This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 1 Reproduction In Organisms – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following statement about parthenogenesis is incorrect? A) Development of new organism from sperm without fertilization. B) It is found in certain lizards and turkey. C) Syngamy do not occur. D) In rotifers and honeybees, female gametes develops directly into new organism without fertilization. Show Answer Correct Answer: A) Development of new organism from sperm without fertilization. 2. What is one advantage of asexual reproduction? A) Offspring are different from parents. B) Diseases are not passed from parent to offspring. C) It takes a longer time. D) It takes less time. Show Answer Correct Answer: D) It takes less time. 3. The plants which flower more than once, their inter-flowering period represents ..... phase. A) Juvenile. B) Reproductive. C) Senescent. D) None of the above. Show Answer Correct Answer: A) Juvenile. 4. How many parent(s)are needed for asexual? A) 4. B) 1. C) 9. D) 100. Show Answer Correct Answer: B) 1. 5. Sexual reproduction uses ..... and asexual reproduction uses ..... answer choices A) Sex cells, body cells. B) Body cells, sex cells. C) All the above. D) None of the above. Show Answer Correct Answer: A) Sex cells, body cells. 6. Bulbil is a vegetative propagule in A) Bryophyllum. B) Agave. C) Ginger. D) Water hyacinth. Show Answer Correct Answer: B) Agave. 7. Provide examples of organisms that reproduce asexually. A) Frogs, fish, birds. B) Dogs, cats, horses. C) Bacteria, yeast, strawberries, spider plants. D) Oak trees, sunflowers, dandelions. Show Answer Correct Answer: C) Bacteria, yeast, strawberries, spider plants. 8. Which of the following describes the main advantages of sexual reproduction? A) Requires lots of time/energy. B) No new gene combos can arise. C) Genetic diversity. D) Looks identical to the parent. Show Answer Correct Answer: C) Genetic diversity. 9. What is the form of natural vegetative propagation that occurs when the leaves of a plant detach from from the parent plant and form a new plant? A) Runners. B) Leaf modification. C) Root modification. D) Bulb. Show Answer Correct Answer: B) Leaf modification. 10. What is the genetic makeup of the offspring in sexual reproduction? A) Genetically diverse. B) Clones. C) Half of each parent. D) Different from both parents. Show Answer Correct Answer: A) Genetically diverse. 11. What is the process called when the embryo develops into a seedling? A) Photosynthesis. B) Pollination. C) Fertilization. D) Germination. Show Answer Correct Answer: D) Germination. 12. Which of the following is false about external fertilization? A) Organisms showing external fertilization exhibit great synchrony between the sexes and release gametes. B) Gametes are produced in large number in water to enhance the chances of fertilization. C) A large number of gametes are wasted. D) A major advantage is that the offsprings are protected from predators and there is a great chance of their survival upto adult hood. Show Answer Correct Answer: D) A major advantage is that the offsprings are protected from predators and there is a great chance of their survival upto adult hood. 13. Fission begins in a prokaryote when the DNA molecule is ..... , A) Destrited. B) Copied. C) Split. D) Enhanced. Show Answer Correct Answer: B) Copied. 14. During unfavourable conditions, Amoeba multiplies by A) Binary fission. B) Budding. C) Sporulation. D) It just dies. Show Answer Correct Answer: C) Sporulation. 15. ..... is an example of anaerobes A) Yeast. B) Humans. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yeast. 16. A few statements are given with regard to sexual reproductioni. Sexual reproduction does not always require two parents.ii. Sexually reproduction generally involves gametic fusion.iii. Meiosis never occurs in sexual reproduction.iv. External fertilisation is a rule during sexual reproduction.Choose the correct options from the following options. A) I and iv. B) I and ii. C) Ii and iii. D) I and iv. Show Answer Correct Answer: B) I and ii. 17. A sea star has one of its arms break off. That arm grows into its own separate organism through ..... A) Sexual reproduction. B) Regeneration. C) Spindle fibers. D) Chromosomes. Show Answer Correct Answer: B) Regeneration. 18. What is the purpose of pollen in a flower? A) To attract pollinators. B) To produce seeds. C) To transfer germ-cells. D) To protect the reproductive parts. Show Answer Correct Answer: C) To transfer germ-cells. 19. Endogenous budding occurs in A) Hydra. B) Marine sponge. C) Fresh water sponge. D) Obelia. Show Answer Correct Answer: C) Fresh water sponge. 20. What are the two main types of reproduction? A) Asexual reproduction and sexual reproduction. B) Binary fission and budding. C) Pollination and fertilization. D) Cloning and regeneration. Show Answer Correct Answer: A) Asexual reproduction and sexual reproduction. 21. Which organisms typically reproduce asexually? A) Most animals. B) Bacteria. C) Most plants. D) All eukaryotes. Show Answer Correct Answer: B) Bacteria. 22. What is the process called when gametes unite to make a new organism? A) Budding. B) Mitosis. C) Fertilization. D) Crossing over. Show Answer Correct Answer: C) Fertilization. 23. In humans, fertilisation takes place in A) Uterus. B) Ovary. C) Fallopian tube. D) Vagina. Show Answer Correct Answer: C) Fallopian tube. 24. Which type of reproduction causes bacteria of a species to have the exact same DNA as each other?answer choices A) Asexual. B) Sexual. C) Monopolistic. D) Linguistic. Show Answer Correct Answer: A) Asexual. 25. There are various types of reproduction. The type of reproduction adopted by an organism depends on: A) The habitat and morphology of the organism. B) Morphology of the organism. C) Morphology and physiology of the organism. D) The organism's habitat, physiology and genetic makeup. Show Answer Correct Answer: D) The organism's habitat, physiology and genetic makeup. 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