This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > How Do Organisms Reproduce > Class 10 Science Chapter 8 How Do Organisms Reproduce – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. During favourable conditions, Amoeba reproduces by A) Multiple fission. B) Budding. C) Binary fission. D) Fragmentation. Show Answer Correct Answer: C) Binary fission. 2. Which of the following change is associated with the sexual maturity in boys? A) Entire growth of body. B) Cracking of voice. C) Development of high pitch voice. D) Increase in height. Show Answer Correct Answer: B) Cracking of voice. 3. Which of the following is not a part of female reproductive system in human beings? A) Ovary. B) Uterus. C) Vas deferens. D) Fallopian tube. Show Answer Correct Answer: C) Vas deferens. 4. The ovaries produce female sex hormones called A) Oestogen. B) Progesterone. C) Testosterone. D) Both oestrogen and progesterone. Show Answer Correct Answer: D) Both oestrogen and progesterone. 5. A set of coiled tubes that connect to the vas deferens. A) Fallopian tube. B) Epididymis. C) Urethra. D) Seminal Vesicle. Show Answer Correct Answer: B) Epididymis. 6. An egg cell leaves the ..... and goes into the fallopian tube. A) Uterus. B) Scrotum. C) Testicle. D) Ovary. Show Answer Correct Answer: D) Ovary. 7. Why is the scrotum located outside the body? A) The lower temperature is essential for sperm production. B) To protect the testes from abdominal trauma. C) To keep the testes away from the infective potential of the digestive system. D) The vas deferens provides a longer pathway for the maturation of sperm. Show Answer Correct Answer: A) The lower temperature is essential for sperm production. 8. Plasmodium reproduces by this method A) Binary fission. B) Multiple fission. C) Fragmentation. D) None of the above. Show Answer Correct Answer: B) Multiple fission. 9. Cutting the roots from a carrot and allowing it to grow into a newly formed daughter carrot is called ..... A) Cloning. B) Vegetative Reproduction. C) Plants vs. Zombies. D) Binary Fission. Show Answer Correct Answer: B) Vegetative Reproduction. 10. The skin cells of an animal contain 8 chromosomes. How many chromosomes will be present in each of the gametes produced by this animal? A) 8. B) 16. C) 4. D) 2. Show Answer Correct Answer: C) 4. 11. The part of seed which grows and develops into root on germination is called A) Radicle. B) Plumule. C) Seed coat. D) Cotyledon. Show Answer Correct Answer: A) Radicle. 12. Pollination via wind is also known as A) Hydrophily. B) Entomophily. C) Anemophily. D) Malacophily. Show Answer Correct Answer: C) Anemophily. 13. Which organ allows oxygen and nutrients to get to the foetus? A) Uterus. B) Small intestine. C) Placenta. D) Lungs. Show Answer Correct Answer: C) Placenta. 14. A ..... is formed when fertilization occurs. A) Zygote. B) Fetus. C) Sperm. D) Embryo. Show Answer Correct Answer: A) Zygote. 15. What is the male reproductive organs that produce sperms? A) Penis. B) Fallopian tube. C) Testes. D) Ovary. Show Answer Correct Answer: C) Testes. 16. The following part of the germinating seed develops into root. A) Plumule. B) Axis. C) Radicle. D) Cotyledon. Show Answer Correct Answer: C) Radicle. 17. The change that is not observed during puberty in female is A) Increase in breast size. B) Change/cracking of voice. C) Menstruation. D) Both a and b. Show Answer Correct Answer: B) Change/cracking of voice. 18. The process when a small root and a shoot begin to grows out of a seed? A) Cycle. B) Cone. C) Germination. D) Flower. Show Answer Correct Answer: C) Germination. 19. The two oviducts in human female unite in a bag called ..... A) Vagina. B) Uterus. C) Cervix. D) Fallopian tube. Show Answer Correct Answer: B) Uterus. 20. A-Regeneration is getting a full organism back from its body parts.R-Hydra and planaria show regenration A) Both A and R are true, and R is the correct explanation of A. B) Both A and R are true, and R is 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. Two cells will be fertilized by two male gametes. name the cells? A) Polar nuclei and synergid cells. B) Synergid and antipodal cells. C) Egg and polar nuclei cells. D) Egg and antipodal cells. Show Answer Correct Answer: C) Egg and polar nuclei cells. 22. In a flower, the parts that produce male and female gametes (germ cells) are A) Stamen and anther. B) Filament and stigma. C) Anther and ovary. D) Stamen and style. Show Answer Correct Answer: C) Anther and ovary. 23. How many Male gametes does a pollen grain has? A) 6. B) 4. C) 2. D) 1. Show Answer Correct Answer: C) 2. 24. Regeneration is a mode of asexual reproduction in A) Hydra and planaria. B) Only planaria. C) Spirogyra. D) Leishmania. Show Answer Correct Answer: A) Hydra and planaria. 25. The nesting of a fertilized egg in the wall of the uterus. A) Conception. B) Fertilization. C) Menstruation. D) Implantation. Show Answer Correct Answer: D) Implantation. 26. The lining of the uterus that thickens as an egg matures A) Cervix. B) Endometrium. C) Uterus. D) None of the above. Show Answer Correct Answer: B) Endometrium. 27. How many chromosomes are in each of the sex cells? A) 46. B) 90. C) 23. D) None of the above. Show Answer Correct Answer: C) 23. 28. Ovulation takes place A) At 14th day of menstrual cycle. B) At 21st day of menstrual cycle. C) At 7th day of menstrual cycle. D) At 28th day of menstrual cycle. Show Answer Correct Answer: A) At 14th day of menstrual cycle. 29. The offsprings formed by asexual reproduction method have greater similarity among themselves because- A) Asexual reproduction involves gametes. B) Asexual reproduction doesn't involve gametes. C) Asexual reproduction involves only one parent. D) Asexual reproduction involves two parents. Show Answer Correct Answer: B) Asexual reproduction doesn't involve gametes. 30. What is Variation? A) Noticeable change in 2 different species. B) It is the copying during reproduction is important for maintaining the body designs of different organisms to survive in the existing environment. C) It refers to the visible difference between two individuals or among a group of individuals or species. D) None of the above. Show Answer Correct Answer: C) It refers to the visible difference between two individuals or among a group of individuals or species. 31. All forms of asexual reproduction use ..... to grow new cells and organisms. A) Mitosis. B) Meiosis. C) All the above. D) None of the above. Show Answer Correct Answer: A) Mitosis. 32. The two nuclei at the end of the pollen tube are called A) Tube nucleus and a generative nucleus. B) Sperm and ovum. C) Generative nucleus and stigma. D) Tube nucleus and sperm. Show Answer Correct Answer: A) Tube nucleus and a generative nucleus. 33. What is fertilisation? A) The release of an egg from the ovary. B) The joining of a sperm cell and an egg cell. C) The development of the fetus in the uterus. D) The process by which the fetus is delivered from the uterus. Show Answer Correct Answer: B) The joining of a sperm cell and an egg cell. 34. In Rhizopus the spores are present in A) Hyphae. B) Sporangium. C) Both of the above. D) None of the above. Show Answer Correct Answer: B) Sporangium. 35. In an experiment, Sohan removed the young stamens of a bisexual flower. What will be its result? A) The flower will develop into fruit. B) The flower can not develop into the fruit. C) Fertilisation will not occur. D) Both option 2 and option 3. Show Answer Correct Answer: A) The flower will develop into fruit. 36. Spores are formed in a structure known as A) Sporangia. B) Pollen sac. C) Gametagia. D) Gemmule. Show Answer Correct Answer: A) Sporangia. 37. The cut part of a plant stem which is used in grafting is called A) Stump. B) Stock. C) Stick. D) Scion. Show Answer Correct Answer: D) Scion. 38. Which Male accessory gland is unpaired? A) Cowper's gland. B) Prostate. C) Seminal vesicles. D) Bulbourethral gland. Show Answer Correct Answer: B) Prostate. 39. The fertilisation which occurs inside the female body is called A) Internal fertilisation. B) External fertilisation. C) All the above. D) None of the above. Show Answer Correct Answer: A) Internal fertilisation. 40. Which structure is correctly paired with its function? A) Testis-development of sperm. B) Uterus-produces estrogen. C) Ovary-provides milk for newborns. D) Placenta-storage of released eggs. Show Answer Correct Answer: A) Testis-development of sperm. 41. What is the role of double fertilization in plants reproducing by sexual reproduction? A) To produce seed. B) To produce cotyledons. C) To produce endosperm. D) To produce hormone. Show Answer Correct Answer: C) To produce endosperm. 42. Why complex organisms cannot give rise to new individuals through regeneration? A) Its not in the book. B) I am bit confused. C) Its their choice. D) Cause they have complex organisms. Show Answer Correct Answer: D) Cause they have complex organisms. 43. What is the significance of reproduction? A) Maintain muscle power. B) Maintain the continuity of species. C) Division of cell into cells. D) Maintain growth. Show Answer Correct Answer: B) Maintain the continuity of species. 44. The term scion is used in relation to A) Sexual reproduction. B) Pollen. C) Grafting. D) Embryology. Show Answer Correct Answer: C) Grafting. 45. Reproductive glands in which eggs are produced A) Penis. B) Menstrual cycle. C) Ovaries. D) Fertilization. Show Answer Correct Answer: C) Ovaries. 46. Following one plays an important role in reproduction. A) RNA. B) DNA. C) Cell. D) Tissue. Show Answer Correct Answer: B) DNA. 47. Male and female reproductive cells are collectively known as: A) Pollen. B) Gametes. C) Spores. D) Offspring. Show Answer Correct Answer: B) Gametes. 48. Which of the following is not the part of female reproductive system? A) Ovary. B) Vas deference. C) Uterus. D) Fallopian tubule. Show Answer Correct Answer: B) Vas deference. 49. Pollination by means of insects is called ..... A) Anemophily. B) Hydrophily. C) Entomophily. D) Ornithophily. Show Answer Correct Answer: C) Entomophily. 50. Which of the following is a future shoot? A) Plumule. B) Cotyledon. C) Radicle. D) None of these. Show Answer Correct Answer: A) Plumule. 51. Sugarcane is propagated by A) Root cutting. B) Seed. C) Leaf buds. D) Stem cutting. Show Answer Correct Answer: D) Stem cutting. 52. Which among the following are not the functions of testes at puberty?(i) Formation of germ cells(ii) Secretion of testosterone(iii) Development of placenta(iv) Secretion of estrogen A) (i) and (ii). B) (i) and (iii). C) (ii) and (iv). D) (iii) and (iv). Show Answer Correct Answer: D) (iii) and (iv). 53. Hibiscus flower is called bisexual because it contains A) Both stamen and pistil. B) Only stamen. C) Only pistil. D) Neither Stamen nor pistil. Show Answer Correct Answer: A) Both stamen and pistil. 54. Production of sperm A) Prostatectomy. B) Ejaculation. C) Spermatogenesis. D) Vasovasostomy. Show Answer Correct Answer: C) Spermatogenesis. 55. Variation is essential in organisms to A) Have a variety. B) Survive in changing conditions. C) Sustaining of life on earth. D) All the above. Show Answer Correct Answer: D) All the above. 56. All of these animals are pollinators EXPECT A) Fish. B) Bee. C) Bird. D) Butterfly. Show Answer Correct Answer: A) Fish. 57. In Female, fertilization of ovum takes place in A) Vagina. B) Ovary. C) Uterus. D) Fallopian tubes. Show Answer Correct Answer: D) Fallopian tubes. 58. What do we call a fertilized egg? A) Zygote. B) Testosterone. C) Egg. D) Sperm. Show Answer Correct Answer: A) Zygote. 59. Which of the following is not an outcome of variations present in a population? A) Maintenance of body design features. B) Survival of species over time. C) Bacterial resistance to heat. D) Different colour of eyes. Show Answer Correct Answer: A) Maintenance of body design features. 60. Asexual reproduction is- A) Fusion of specialized cells. B) Method by which all types of organisms reproduce. C) Method producing genetically identical offspring. D) Method in which more than one parent are involved. Show Answer Correct Answer: C) Method producing genetically identical offspring. ← PreviousNext →Related QuizzesScience QuizzesClass 10 QuizzesClass 10 Science Chapter 8 How Do Organisms Reproduce Quiz 1Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 2Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 3Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 4Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 6Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 7 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books