This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 1 Reproduction In Organisms – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Fusion of unrelated gametes is called ..... A) Dichogamy. B) Fertilization. C) Autogamy. D) None of the above. Show Answer Correct Answer: B) Fertilization. 2. Which of the following propagates through leaf tips? A) Marchantia. B) Walking fern. C) Moss. D) Sprout leaf plant. Show Answer Correct Answer: B) Walking fern. 3. What is parthenogenesis? A) Fusion of gametes. B) Fertilisation without gametes. C) Development from unfertilised egg. D) Fusion of buds. Show Answer Correct Answer: C) Development from unfertilised egg. 4. 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) 23, 46. B) 46, 23. C) 23, 45. D) 01, 10. Show Answer Correct Answer: A) 23, 46. 5. Each cell in your body contains ..... pairs of chromosomes. A) 23. B) 22. C) 24. D) 21. Show Answer Correct Answer: A) 23. 6. The term 'clone' cannot be applied to offspring formed by sexual reproduction because: A) Offspring do not possess exact copies of parental DNA. B) DNA of only one parent is copied and passed on to the offspring. C) Offspring are formed at different times. D) DNA of parent and offspring are completely different. Show Answer Correct Answer: A) Offspring do not possess exact copies of parental DNA. 7. 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. 8. 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. 9. Asexual reproduction is seen in members of Kingdom A) Monera. B) Animalia. C) Plantae. D) All of these. Show Answer Correct Answer: D) All of these. 10. 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. 11. The statements given below describe certain features that are observed in the pistil of the flowers. i. Pistil may produce more than one seed.ii. Each carpel may have more than one ovule.iii. each carpel has only one ovule.iv. Pistil have only one carpelChoose the statement that are true from the options given below A) I and ii. B) I and iii. C) Ii and iv. D) Iii and iv. Show Answer Correct Answer: A) I and ii. 12. Repeated fission occurs in A) Paramecium. B) Opalina. C) Vorticella. D) Plasmodium. Show Answer Correct Answer: C) Vorticella. 13. An invading weed also called 'terror of bengal' reproduces vegetatively through A) Bulbs. B) Stolons. C) Bulbils. D) Offsets. Show Answer Correct Answer: D) Offsets. 14. 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. 15. Transverse binary fission is noticed in ..... A) Amoeba. B) Planaria. C) Ceratium. D) Vorticella. Show Answer Correct Answer: B) Planaria. 16. Gametes of Human beings are: A) Homogametes. B) Isogametes. C) Heterogametes. D) None of these. Show Answer Correct Answer: C) Heterogametes. 17. Count the total number of organisms which are monoecious. Cucurbits, Coconut, Papaya, Date palm, Chara, Marchantia A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 18. Natural parthenogenesis occurs in A) Frog to form female. B) Honeybee to produce drones. C) Cockroach. D) Vegetarian eggs. Show Answer Correct Answer: B) Honeybee to produce drones. 19. The asexual reproductive structures in Bryophyllum are A) Leaf buds. B) Tubers. C) Bulbils. D) Rhizomes. Show Answer Correct Answer: A) Leaf buds. 20. After fertilization Ovules develop into A) Fruit. B) Seed coat. C) Seed. D) None of the above. Show Answer Correct Answer: C) Seed. 21. Bulbil is the vegetative propagule of A) Agave. B) Asparagus. C) Apple. D) Aloe Vera. Show Answer Correct Answer: A) Agave. 22. 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. 23. Neelkuranji flowers once in every A) 14 years. B) 3 years. C) 10 years. D) 12 years. Show Answer Correct Answer: D) 12 years. 24. 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. 25. 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. ← 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