This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 3 Human Reproduction – Quiz 45 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 3 Human Reproduction Quiz 45 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An organ that provides the chemical substancess needed by a fetus is called the A) Ovary. B) Uterus. C) Placenta. D) Fallopian tube. Show Answer Correct Answer: C) Placenta. 2. What is the structure in the womb that filters nutrients and waste between mother and baby? A) Umbilical cord. B) Placenta. C) Amniotic sac. D) Uterus. Show Answer Correct Answer: B) Placenta. 3. The male accessory duct where sperms attain fertilizing capacity is A) Rete testis. B) Vasa efferentia. C) Epididymis. D) Vas deferens. Show Answer Correct Answer: C) Epididymis. 4. Average length of time of a woman's menstrual cycle. A) 28 days. B) 7 weeks. C) 2 months. D) 4 days. Show Answer Correct Answer: A) 28 days. 5. Hymen can be torn or broken by:-i) first coitusii) sudden fall/Joltiii) horse ridingiv)Cyclingv) Insertion of vaginal tampon A) I, ii and iv only. B) Iii, iv, and v only. C) All of these. D) I, iv and v only. Show Answer Correct Answer: C) All of these. 6. The embryo with ..... blastomeres is called a morula. A) 1 to 8. B) 8 to 16. C) 16 to 32. D) 64. Show Answer Correct Answer: B) 8 to 16. 7. The average length of day for menstrual cycle is ..... A) 5 days. B) 28 days. C) 14 days. D) 30 days. Show Answer Correct Answer: B) 28 days. 8. Part of sperm that possess in to ovum is A) Tail. B) Acrosomes. C) Head. D) Head, neck, middle piece. Show Answer Correct Answer: D) Head, neck, middle piece. 9. The Androgen Binding Protein (ABP) is produced by ..... A) Leydig cells. B) Hypothalamus. C) Sertoli cells. D) Pituitary gland. Show Answer Correct Answer: C) Sertoli cells. 10. Testes descends to scrotal sacs from the abdominal cavity because A) Scrotal sacs help in protection of testes. B) Scrotal sacs help in maintaining a lower temperature than the normal body temperature. C) Scrotal sacs help in accommodating testes as abdominal cavity doesn't have enough space. D) Scrotal sacs are directly attached to abdominal cavity. Show Answer Correct Answer: B) Scrotal sacs help in maintaining a lower temperature than the normal body temperature. 11. True or False:IVF allows a number of infertile couples to conceive and have a child? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. Part of reproductive organ of a female that store egg cells. A) Testes. B) Fimbriae. C) Ovaries. D) Fallopian tube. Show Answer Correct Answer: C) Ovaries. 13. Which is not a male accessory gland? A) Bulbourethral gland. B) Ampulla. C) Prostate. D) Seminal vesicle. Show Answer Correct Answer: B) Ampulla. 14. What is the average length of the menstrual cycle in females? A) 21 days. B) 42 days. C) 28 days. D) 35 days. Show Answer Correct Answer: C) 28 days. 15. A tissue formed from two different individuals A) Trophoblast. B) Placenta. C) Chorionic villi. D) Maternal villi. Show Answer Correct Answer: B) Placenta. 16. In a "typical" 28 day female reproductive cycle, on which day following the beginning of the menstrual period is the level of luteinizing hormone most likely to be highest? A) Day 5. B) Day 7. C) Day 14. D) Day 21. Show Answer Correct Answer: C) Day 14. 17. Some substances that will pass from mother to child through the placenta are A) Glucose, oxygen, urea. B) Glucose, carbon dioxide, water. C) Glucose, oxygen, water. D) Water, carbon dioxide, aminoacids. Show Answer Correct Answer: C) Glucose, oxygen, water. 18. Which of the following disease is transmitted sexually? A) Kala azar. B) Jaundice. C) Cholera. D) Syphilis. Show Answer Correct Answer: D) Syphilis. 19. Which of the following cells contain 46 chromosome A) Secondary oocytes. B) Primary spermatogonia. C) Ova. D) Spermatids. Show Answer Correct Answer: B) Primary spermatogonia. 20. Attaches to the baby's navel and grows out of the placenta. A) Fetus. B) Embryo. C) Placenta. D) Umbilical Cord. Show Answer Correct Answer: D) Umbilical Cord. 21. What type of cells produces the testosterone? A) Sertoli's cells. B) Leydig's cells. C) All the above. D) None of the above. Show Answer Correct Answer: B) Leydig's cells. 22. Gravidex test for pregnancy involves the check of A) Thyroxine in blood. B) HCG in urine. C) Estrogen in blood. D) Progesterone in urine. Show Answer Correct Answer: B) HCG in urine. 23. Puberty is ..... A) The stage in humans where sex organs mature. B) A disease of the pubic bone. C) The angles of an isosceles triangle. D) The production of pubics. Show Answer Correct Answer: A) The stage in humans where sex organs mature. 24. An ill person in bed A) Pancreas. B) Thymus Gland. C) Pituitary Gland. D) Adrenal Gland. E) Ovaries. Show Answer Correct Answer: B) Thymus Gland. 25. Compare fetal positioning in the pregnancy diagram:where is the fetus located relative to the placenta? A) Within the uterus near placenta. B) Within the vagina below placenta. C) Inside the ovary beside placenta. D) Inside the fallopian tube above placenta. Show Answer Correct Answer: A) Within the uterus near placenta. ← 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