D) Carry semen out of the body. Show Answer Correct Answer: C) Carry sperms from the testes to the urethra. 19. After fertilization, the egg becomes a(n) ..... A) Embryo. B) Pregnancy. C) Cervix. D) None of the above. Show Answer Correct Answer: A) Embryo. 20. Which one is not correct about the function of the placenta? A) Help in respiration. B) Release HCG hormone. C) Help in nutrition. D) Release testosterone hormone. Show Answer Correct Answer: D) Release testosterone hormone. 21. Where does an egg get fertilized? A) Uterus. B) Cervix. C) Fallopian Tube. D) Ovary. Show Answer Correct Answer: C) Fallopian Tube. 22. Emergency contraceptives are effective if used within 72 hrs of A) Implantation. B) Coitus. C) Ovulation. D) Menstruation. Show Answer Correct Answer: B) Coitus. 23. The hormone that helps in secretion of androgens by Leydig cells is A) GnRH. B) LH. C) Testosterone. D) FSH. Show Answer Correct Answer: B) LH. 24. Days is the average ..... period in humans A) Parturition. B) Insemination. C) Gestation. D) None of the above. Show Answer Correct Answer: C) Gestation. 25. A trait that is covered over by another form of that trait. A) Recessive Trait. B) Dominant Trait. C) Allele. D) Gene. Show Answer Correct Answer: A) Recessive Trait. 26. A typical animal cell consists of(i) cell wall(ii) cell membrane (iii) cytoplasm A) $^{(I) and (ii) only }$. B) (I) and (III) only. C) (II) and (III) only. D) All of the above. Show Answer Correct Answer: C) (II) and (III) only. 27. When is the best time in the menstrual cycle for a woman to have sexual intercourse, if she wants to get pregnant? A) 21-28 days. B) 14-21 days. C) 1-7 days. D) 7-14 days. Show Answer Correct Answer: B) 14-21 days. 28. Location of testes in scrotum can decrease the temperature upto A) 2-3$^{o}$C. B) 3-4$^{o}$C. C) 2-4$^{o}$C. D) 2-2.5$^{o}$C. Show Answer Correct Answer: D) 2-2.5$^{o}$C. 29. The correct order of the reproductive anatomy of a female human from the outermost to the innermost structures is A) Uterus, Vagina, Ovary, Oviduct. B) Vagina, Oviduct, Uterus, Ovary. C) Ovary, Uterus, Oviduct, Vagina. D) Vagina, Uterus, Oviduct, Ovary. Show Answer Correct Answer: D) Vagina, Uterus, Oviduct, Ovary. 30. Hereditary traits are transmitted from generation to generation by means of A) Proteins in body cells. B) Specific sequences of bases in DNA in reproductive cells. C) Carbohydrates in body cells. D) Specific starches making up DNA in reproductive cells. Show Answer Correct Answer: B) Specific sequences of bases in DNA in reproductive cells. 31. What hormone is released by the anterior pituitary to stimulate division of spermatogonia? A) Testosterone. B) FSH. C) GnRH. D) LH. Show Answer Correct Answer: B) FSH. 32. There is no such thing as a female condom. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 33. A Mature sperm has A) A pair of Flagella. B) A nucleus, an acrosome and a centriole. C) A nucleus, an acrosome, a pair of centriole. D) Nucleus, an acrosome, a pair of centrioles and a tail. Show Answer Correct Answer: D) Nucleus, an acrosome, a pair of centrioles and a tail. 34. Identify the substance that will pass from the blood of the fetus to the blood of the mother A) Oxygen. B) Vitamins. C) Urea. D) Glucose. Show Answer Correct Answer: C) Urea. 35. Progestasert and LNG-20 are A) Hormone releasing IUDs. B) Copper releasing IUDs. C) Non-medicated IUDs. D) Implants. Show Answer Correct Answer: A) Hormone releasing IUDs. 36. Which hormone that secrete by corpus luteum A) Estrogen and progesterone. B) Estrogen and LH. C) Progesetrone. D) FSH and LH. Show Answer Correct Answer: A) Estrogen and progesterone. 37. Which structure carries sperm from the epdidymis to the urethra? A) Penis. B) Vas deferens. C) Seminal vesicle. D) Prostate. Show Answer Correct Answer: B) Vas deferens. 38. What is the function of the scrotum? A) To nourish the foetus. B) To regulate the menstrual cycle. C) To produce ova. D) To hold the testes. Show Answer Correct Answer: D) To hold the testes. 39. Substances that the placenta provides to a baby A) Oxygen and food. B) Oxygen and Nutrients. C) Beer and snacks. D) Jelly. Show Answer Correct Answer: B) Oxygen and Nutrients. 40. Which of the following is NOT a secondary sex characteristic in males? A) Deepening of Voice. B) Growth of pubic and chest hair. C) Growth of mammary glands. D) Increase in muscle mass. Show Answer Correct Answer: C) Growth of mammary glands. 41. At the time of implantation, the human embryo is called ..... A) Zygote. B) Embryo. C) Foetus. D) Blastocysts. Show Answer Correct Answer: D) Blastocysts. 42. During reproduction, what are passed down from parents to their young? A) White blood cells. B) Behaviors. C) Fingerprint. D) Genetic information. Show Answer Correct Answer: D) Genetic information. 43. An easy way to remember the order of hormones that are involved in the menstrual cycle is ..... A) FLOP. B) POLF. C) FOLP. D) LOPF. Show Answer Correct Answer: C) FOLP. 44. What are the common symptoms of pregnancy during the first trimester? A) Cough, runny nose, sore throat, and fever. B) Constipation, bloating, heartburn, and weight gain. C) Nausea, fatigue, breast tenderness, and frequent urination. D) Headache, back pain, dizziness, and muscle cramps. Show Answer Correct Answer: C) Nausea, fatigue, breast tenderness, and frequent urination. 45. What is the role of hormones in reproduction? A) Hormones regulate various processes in reproduction, including the menstrual cycle, ovulation, and pregnancy. B) Hormones are responsible for the physical structure of reproductive organs. C) Hormones only affect male reproductive functions. D) Hormones have no significant role in reproduction. Show Answer Correct Answer: A) Hormones regulate various processes in reproduction, including the menstrual cycle, ovulation, and pregnancy. 46. What gland controls all of the other glands? A) Pituitary gland. B) Adreanal gland. C) Pineal gland. D) Pancreas. Show Answer Correct Answer: A) Pituitary gland. 47. Which sex cell is produced in males? A) Sperm. B) Ovary. C) Testis. D) Egg. Show Answer Correct Answer: A) Sperm. 48. What is the name of the hormone that stimulates the production of sperm in males? A) Testosterone. B) Luteinizing Hormone (LH). C) Follicle-Stimulating Hormone (FSH). D) Estrogen. Show Answer Correct Answer: C) Follicle-Stimulating Hormone (FSH). 49. How many weeks is a full-term pregnancy considered to be? A) 36 weeks. B) 40 weeks. C) 50 weeks. D) 30 weeks. Show Answer Correct Answer: B) 40 weeks. 50. The sex cells that are made by males and that are needed to fertilize eggs. A) Oviduct. B) Sperm duct. C) Egg. D) Sperm. Show Answer Correct Answer: D) Sperm. 51. Part of male reproductive organ that store sperm cells. A) Urethra. B) Testicles. C) Ureter. D) Ovary. Show Answer Correct Answer: B) Testicles. 52. What is another name given to the first milk a women produces when breast feeding? A) Lactolactin. B) Prolactin. C) Colostrum. D) None of the above. Show Answer Correct Answer: C) Colostrum. 53. Which hormone stimulates the build up of the endometrium? A) LH. B) Estrogen. C) FSH. D) Progesterone. Show Answer Correct Answer: B) Estrogen. 54. The surge in LH that occurs during the middle of the ovarian cycle triggers ..... A) Menstruation. B) FSH release. C) Ovulation. D) Uterine-lining secretion. Show Answer Correct Answer: C) Ovulation. 55. The male reproductive organ is the A) Epididymis. B) Testicle. C) Penis. D) Sperm. Show Answer Correct Answer: C) Penis. 56. What hormone(s) is responsible for thickening the lining of the uterus? A) Estrogen. B) Progesterone. C) FSH & LH. D) LH and estrogen. Show Answer Correct Answer: A) Estrogen. 57. Which of the following is the least effective method of birth control? A) IUD. B) Rhythm. C) Condom. D) Vasectomy. Show Answer Correct Answer: B) Rhythm. 58. The process of formation and development of blastocyst and its attachment to the uterine wall is called A) Gestation. B) Parturition. C) Fertilization. D) Implantation. Show Answer Correct Answer: D) Implantation. 59. Bartholin's glands are situated A) On either side of vas deference. B) On either side of penis. C) On either side of vagina. D) On either side of prostate gland. Show Answer Correct Answer: C) On either side of vagina. 60. During parturition, Foetal ejection reflex triggers release of Contractile hormone A) Estrogen. B) Oxytocin. C) Progesterone. D) Relaxin. Show Answer Correct Answer: B) Oxytocin. ← PreviousNext →Related QuizzesScience QuizzesClass 12 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books