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 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hydra divides by ..... A) Regeneration. B) Budding. C) Vegetative propogation. D) Multiple fission. Show Answer Correct Answer: B) Budding. 2. The penis and scrotum are part of the male's genitals. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. 9, Which of the following statements are incorrect? A) The umbilical cord is the connection between the foetus and the placenta. B) The placenta can exchange materials between the foetus and the mother. C) Antibodies cannot reach the fetus through the mother's placenta. D) All of the above. Show Answer Correct Answer: C) Antibodies cannot reach the fetus through the mother's placenta. 4. The primary role of the reproductive system is ..... A) To determine one's gender. B) To produce gametes. C) To excrete liquid wastes. D) To create offspring. E) To ensure the survival of the species. Show Answer Correct Answer: E) To ensure the survival of the species. 5. What process happens when a small root and a plant begin to grows out of a seed? A) Flower. B) Germination. C) Cycle. D) Cone. Show Answer Correct Answer: B) Germination. 6. In Rhizopus fungus, the fine thread like structures spread on the whole surface of slice of bread are called- A) Stems. B) Roots. C) Rhizoids. D) Hypae. Show Answer Correct Answer: D) Hypae. 7. Which among the following is a unicellular organism that reproduces by budding? A) Plants. B) Yeast. C) Planaria. D) Spirogyra. Show Answer Correct Answer: B) Yeast. 8. Which of the following plant can be vegetatively propagated by leaf? A) Bryophyllum. B) Carrot. C) Ginger. D) None of these. Show Answer Correct Answer: A) Bryophyllum. 9. Who is considered as a father of plant tissue culture? A) Haberlandt. B) Mendel. C) Darwin. D) Litter. Show Answer Correct Answer: A) Haberlandt. 10. What do you call the cell that forms from fertilization? A) Sperm cell. B) Egg cell. C) Zygote. D) Fertilized egg. Show Answer Correct Answer: C) Zygote. 11. Characters transmitted from parents to offspring are present in ..... A) Genes. B) Golgi bodies. C) Ribosome. D) Cytoplasm. Show Answer Correct Answer: A) Genes. 12. Rhizopus reproduces by A) Budding. B) Hyphae. C) Spore formation. D) Regeneration. Show Answer Correct Answer: C) Spore formation. 13. Fruits are formed from A) Style. B) Ovary. C) Stigma. D) Anther. Show Answer Correct Answer: B) Ovary. 14. Spore formation is most common asexual method of reproduction in- A) Protozoa. B) Tubers. C) Fungi. D) Algae. Show Answer Correct Answer: C) Fungi. 15. In Spirogyra, asexual reproduction takes place by: A) Breaking up of filaments into smaller bits. B) Division of a cell into two cells. C) Division of a cell into many cells. D) Formation of young cells from older cells. Show Answer Correct Answer: A) Breaking up of filaments into smaller bits. 16. Reason for the greater similarities among the offsprings produced by asexual reproduction, is:(i) Asexual reproduction involves only one parent(ii) Asexual reproduction involves two parents(iii) Asexual reproduction involves gametes(iv) Asexual reproduction does not involve gametes A) I) and ii). B) I) and iii). C) Ii) and iv). D) I) and iv). Show Answer Correct Answer: D) I) and iv). 17. In the human male, where are sperm made? A) Testes. B) Ovaries. C) Fallopian tube. D) Placenta. Show Answer Correct Answer: A) Testes. 18. A disadvantage of sexual reproduction is that it is A) More time consuming than asexual reproduction. B) Creates less diversity than asexual reproduction. C) Uses less energy than asexual reproduction. D) None of the above. Show Answer Correct Answer: A) More time consuming than asexual reproduction. 19. Offspring that are produced by only one parent are A) Genetically diverse. B) Clones. C) Gametes. D) None of the above. Show Answer Correct Answer: B) Clones. 20. Sexual reproduction results in A) No variation. B) Large amounts of variation. C) All the above. D) None of the above. Show Answer Correct Answer: B) Large amounts of variation. 21. Which organ provides the nourishment to the developing foetus? A) Oviduct. B) Placenta. C) Uterus. D) Umbilical cord. Show Answer Correct Answer: B) Placenta. 22. How does plasmodium divide? A) By binary fission. B) By multiple fission. C) Both a & b. D) By budding. Show Answer Correct Answer: B) By multiple fission. 23. What is NOT a possible way that pollination can happen? A) Water. B) Insects. C) Wind. D) Sunlight. Show Answer Correct Answer: D) Sunlight. 24. What is the main role of Progesterone? A) Completes development of uterus wall, promotes glycogen storage. B) Stimulates follicle to burst and release the ovum. C) Stimulates rebuilding of the uterus wall. D) Stimulates one egg cell to develop (become follicle). Show Answer Correct Answer: A) Completes development of uterus wall, promotes glycogen storage. 25. A-Stock is the lower part of a plant having the rootR-In grafting stock is placed over the scion. 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: C) A is true but R is false. 26. A small copy of parent organism grows on parent body and breaks off as it gets larger A) MITOSIS. B) Budding. C) FISSION. D) REGENERATION. Show Answer Correct Answer: B) Budding. 27. Female reproductive hormone that is produced during pregnancy A) Testosterone. B) Progesterone. C) Growth hormone. D) Oestrogen. Show Answer Correct Answer: B) Progesterone. 28. Which structure allows nutrients to pass to the embryo and takes wastes away from the embryo? A) Placenta. B) Ovary. C) Testes. D) Fallopian tubes. Show Answer Correct Answer: A) Placenta. 29. -Rose is propogated through ..... A) Leaf. B) Stem. C) Root. D) None. Show Answer Correct Answer: B) Stem. 30. The number of chromosomes in parents and offsprings of a particular species remains constant due to A) Doubling of chromosomes after gamete formation. B) Halving of chromosomes during gamete formation. C) Halving of chromosomes after gamete formation. D) Doubling of chromosomes after zygote formation. Show Answer Correct Answer: B) Halving of chromosomes during gamete formation. 31. Which among the following diseases is not sexually transmitted? A) Hepatitis. B) Gonorrhoea. C) HIV-AIDS. D) Syphilis. Show Answer Correct Answer: A) Hepatitis. 32. Offspring formed by asexual method of reproduction have greater similarity among themselves because(i) asexual reproduction involves only one parent(ii) asexual reproduction does not involve gametes(iii) asexual reproduction occurs before sexual reproduction(iv) asexual reproduction occurs after sexual reproduction A) (i) and (ii). B) (i) and (iii). C) (ii) and (iv). D) (iii) and (iv). Show Answer Correct Answer: A) (i) and (ii). 33. The male reproductive parts of a flower, the stamens, are collectively known as A) Stigma. B) Gynoecium. C) Androcium. D) Sepals. Show Answer Correct Answer: C) Androcium. 34. Vegetative propagation refers to formation of new plants from: A) Stem, roots and flowers. B) Stem, roots and leaves. C) Stem, flowers and fruits. D) Stem, leaves and flowers. Show Answer Correct Answer: B) Stem, roots and leaves. 35. After fertilization the region that develops into fruit and seed A) Petals and sepals. B) Ovules and ovary. C) Ovary and ovules. D) Filament and anther. Show Answer Correct Answer: C) Ovary and ovules. 36. Example of an asexual mode of reproduction i A) Fission. B) Fragmentation. C) Budding. D) All. Show Answer Correct Answer: D) All. 37. If the environment changes for an Asexual offspring it will? A) Explode. B) Create another offspring. C) Fall in love. D) Die. Show Answer Correct Answer: D) Die. 38. Offspring formed by asexual method of reproduction have greater similarity among themselves because:(i) asexual reproduction involves only one parent (ii) asexual reproduction does not involve gametes (iii) asexual reproduction occurs before sexual reproduction (iv) asexual reproduction occurs after sexual reproduction A) (i) and (ii). B) (i) and (iii). C) (ii) and (iv). D) (iii) and (iv). Show Answer Correct Answer: A) (i) and (ii). 39. Does variation happens in Asexual Reproduction? A) Yes. B) 50-50. C) I am not sure at all. D) No. Show Answer Correct Answer: D) No. 40. Which among the following is a unicellular organism that does not reproduce by budding: A) Hydra. B) Amoeba. C) Yeast. D) Hydra and yeast. Show Answer Correct Answer: B) Amoeba. 41. The male gamete of maize plant has 10 chromosomes. What will be the number of chromosomes in the zygote? A) 10. B) Can not be determined. C) 20. D) 5. Show Answer Correct Answer: C) 20. 42. Which of the following statement is not correct with respect to human female? A) The process of menstruation is completed in 2-8 days. B) Menstruation continues for the life time. C) Menstruation starts at the age of puberty. D) Menstruation is repeated every month. Show Answer Correct Answer: B) Menstruation continues for the life time. 43. What are the male sex cells called? A) Eggs. B) Sperm. C) Testorone. D) Fallopian. Show Answer Correct Answer: B) Sperm. 44. A-Fusion of gametes gives rise to a single cell called zygteR-Zygote is a fertilised ovum 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. 45. What is the primary sex hormones of males? A) Prostate gland. B) Testosterone. C) Urine. D) Semen. Show Answer Correct Answer: B) Testosterone. 46. The plant that propagates by leaf buds is A) Aloevera. B) Rose. C) Bryophyllum. D) Potato. Show Answer Correct Answer: C) Bryophyllum. 47. A-All the sepals together are called corollaR-The function of the sepal is to protect the flower in bud stage 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: D) A is false but R is true. 48. Vasectomy is the permanent surgical method for females. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 49. Double fertilization is a phenomenon seen in A) Gymnosperms. B) Bryophytes. C) Angiosperms. D) Pteridophytes. Show Answer Correct Answer: C) Angiosperms. 50. In vegetative reproduction, the new individuals are genetically- A) Similar. B) Dissimilar. C) Abnormal. D) None of these. Show Answer Correct Answer: A) Similar. 51. The two hormones that maintain the lining of the uterus are: A) FSH and estrogen. B) LH and estrogen. C) Estrogen. D) Progesterone and estrogen. Show Answer Correct Answer: D) Progesterone and estrogen. 52. Which out of the following processes does not lead to the formation of clones A) Fertilization. B) Tissue Culture. C) Fragmentation. D) Fission. Show Answer Correct Answer: A) Fertilization. 53. If the egg in human female is not fertilized it lives for about ..... day/s A) 1. B) 8. C) 28. D) 18. Show Answer Correct Answer: A) 1. 54. The correct sequence of reproductive stages seen in flowering plants is ..... A) Zygote, gamete, embryo, seedling. B) Gamete, embryo, zygote, seedling. C) Gamete, zygote, embryo, seedling. D) Seedling, embryo, zygote, gametes. Show Answer Correct Answer: C) Gamete, zygote, embryo, seedling. 55. Which among the following does not reproduce by spore formation? A) Yeast. B) Rhizopus. C) Penicillium. D) Mucor fungus. Show Answer Correct Answer: A) Yeast. 56. During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys A) Loss of milk teeth. B) Weight gain. C) Cracking of voice. D) Increase in height. Show Answer Correct Answer: C) Cracking of voice. 57. The sperms are produced in A) Witness. B) Vas deferens. C) Prostate gland. D) Urethra. Show Answer Correct Answer: A) Witness. 58. What are the functions of ovaries of females? A) Formation of placenta. B) It produces the estrogen. C) It produces the testosterone. D) Both option 1 and option 2. Show Answer Correct Answer: B) It produces the estrogen. 59. Example of unisexual flower. A) Papaya. B) Rose. C) Mustard. D) Hibiscus. Show Answer Correct Answer: A) Papaya. 60. Reproduction is essential for living organisms in order to A) Fulfill their energy requirement. B) Maintain growth. C) Keep the individual organism alive. D) Continue the species generation after generation. Show Answer Correct Answer: D) Continue the species generation after generation. ← 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 3Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 4Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 5Class 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