This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 1 Reproduction In Organisms – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A piece of potato tuber will form a new plant if it has ..... A) Branches. B) Stored food. C) Eyes. D) Root. Show Answer Correct Answer: C) Eyes. 2. Which reproduction method do most animals rely on? A) Sexual reproduction. B) Asexual reproduction. C) Binary fission. D) Mitosis. Show Answer Correct Answer: A) Sexual reproduction. 3. Normally male gametes are A) Nutritive. B) Stationary. C) Motile. D) Ordinary. Show Answer Correct Answer: C) Motile. 4. When two parents (opposite sex) participate in the reproductive process and also involve fusion of male and female gametes, it is called ..... A) Asexual Reproduction. B) Sexual Reproduction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sexual Reproduction. 5. Vital link that ensure continuity of species between organisms of one generation and the next A) Endosperm. B) Pistil. C) Pollen tube. D) Zygote. Show Answer Correct Answer: D) Zygote. 6. . WHAT IS LIFE SPAN?answer choices A) PERIOD FROM BIRTH TO DEATH. B) PERIOD FROM PREGNANCY TO BIRTH. C) PERIOD FROM CONCEPTION TO PREGNANCY. D) NONE OF THE ABOVE. Show Answer Correct Answer: A) PERIOD FROM BIRTH TO DEATH. 7. Which of the following determines if an organism is eukaryotic? A) Number of cells. B) Producing their own food. C) Having a nucleus. D) Having identical offspring. Show Answer Correct Answer: C) Having a nucleus. 8. Binary fission is division of one cell into multiple daughter cells A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. . Pick out the organism whose fertilization occurs internally. A) Reptiles. B) Amphibians. C) Sponges. D) Pisces. Show Answer Correct Answer: A) Reptiles. 10. All susceptible to disease A) Advantage of asexual reproduction. B) Disadvantage of asexual reproduction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Disadvantage of asexual reproduction. 11. Discuss the role of gametes in sexual reproduction. A) Gametes are only involved in asexual reproduction. B) Gametes play no role in sexual reproduction. C) The role of gametes in sexual reproduction is to fuse during fertilization, combining the genetic material from two individuals to produce a new organism with a unique combination of genes. D) Gametes are only found in plants, not animals. Show Answer Correct Answer: C) The role of gametes in sexual reproduction is to fuse during fertilization, combining the genetic material from two individuals to produce a new organism with a unique combination of genes. 12. Single-celled animals are said to be immortal because A) They grow indefinitely in size. B) They continue to live as their daughter cells. C) They can tolerate any degree of change in temperature. D) They can reproduce throughout their life span. Show Answer Correct Answer: B) They continue to live as their daughter cells. 13. Which organisms can reproduce by budding? A) Fungi. B) Hydra. C) Grasshoppers. D) Protists. Show Answer Correct Answer: B) Hydra. 14. Fusion of unrelated gametes is called ..... A) Dichogamy. B) Fertilization. C) Autogamy. D) None of the above. Show Answer Correct Answer: B) Fertilization. 15. Which of the following propagates through leaf tips? A) Marchantia. B) Walking fern. C) Sprout leaf plant. D) Moss. Show Answer Correct Answer: B) Walking fern. 16. What is parthenogenesis? A) Fertilisation without gametes. B) Development from unfertilised egg. C) Fusion of gametes. D) Fusion of buds. Show Answer Correct Answer: B) Development from unfertilised egg. 17. Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have ..... chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with ..... chromosomes.answer A) 01, 10. B) 46, 23. C) 23, 45. D) 23, 46. Show Answer Correct Answer: D) 23, 46. 18. Each cell in your body contains ..... pairs of chromosomes. A) 24. B) 21. C) 23. D) 22. Show Answer Correct Answer: C) 23. 19. Consider the following statements and choose the correct optioni. The genetic constitution of a plant is unaffected in vegetative propagation.ii. Rhizome in ginger serves as an organ of reproduction.iii. Totipotency of cells enables us to micropropagate plants. A) Statements i and ii alone are true. B) Statements ii and iii alone are true. C) Statement ii alone is true. D) Statement iii alone is true. E) All the three statements are true. Show Answer Correct Answer: E) All the three statements are true. 20. What are the different types of asexual reproduction? A) Self-pollination. B) Binary fission, budding, fragmentation, and spore formation. C) Cloning. D) Grafting. Show Answer Correct Answer: B) Binary fission, budding, fragmentation, and spore formation. 21. Which statement reflects a way in which asexual reproduction is beneficial? Select all that apply. A) It results in genetic variation. B) It requires a lot of time and energy. C) Organisms can reproduce without a mate.AND It is a much quicker process. D) NONE OF THE ABOVE. Show Answer Correct Answer: C) Organisms can reproduce without a mate.AND It is a much quicker process. 22. Repeated fission occurs in A) Plasmodium. B) Opalina. C) Vorticella. D) Paramecium. Show Answer Correct Answer: C) Vorticella. 23. An invading weed also called 'terror of bengal' reproduces vegetatively through A) Offsets. B) Bulbils. C) Stolons. D) Bulbs. Show Answer Correct Answer: A) Offsets. 24. Mark the odd one (w.r.t. zygote) A) Develops a thick wall in all organisms. B) The vital link between the two generations. C) Divides by meiosis in the haplontic life cycle. D) Formed in the water or inside the body of the organism. Show Answer Correct Answer: A) Develops a thick wall in all organisms. 25. Transverse binary fission is noticed in ..... A) Planaria. B) Amoeba. C) Vorticella. D) Ceratium. Show Answer Correct Answer: A) Planaria. 26. Gametes of Human beings are: A) Homogametes. B) Isogametes. C) Heterogametes. D) None of these. Show Answer Correct Answer: C) Heterogametes. 27. Count the total number of organisms which are monoecious. Cucurbits, Coconut, Papaya, Date palm, Chara, Marchantia A) 1. B) 3. C) 2. D) 4. Show Answer Correct Answer: B) 3. 28. Natural parthenogenesis occurs in A) Frog to form female. B) Honeybee to produce drones. C) Vegetarian eggs. D) Cockroach. Show Answer Correct Answer: B) Honeybee to produce drones. 29. The asexual reproductive structures in Bryophyllum are A) Leaf buds. B) Tubers. C) Bulbils. D) Rhizomes. Show Answer Correct Answer: A) Leaf buds. 30. Find out correct order of vegetative propagules of plants like Potato, Ginger, Agave, Bryophyllum and Water Hyacinth A) Offset, bulbil, leaf bud, rhizome and eyes. B) Rhizome, bulbil, leaf bud, eyes and offset. C) Eyes, rhizome, bulbil, leaf bud and offset. D) Leaf bud, bulbil, offset, rhizome and eyes. Show Answer Correct Answer: C) Eyes, rhizome, bulbil, leaf bud and offset. 31. Neelkuranji flowers once in every A) 10 years. B) 14 years. C) 12 years. D) 3 years. Show Answer Correct Answer: C) 12 years. 32. Which of the following is not vegetative propagule? A) Rhizome and sucker. B) Tuber and offset. C) Bulbil (e.g. in Agave), leaf buds, bulb. D) Antherozoid. Show Answer Correct Answer: D) Antherozoid. 33. Sexual reproduction is A) Fast and simple process. B) Slow and simple process. C) Fast and complex process. D) Slow and complex process. Show Answer Correct Answer: D) Slow and complex process. 34. Vegetative propagules of Agave is A) Tuber. B) Runner. C) Rhizome. D) Bulbil. Show Answer Correct Answer: D) Bulbil. 35. Assertion:Zoospores are most common asexual reproductive structures in algae Reason:Algae and fungi require water for fertilization always. A) If both Assertion & Reason are true and the reason is the correct explanation of the assertion. B) If both Assertion & Reason are true but the reason is not the correct explanation of the assertion. C) If Assertion is a true statement but Reason is false. D) If both Assertion and Reason are false statements. Show Answer Correct Answer: A) If both Assertion & Reason are true and the reason is the correct explanation of the assertion. 36. What type of fertilization is seen in frogs A) Internal. B) External. C) Both. D) None of these. Show Answer Correct Answer: B) External. 37. In biological world each organism has evolved its own mechanism of reproduction, which depends upon? A) Habitat. B) Internal physiology. C) Size of organism. D) Both (a) and (b). Show Answer Correct Answer: D) Both (a) and (b). 38. Find the correct statement about Nucule and Globule A) Nucule is also called Antheridium and Globule called Oogoniumin Chara sp. B) Nucule lies below Globule in Chara sp. C) Nucule is also called Oogonium and Globule called Antheridium in Chara sp. D) In Chara sp., no such structures are found. Show Answer Correct Answer: C) Nucule is also called Oogonium and Globule called Antheridium in Chara sp. 39. It is a type of asexual reproduction for sponges were it breaks purposely to have more clones. A) Fragmentation. B) Budding. C) Gemmules. D) Fission. Show Answer Correct Answer: C) Gemmules. 40. Which of the following situations correctly describe the similarity between an angiosperm egg and a human egg.i. Eggs of both are formed once in a lifetime.ii. Both are stationary.iii. Both are mobile.iv. Syngamy in both results in the formation of zygote.Choose the correct answer from the following options A) Ii and iv. B) Iv only. C) Iii and iv. D) I and iv. Show Answer Correct Answer: C) Iii and iv. 41. What is the name of the small animal that can reproduce by budding? A) Grasshopper. B) Cactus. C) Hydra. D) Spider plant. Show Answer Correct Answer: C) Hydra. 42. Bryophyllum daigremontianum reproduces byanswer choices A) Vegetative propagation. B) Budding. C) Fragmentation. D) Fission. Show Answer Correct Answer: A) Vegetative propagation. 43. All the following are examples of asexual reproduction except ..... A) A potato eye developing a bud. B) Budding in yeast. C) Binary fission in protists. D) Pollination of a flower. Show Answer Correct Answer: D) Pollination of a flower. 44. The endosperm of an angiosperms is A) Triploid. B) Diploid. C) Haploid. D) Tetraploid. Show Answer Correct Answer: A) Triploid. 45. What will be covered in the next video following this tutorial? A) Binary fission. B) Meiosis. C) Mitosis. D) Fertilization. Show Answer Correct Answer: B) Meiosis. 46. Exchange of gases for respiration in leaves happen through the ..... A) Stomata. B) Root hair. C) All the above. D) None of the above. Show Answer Correct Answer: A) Stomata. 47. Grafting of tissue or organ between individuals of different species is called A) Autograft. B) Isograft. C) Xenograft. D) Allograft. Show Answer Correct Answer: C) Xenograft. 48. Embryogenesis includes: A) Mitosis and meiosis. B) Cell division and cell differentiation. C) All of the above. D) None of the above. Show Answer Correct Answer: B) Cell division and cell differentiation. 49. The number of chromosomes in the gamete of a rice plant is 12. What will be the number of chromosomes in the meiocyte of the same plant? A) 3. B) 6. C) 12. D) 24. Show Answer Correct Answer: D) 24. 50. Paddy is an example of ..... plants. A) Perennial. B) Annual. C) Biennial. D) Triennial. Show Answer Correct Answer: B) Annual. 51. After meiosis, how many chromosomes does each cell have compared to the original cell? A) Same number. B) Half as many. C) Twice as many. D) Three times as many. Show Answer Correct Answer: B) Half as many. 52. What is an example of hermaphrodite A) Snake. B) Human. C) Earthworm. D) Cockroach. Show Answer Correct Answer: C) Earthworm. 53. Conidia are asexual reproductive structure in A) Spirogyra. B) Volvox. C) Penicillium. D) Chlamydomonas. Show Answer Correct Answer: C) Penicillium. 54. Where does an offspring get its DNA in asexual reproduction?answer choices A) From both parents. B) From only one parent. C) From neither parent. D) None of the above. Show Answer Correct Answer: B) From only one parent. 55. A flower which bears only male flowers is called: A) Stiminate. B) Pistillate. C) Monoecious. D) None of the above. Show Answer Correct Answer: A) Stiminate. 56. Which one is monoecious A) Papaya. B) Date palm. C) Cucurbits. D) None of the above. Show Answer Correct Answer: C) Cucurbits. 57. Which plant performs vegetative reproduction with the help of floral buds? A) Agave. B) Asparagus. C) Bryophyllum. D) Ginger. Show Answer Correct Answer: A) Agave. 58. Example for homogametes A) Human. B) Angiosperms. C) Cladophora. D) Fucus. Show Answer Correct Answer: C) Cladophora. 59. Why can't multi-cellular organisms simply divide cell-by-cell for reproduction? A) They are a random collection of cells. B) They have specialised cells organised into tissues and organs. C) They lack the ability to reproduce. D) They have complex ways of reproduction. Show Answer Correct Answer: B) They have specialised cells organised into tissues and organs. 60. How many eggs will be formed from an ovary of a woman, in absence implantation of an embryo? A) 24. B) 6. C) 12. D) 48. Show Answer Correct Answer: B) 6. ← PreviousNext →Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Biology Chapter 1 Reproduction In Organisms Quiz 1Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 2Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 3Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 4Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 6Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 7Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 8Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books