This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 1 Reproduction In Organisms – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which method of reproduction is used in plants like sugarcane, roses, or grapes for agricultural purposes? A) Fission. B) Spore Formation. C) Budding. D) Vegetative Propagation. Show Answer Correct Answer: D) Vegetative Propagation. 2. Roots take up the oxygen from ..... A) Air in Atmosphere. B) Air in Soil. C) Dissolved in water. D) None of the above. Show Answer Correct Answer: B) Air in Soil. 3. What is cloning? A) A form of asexual reproduction where an organism is produced that is genetically identical to the parent. B) A method of sexual reproduction involving two parents. C) A technique used to create genetically modified organisms. D) A process of natural selection leading to evolution. Show Answer Correct Answer: A) A form of asexual reproduction where an organism is produced that is genetically identical to the parent. 4. VEGETATIVE REPRODUCTION IN FLOWERING PLANTS IS ALSO CALLED AS ASEXUAL REPRODUCTION BECAUSE A) SINGLE PARENT IS INVOLVED. B) OFFSPRINGS PRODUCED ARE CLONES. C) NEW INDIVIDUALS ARE MORPHOLOGICALLY AND GENETICALLY SIMILAR. D) ALL OF THE ABOVE. Show Answer Correct Answer: D) ALL OF THE ABOVE. 5. In which of the following fertilized eggs are covered by hard calcareous shell? A) Frog. B) Reptiles and birds. C) Mammals. D) Frog and Toad. Show Answer Correct Answer: B) Reptiles and birds. 6. Prokaryotes (one-celled organisms without a nucleus) reproduce asexually through ..... A) Vegetative propagation. B) Budding. C) Spore formation. D) Binary fission. Show Answer Correct Answer: D) Binary fission. 7. A cell that has two of every kind of chromosome is ..... A) Diploid. B) Haploid. C) An egg. D) A sperm. Show Answer Correct Answer: A) Diploid. 8. What is the purpose of the ovule in a flower? A) To attract pollinators. B) To produce pollen grains. C) To transfer pollen from one flower to another. D) To contain the germ-cells. Show Answer Correct Answer: D) To contain the germ-cells. 9. The cell that is formed when fertilization occurs is called a ..... A) Mutation. B) Chromosome. C) Zygote. D) Cytoplasm. Show Answer Correct Answer: C) Zygote. 10. A type of asexual reproduction performed in a laboratory that produces identical individuals from a cell or from a cluster of cells taken from a multicellular organism. A) Vegetative reproduction. B) Regeneration. C) Cloning. D) Budding. E) Fission. Show Answer Correct Answer: C) Cloning. 11. Roots are used in vegetative propagation of A) Ginger. B) Chrysanthemum. C) Potato. D) Sweet potato. Show Answer Correct Answer: D) Sweet potato. 12. What is the process called when gametes exchange genetic material in sexual reproduction? A) Meiosis. B) Mitosis. C) Fertilization. D) Crossing over. Show Answer Correct Answer: D) Crossing over. 13. Which animals have developed the capacity for regeneration? A) Hydra, Starfish. B) Earthworm. C) Plasmodium. D) Spongilla. Show Answer Correct Answer: A) Hydra, Starfish. 14. Many plants reproduce asexual. Which of the following is not a form of plant asexual reproduction? A) Underground roots tubers or bulbs that can grow into new plants. B) Binary Fission. C) Plant runners like the spider plant, and many berries. D) Budding. Show Answer Correct Answer: B) Binary Fission. 15. ..... is the period when an organism grows old and loses the ability to reproduce. A) Juvenile Phase. B) Senescent Phase. C) Reproductive Phase. D) Vegetative Phase. Show Answer Correct Answer: B) Senescent Phase. 16. Annelid and sea urchin eggs are examples of which type of parthenogenesis A) Incomplete. B) Artificial. C) Complete. D) Paedogenetic. Show Answer Correct Answer: B) Artificial. 17. Which of these plants do not show clear cut vegetative, reproductive and senescent phase? A) Annual plant. B) Biennial plant. C) Perennial plant. D) All of these. Show Answer Correct Answer: C) Perennial plant. 18. .Multiple fission occurring in the oocyte of plasmodium is called ..... A) Schizogony. B) Sporogony. C) Syngamy. D) Merogamy. Show Answer Correct Answer: B) Sporogony. 19. Match each term with the correct description below.sex cells from male reproductive organ A) Eggs. B) Zygote. C) Fertilization. D) Sperm. Show Answer Correct Answer: D) Sperm. 20. The plant that flowers once in 12 years is: A) Stroanthus kunthiana. B) Strobilthus kuthiana. C) Strobilanthus kunthiana. D) Striobilanthus Kuthiana. Show Answer Correct Answer: C) Strobilanthus kunthiana. 21. Here are several combinations of asexual reproductive structures and examples. Find the incorrect match?:i)Zoospore-Chlamydomonas ii) Gemmule-Sponge iii) Conidia-Hydra iv) Bud-yeast A) I). B) Ii). C) Iii). D) Iv). Show Answer Correct Answer: C) Iii). 22. Number of chromosomes in meiocyte of human being is A) 22. B) 46. C) 48. D) 23. Show Answer Correct Answer: B) 46. 23. What types of chromosomes are always present in gametes? A) Triploid. B) Tetraploid. C) Diploid. D) Haploid. Show Answer Correct Answer: D) Haploid. 24. In asexual reproduction, offspring are produced ..... A) From 8 chromosomes. B) From two parents. C) From one parent. D) From 46 chromosomes. Show Answer Correct Answer: C) From one parent. 25. If an offspring is produced through sexual reproduction, the offspring's genetic material is always ..... A) Identical to the genetic material of its siblings. B) A blend of the genetic material of its parents. C) Completely unrelated to that of its parents. D) A copy of the genetic material of one parent. Show Answer Correct Answer: B) A blend of the genetic material of its parents. 26. Which of the following is NOT a part of asexual reproduction? A) Meiosis. B) Vegetative reproduction. C) Animal regeneration. D) Budding. Show Answer Correct Answer: A) Meiosis. 27. The number of chromosomes in the shoot tip cells of a maize plant is 20.The number of chromosomes in the microspore mother cells of the same plant shall be: A) 20. B) 15. C) 10. D) 40. Show Answer Correct Answer: A) 20. 28. Vegetative propagule of Ginger is called: A) Bulb. B) Offset. C) Rhizome. D) None of the above. Show Answer Correct Answer: C) Rhizome. 29. Which of the following is a primate? A) Horse. B) Rat. C) Chimpanzee. D) Mole. Show Answer Correct Answer: C) Chimpanzee. 30. Choose the right sequence of events: A) Gametogenesis embryogenesis gamete transfer syngamy. B) Gametogenesis gamete transfer syngamy embryogenesis. C) Syngamy Gametogenesis gamete transfer embryogenesis. D) Embryogenesis gametogenesis gamete transfer syngamy. Show Answer Correct Answer: B) Gametogenesis gamete transfer syngamy embryogenesis. 31. In humanbeings gametes are A) Homogametes. B) Iso gametes. C) Hetero gametes. D) None. Show Answer Correct Answer: C) Hetero gametes. 32. What is the process called when hydra reproduce by creating an identical offspring? A) Binary fission. B) Fertilization. C) Budding. D) Meiosis. Show Answer Correct Answer: C) Budding. 33. Vegetative propagation in Pistia occurs by A) Sucker. B) Stolon. C) Runner. D) Offset. Show Answer Correct Answer: D) Offset. 34. Internal fertilization occurs in- A) Mammals. B) Reptiles. C) Bryophytes, pteridophytes, gymnosperms, angiosperms. D) All. Show Answer Correct Answer: D) All. 35. Cell division is synonymous with reproduction in A) Plants and fungi. B) Animal and plant. C) Protista and monera. D) Monera and algae. Show Answer Correct Answer: C) Protista and monera. 36. The eye of potato tuber are A) Axillary buds. B) Flower buds. C) Shoot buds. D) Root buds. Show Answer Correct Answer: A) Axillary buds. 37. All organisms have to reach a certain stage of growth and maturity in their life, before they can reproduce sexually. That period of growth A) Is called the juvenile phase, not vegetative phase. B) Is called the vegetative phase, not the juvenile phase. C) While ends then marks the beginning of the reproductive phase. D) Is variable in the same organisms. Show Answer Correct Answer: C) While ends then marks the beginning of the reproductive phase. 38. Which among the following organisms can be reproduced by parthenogenesis? A) Ulothrix. B) Leech. C) Earthworm. D) Male honeybee. Show Answer Correct Answer: D) Male honeybee. 39. A method used by plant growers to clone plants with desirable traits. A) Fission. B) Tissue culture. C) Vegetative reproduction. D) Budding. E) Regeneration. Show Answer Correct Answer: B) Tissue culture. 40. Special gamete mother cells in diploid organisms are also known as A) Mitocytes. B) Egg. C) Pollen. D) Meiocytes. Show Answer Correct Answer: D) Meiocytes. 41. In which phase of meiosis II does the nucleolus disappear? A) Telophase II. B) Metaphase II. C) Prophase II. D) Anaphase II. Show Answer Correct Answer: C) Prophase II. 42. Can plants undergo sexual reproduction without physical intercourse? A) Only in rare cases. B) Yes. C) No. D) Not applicable to plants. Show Answer Correct Answer: B) Yes. 43. Which type of reproduction do most animals rely on? A) None of the above. B) Asexual reproduction. C) Sexual reproduction. D) Both sexual and asexual reproduction. Show Answer Correct Answer: C) Sexual reproduction. 44. Banana fruit has non funcional or no seeds due to A) Parthenocarpy. B) Apomixes. C) Parhenogenesis. D) All the above. Show Answer Correct Answer: A) Parthenocarpy. 45. In non primate mammals there is ..... cycle A) Menstrual. B) Oestrous. C) Both. D) None. Show Answer Correct Answer: B) Oestrous. 46. Reproduction involving a single organism where genetic copies of itself are made. A) Asexual Reproduction. B) Storkism. C) Pollination. D) Sexual Reproduction. Show Answer Correct Answer: A) Asexual Reproduction. 47. Process of fusion of haploid cells is A) Cell cycle. B) Syngamy. C) Meiosis. D) Mitosis. Show Answer Correct Answer: B) Syngamy. 48. Example of hologamy A) Trichonympha. B) Monocystis. C) Paramecium. D) None of these. Show Answer Correct Answer: A) Trichonympha. 49. In amorphophallus and colocasia vegetative reproduction occur by which plant organ? A) Tuber stem. B) Bubil. C) Offsets. D) Corm. Show Answer Correct Answer: D) Corm. 50. Which among the following is a hermaphrodite organism? A) Mule. B) Cockroach. C) Earthworm. D) Turkey. Show Answer Correct Answer: C) Earthworm. 51. Explain two advantages of sexual reproduction over asexual reproduction. A) Faster reproduction and more offspring produced. B) Less energy required and easier to find a mate. C) No need for specialized reproductive organs and less chance of genetic diseases. D) Genetic diversity and elimination of harmful mutations through recombination. Show Answer Correct Answer: D) Genetic diversity and elimination of harmful mutations through recombination. 52. The number of chromosomes in meiocyte (2n) in apple is A) 20. B) 34. C) 380. D) 24. Show Answer Correct Answer: B) 34. 53. Select the option which shows viviparous animals only A) Lizard and turtle. B) Platypus and crocodile. C) Cow and crocodile. D) Whale and mouse. Show Answer Correct Answer: D) Whale and mouse. 54. Read the following statements carefully and identify the correct statement: A) Oestrous cycle occurs in primates like cow, sheep, dog only. B) Oestrous cycle occurs in all primates. C) Menstrual cycle occurs in primates like monkey and apes and humans. D) Menstrual cycle occurs in all non primates. Show Answer Correct Answer: C) Menstrual cycle occurs in primates like monkey and apes and humans. 55. Select the option which arranges the given organisms in ascending order of their life span. A) Fruit fly < Crocodile < Parrot < Banyan tree. B) Parrot < Crow < Butterfly < Banyan tree. C) Butterfly < Crow < Parrot < Crocodile. D) Parrot < Tortoise < Dog < Crow. Show Answer Correct Answer: A) Fruit fly < Crocodile < Parrot < Banyan tree. 56. If a sex cell has 10 chromosomes, how many chromosomes will there be after fertilization? A) 20. B) 5. C) 10. D) 15. Show Answer Correct Answer: A) 20. 57. Lifespan of crocodiles is A) 60 yrs. B) 15 yrs. C) 45 yrs. D) 30 yrs. Show Answer Correct Answer: A) 60 yrs. 58. Anaerobes respire A) Using Oxygen. B) Without Using Oxygen. C) All the above. D) None of the above. Show Answer Correct Answer: B) Without Using Oxygen. 59. Actinosphaerium exhibits A) Autogamy. B) Exogamy. C) Hologamy. D) Isogamy. Show Answer Correct Answer: A) Autogamy. 60. Can sexual reproduction occur without physical intercourse? A) Yes, in all organisms. B) No, never. C) Only in bacteria. D) Yes, in plants. Show Answer Correct Answer: D) Yes, in plants. ← 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 5Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 6Class 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