This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 1 Reproduction In Organisms – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which plant reproduces vegetatively by roots? A) Oxalis. B) Bryophyllum. C) Onion. D) Dahlia. Show Answer Correct Answer: D) Dahlia. 2. A cell that has a full set of chromosomes is called a ..... cell. A) Haploid. B) Diploid. C) Triploid. D) Hetrolpoid. Show Answer Correct Answer: B) Diploid. 3. Human gametes differ from all other body cells in being A) Haploid. B) Diploid. C) Motile. D) Without cell wall. Show Answer Correct Answer: A) Haploid. 4. Thallus refers to A) Gametes. B) Meiocytes. C) Male and female reproductive organs. D) Plant body. Show Answer Correct Answer: D) Plant body. 5. A five-armed sea star is cut into five equal pieces. How many sea stars will regenerate? A) 3. B) 4. C) 5. D) 6. Show Answer Correct Answer: C) 5. 6. .Identify the incorrect statement regarding parthenogenesis. A) Development of sperm without fertilization. B) It was first discovered by Charles Bonnet. C) Honey bees exhibit incomplete parthenogenesis. D) Amphitoky is a type of natural parthenogenesis. Show Answer Correct Answer: A) Development of sperm without fertilization. 7. An example of selective breeding is A) A dog breeder mating 2 dogs to make more dogs. B) A farmer grows bees to pollinate the plants on his farm. C) A person pollinates 2 white rose plants to only create white roses. D) None of the above. Show Answer Correct Answer: C) A person pollinates 2 white rose plants to only create white roses. 8. In haplontic organisms, zygote undergoes ..... to maintain same number of chromososmes between generations. A) Meiosis. B) Mitosis. C) All the above. D) None of the above. Show Answer Correct Answer: A) Meiosis. 9. One cell that undergoes meiosis will yield how many independent cells? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 10. Clones are: A) Only genetically similar to the parents. B) Only morphologically similar to their parent. C) Formed during asexual and sexual reproduction. D) Genetically and morphologically similar to the parents. Show Answer Correct Answer: D) Genetically and morphologically similar to the parents. 11. What is the limitation of asexual mode of reproduction? A) It does not allow for the production of new generations. B) It does not generate variations in populations. C) It is a slow process of making variants. D) It messes up the control of the cellular apparatus by the DNA. Show Answer Correct Answer: B) It does not generate variations in populations. 12. Runners are ..... A) Swollen underground roots. B) Modified buds. C) Horizontal stems that grow above ground and form new plants. D) Potato plants. Show Answer Correct Answer: C) Horizontal stems that grow above ground and form new plants. 13. Which of the following did NOT descend from one type of mustard plant? A) Broccoli. B) Kale. C) Lettuce. D) Cabbage. Show Answer Correct Answer: C) Lettuce. 14. The plant which flowers once in twelve years is: A) Strobilanthus kunthiana. B) Strobilithus kunthiana. C) Strobilanthus kunthana. D) None of the above. Show Answer Correct Answer: A) Strobilanthus kunthiana. 15. Which of the following is an example for viviparous animal? A) Penguin. B) Bat. C) Platypus. D) Crocodile. Show Answer Correct Answer: B) Bat. 16. If the number of chromosomes in the gamete of housefly is 6, what is the no. of chromosomes in the meiocyte? A) 12. B) 6. C) 24. D) 3. Show Answer Correct Answer: A) 12. 17. Macronucleus and micronucleus are present in A) Paramecium. B) Euglena. C) Planaria. D) Aurelia. Show Answer Correct Answer: A) Paramecium. 18. Which of the following is NOT a disadvantage of asexual reproduction? A) Do not need a mate. B) Little genetic variation. C) Mutations can occur. D) All susceptible to same disease. Show Answer Correct Answer: A) Do not need a mate. 19. What is the importance or reproduction? A) It ensures that no more offsprings are produced. B) It ensures continued existence of species. C) Living organisms can have fun. D) It helps to extinct a specie. Show Answer Correct Answer: B) It ensures continued existence of species. 20. How do bacteria reproduce? A) Runners. B) Budding. C) Binary fission. D) Regeneration. Show Answer Correct Answer: C) Binary fission. 21. In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell? A) 40. B) 30. C) 20. D) 10. Show Answer Correct Answer: C) 20. 22. A diploid parent plant body produces ..... gametes and a haploid parent plant body produces ..... gametes. A) Diploid, haploid. B) Haploid, diploid. C) Diploid, diploid. D) Haploid, haploid. Show Answer Correct Answer: D) Haploid, haploid. 23. 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). 24. Which animals reproduce by exogenous budding? A) Hydra. B) Sponges. C) Leucosolenia. D) Euglena. Show Answer Correct Answer: A) Hydra. 25. True or False:Fission is a way to reproduce asexually. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← PreviousNext →Related 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 8Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 9Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books