This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 1 Reproduction In Organisms – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 9 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Read the following statements carefully a. Neelakuranji flowers once in 12 yeats b. In the majority of organisms, male and female gametes are motile c. During embryogenesis, the zygote undergoes mitosis and cell differentiation A) All are correct. B) Only (b) is incorrect. C) All are incorrect. D) (a) and (b) are correct. Show Answer Correct Answer: B) Only (b) is incorrect. 2. .Which type of parthenogenesis only females are produced? A) Arrhenotoky. B) Amphitoky. C) Thelytoky. D) Both (a) and (b). Show Answer Correct Answer: C) Thelytoky. 3. Development of a new individual from a single gamete without fusion with another gamete is called A) Parthenocarpy. B) Sporophytic budding. C) Parthenogenesis. D) Polyembryony. Show Answer Correct Answer: C) Parthenogenesis. 4. Fusion of gametes lead to the formation of ..... A) Mutation. B) Zygote. C) Chromosome. D) Cytoplasm. Show Answer Correct Answer: B) Zygote. 5. Individuals of a clone- A) Are genetically similar but morphologically different. B) Are morphologically similar but genetically different. C) Are morphologically and genetically similar. D) Are genetically and phenotypically different. Show Answer Correct Answer: C) Are morphologically and genetically similar. 6. Which animal shows both male and female reproductive organs? A) Cockroach. B) Hen. C) Earthworm. D) Dog. Show Answer Correct Answer: C) Earthworm. 7. Factors responsible for the rapid spread of bread mould on slices of bread are (i) large number of spores (ii) availability of moisture and nutrients in bread (iii) presence of tubular branched hyphae (iv) formation of round shaped sporangia A) (i) and (iii). B) (ii) and iv). C) (i) and (ii). D) (iii) and (iv). Show Answer Correct Answer: C) (i) and (ii). 8. A few statements describing certain features of reproduction are given belowi. Gametic fusion take place.ii. Transfer of genetic material take placeiii. Reduction division take placeiv. Progeny have some resemblance with parents.Select the options which are true for both asexual and sexual reproduction from the options given below A) I and iii. B) Ii and iii. C) Ii and iv. D) I and iii. Show Answer Correct Answer: C) Ii and iv. 9. The plant Strobilanthus kunthiana flowers once in ..... Yrs A) 12 yrs. B) 10 yrs. C) 8 yrs. D) 14 yrs. Show Answer Correct Answer: A) 12 yrs. 10. Read the following statements and select the incorrect one. A) Cucurbits and coconuts are monoecious plants. B) Papayas and date palms are dioecious plants. C) Leeches and tapeworms are bisexual animals. D) Sponges and coelenterates are unisexual animals. Show Answer Correct Answer: D) Sponges and coelenterates are unisexual animals. 11. The paramecium is a single-celled organism that reproduces asexually. The offspring of a paramecium usually contain A) Genetic material identical to that of the parent cell. B) More DNA than the parent cell. C) Only half of the genes of the parent cells. D) Fewer mutations than the parent cell. Show Answer Correct Answer: A) Genetic material identical to that of the parent cell. 12. Most wild mammals are A) Continuous breeder. B) Seasonal breeder. C) Continuous for half year, seasonal for next half year. D) None of these. Show Answer Correct Answer: B) Seasonal breeder. 13. Cyclical changes during reproductive phase in non-primates is called: A) Ovarian cycle. B) Oestrous cycle. C) Cyclical. D) Menstrual cycle. Show Answer Correct Answer: B) Oestrous cycle. 14. An example of parthenogenesis in the development of fruit is the one A) Without seeds after pollination. B) With viable seeds after pollination. C) With viable seeds without fertilization. D) With viable seeds after fertilization. Show Answer Correct Answer: C) With viable seeds without fertilization. 15. In which plants motile ciliated spores are produced during spore formation? A) Spirogyra. B) Dictyota. C) Chlamydomonas. D) Fucus. Show Answer Correct Answer: C) Chlamydomonas. 16. Lifespan of may fly is A) 1 day. B) 1 week. C) 2 weeks. D) 1 month. Show Answer Correct Answer: A) 1 day. 17. IF THE NUMBER OF CHROMOSOME IN POTATO LEAF IS 48 THEN WHAT WILL BE THE NUMBER OF CHROMOSOME IN ZYGOTE, GAMETE AND ENDOSPERM RESPECTIVELY? A) 72, 48, 24. B) 24, 48, 72. C) 24, 24, 72. D) 48, 24, 72. Show Answer Correct Answer: D) 48, 24, 72. 18. Which of the following regulates the reproductive processes and the associated behavioural expressions of organisms? A) Abiotic components. B) Interaction between hormones & environmental factors. C) Hormones. D) Environmental factors. Show Answer Correct Answer: B) Interaction between hormones & environmental factors. 19. The nodes called eyes in A) Beyophyllum. B) Ginger. C) Banana. D) Poatto. Show Answer Correct Answer: D) Poatto. 20. Which of the following groups is formed only of the hermaphrodite organisms? A) Earthworm, leech, sponge, roundworm. B) Earthworm, tapeworm, housefly, frog. C) Earthworm, tapeworm, leech, sponge. D) Earthworm, tapeworm, sea horse, housefly. Show Answer Correct Answer: C) Earthworm, tapeworm, leech, sponge. 21. Two ..... make up a gene.answer choices A) Chromosomes. B) Alleles. C) Eggs. D) Sperm. Show Answer Correct Answer: B) Alleles. 22. Regeneration was studied in Hydra by Abraham Trembley A) 1640. B) 1740. C) 1840. D) 1940. Show Answer Correct Answer: B) 1740. 23. Vegetative propagation occurs in: A) Plants. B) Animals. C) Bacteria. D) Fungi. Show Answer Correct Answer: A) Plants. 24. Fertilisation usually occurs in: A) Ovary. B) Fallopian tube. C) Vagina. D) Uterus. Show Answer Correct Answer: B) Fallopian tube. 25. Ovary in the flower develops into ..... after fertilization. A) Seed. B) Pistil. C) Embryo. D) Fruit. Show Answer Correct Answer: D) Fruit. 26. The vegetative propagule of Banana is A) Bulbil. B) Offset. C) Rhizome. D) Bulb. Show Answer Correct Answer: C) Rhizome. 27. Which of the following generate variation A) Aseuxl reproduction. B) Parthenogenesis. C) Sexual reproduction. D) Polyembryony. Show Answer Correct Answer: C) Sexual reproduction. 28. Offspring formed by asexual reproduction are: A) Genetically different. B) Genetically similar. C) Genetically mixed. D) None of these. Show Answer Correct Answer: B) Genetically similar. 29. The Appalachian shoestring fern reproduces asexually. What can be concluded about the offspring of this fern? The genetic material of the offspring of the Appalachian shoestring fern ..... A) Is different for each individual offspring. B) Varies greatly from one generation to the next. C) Could never be predicted with any reliability. D) Is identical to that of the parent plant. Show Answer Correct Answer: D) Is identical to that of the parent plant. 30. Name the female part of the flower? A) Pistil. B) Carpel. C) Stamen. D) Both pistil and carpel. Show Answer Correct Answer: D) Both pistil and carpel. 31. A cell that has a half set of chromosomes is called a ..... cell. A) Hetrolpoid. B) Triploid. C) Diploid. D) Haploid. Show Answer Correct Answer: D) Haploid. 32. Which of the following describes asexual reproduction? A) Two parents. B) Diverse offspring. C) Budding. D) None of the above. Show Answer Correct Answer: C) Budding. 33. What is the main characteristic of offspring produced through asexual reproduction? A) Identical to parent. B) Different from both parents. C) Genetic diversity. D) Mutation prone. Show Answer Correct Answer: A) Identical to parent. 34. Offset is a vegetative propagule in: A) Gingert. B) Water hyacinth. C) Potato. D) Bryohpyllum. Show Answer Correct Answer: B) Water hyacinth. 35. Which one of the following processes results in the formation of clone of bacteria? A) Fragmentation. B) Budding. C) Regeneration. D) Binary fission. Show Answer Correct Answer: D) Binary fission. 36. Syngamy can occur outside the body of the organisms A) Ferns. B) Mosses. C) Algae. D) Fungi. Show Answer Correct Answer: C) Algae. 37. Apolysis helps in transferring A) Embryo from primary to secondary host. B) Embryo from parent to the offspring. C) Embryo from the seconday to the primary host. D) None of these. Show Answer Correct Answer: A) Embryo from primary to secondary host. 38. In most of the aquatic algae, syngamy occurs in the external medium. In this condition A) Organism shows great synchrony between the sexes. B) The small number of gametes and produced. C) The female gamete is not released into the water. D) Male gamete should develop before the female gamete. Show Answer Correct Answer: A) Organism shows great synchrony between the sexes. 39. Gemmule formation in sponges is helpful in A) Sexual reproduction. B) Only dissemination. C) Asexual reproduction. D) Parthenogenesis. Show Answer Correct Answer: C) Asexual reproduction. 40. Which of the following shows internal fertilisation? A) Starfish. B) Frog. C) Human. D) Fish. Show Answer Correct Answer: C) Human. 41. Which of the following animals show menstrual cycle? A) Gorillas and chimpanzees. B) Monkeys and humans. C) Orangutans and monkeys. D) All of these. Show Answer Correct Answer: D) All of these. 42. A child looks more like one parent than the other because a child only inherits chromosomes from one parent. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 43. If the number of chromosomes in meiocyte of Apple is 34, then the number of chromosomes in its gamete will be A) 8. B) 17. C) 34. D) 68. Show Answer Correct Answer: B) 17. 44. Roots are used in vegetative propagation ofanswer choices A) Chrysanthemum. B) Sweet potato. C) Ginger. D) Potato. Show Answer Correct Answer: B) Sweet potato. 45. Read the following statements about asexual reproduction and select the correct ones. (i) It involves a single parent. (ii) It is slower than sexual reproduction. (iii) It produces progeny that are genetically identical with the parent but not with one another. (iv) The progeny of asexual reproduction can be termed as clones. A) (i) and (ii). B) (i) and (iv). C) (ii) and (iii). D) (i), (iii) and (iv). Show Answer Correct Answer: C) (ii) and (iii). 46. Which of the following leads to variation? A) SEXUAL REPRODUCTION. B) BINARY FISSION. C) SPORULATION. D) FRAGMENTATION. Show Answer Correct Answer: A) SEXUAL REPRODUCTION. 47. Dogs contain 78 chromosomes in their meiocytes. What will be the chromosome number in their gametes? A) 19.5. B) 39. C) 9. D) 78. Show Answer Correct Answer: B) 39. 48. What is the function of the ovary in a flower? A) To transfer pollen from one flower to another. B) To attract pollinators. C) To contain the germ-cells. D) To produce pollen grains. Show Answer Correct Answer: C) To contain the germ-cells. 49. What is the term used for the ability of fully differentiated organisms to give rise to new individuals from their body parts? A) Spore Formation. B) Fission. C) Regeneration. D) Budding. Show Answer Correct Answer: C) Regeneration. 50. Anaerobes respire to produce A) Carbon dioxide. B) Oxygen. C) Lactic Acid. D) Alcohol. Show Answer Correct Answer: D) Alcohol. 51. A few plants exhibit unusual flowering phenomenon, which of them flower only once in their life time generally after 50-100 years, produce large number of fruits: A) Cymbopogon reptoeus. B) Bamboo. C) Strobilanthus kunthiana. D) Calistemon linearis. Show Answer Correct Answer: B) Bamboo. 52. Non-flagellate spores are called conidia. In which organism are they seen? A) Hydra. B) Amoeba. C) Chlamydomonas. D) Penicillium. Show Answer Correct Answer: D) Penicillium. 53. What is the pattern of fission observed in many bacteria and protozoa? A) Budding. B) Splitting into two equal halves. C) Formation of whip-like structure. D) Multiple fission. Show Answer Correct Answer: B) Splitting into two equal halves. 54. The term dioecious is used to describe A) Unisexual condition. B) Bisexual condition. C) Hermaphrodites. D) None. Show Answer Correct Answer: A) Unisexual condition. 55. Which of the following cannot serve as a vegetative propagule? A) A piece of potato tuber with eyes. B) A middle piece of sugarcane internode. C) Marginal fees of Bryophyllum leaf. D) A piece of ginger rhizome. Show Answer Correct Answer: B) A middle piece of sugarcane internode. 56. Match each term with the correct description below.takes place in body cells A) Mitosis. B) Zygote. C) Fertilization. D) Meiosis. Show Answer Correct Answer: A) Mitosis. 57. During binary fission the nucleus of amoeba is duplicated. This process is called A) Meiosis. B) Karyokinesis. C) Prophase. D) Cytokinesis. Show Answer Correct Answer: B) Karyokinesis. 58. What is the function of petals and sepals in a flower? A) To produce pollen grains. B) To contain the germ-cells. C) To transfer pollen from one flower to another. D) To attract pollinators and protect the reproductive parts. Show Answer Correct Answer: D) To attract pollinators and protect the reproductive parts. 59. What are some of the facts about asexual reproduction? A) Takes only one mate to reproduce and takes a longer time to reproduce. B) Takes a shorter amount of time to reproduce and it takes two mates to reproduce. C) Reproduces diverse offspring and takes a longer time to reproduce. D) Takes only one mate to reproduce and takes a shorter time to reproduce. Show Answer Correct Answer: D) Takes only one mate to reproduce and takes a shorter time to reproduce. 60. Regeneration isanswer choices A) When a body part regrows and may form a new organism. B) When a body part regrows and may cause a mutation. C) When a body part regrows and may form more sex cells. D) When a body part regrows and may cause genetic issues. Show Answer Correct Answer: A) When a body part regrows and may form a new organism. ← 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 7Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books