This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 29 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Exine of pollen contains: A) Cutin. B) Lignin. C) Sporopollenin. D) Pectin. Show Answer Correct Answer: C) Sporopollenin. 2. A female reproductive structure in a flower is called a(n) ..... A) Stamen. B) Pistil. C) Anther. D) Filament. Show Answer Correct Answer: B) Pistil. 3. In embryos of a typical dicot and a grass, true homologous structures are A) Coleorhiza and coleoptile. B) Coleoptile and scutellum. C) Cotyledons and scutellum. D) Hypocotyl and radicle. Show Answer Correct Answer: C) Cotyledons and scutellum. 4. Zygote continuously divided by mitosis to form A) Embryo. B) Endosperm. C) Seed coat. D) Seed. Show Answer Correct Answer: A) Embryo. 5. Syngamy results in: A) Diploid zygote. B) Triploid nucleus. C) Endosperm. D) Embryo sac. Show Answer Correct Answer: A) Diploid zygote. 6. What is the main advantage of cross-pollination? A) Higher seed viability. B) Faster seed development. C) Reduced need for pollinators. D) Increased genetic diversity. Show Answer Correct Answer: D) Increased genetic diversity. 7. Pollen grains germinates A) In anther. B) In ovary. C) On stamen. D) On stigma. Show Answer Correct Answer: D) On stigma. 8. How many functional megaspores are produced when a single megaspore mother cell undergoes meiotic division? A) 4. B) 3. C) 1. D) 2. Show Answer Correct Answer: C) 1. 9. Undifferentiated sepal and petal A) Stigma. B) Style. C) Filament. D) Tepal. Show Answer Correct Answer: D) Tepal. 10. What is the function of the anther in a flower? A) Collect pollen grains. B) Produce female gametes. C) Attract insects. D) Produce male gametes. Show Answer Correct Answer: D) Produce male gametes. 11. How do bees aid in pollination? A) They transfer pollen from one flower to another. B) They produce and release pollen that is given to a plant. C) All the above. D) None of the above. Show Answer Correct Answer: A) They transfer pollen from one flower to another. 12. Which is NOT a mode of apomixis? A) Adventive embryony. B) Apospory. C) Parthenogenesis. D) Pollination. Show Answer Correct Answer: D) Pollination. 13. Pollen grains must be transferred from the anther to the stigma of the same flower or another flower. This process is called ..... A) Pollination. B) Fertilisation. C) Germination. D) Condensation. Show Answer Correct Answer: A) Pollination. 14. What is the organ of sexual reproduction in flowering plants? A) Leaf. B) Flower. C) Root. D) Stem. Show Answer Correct Answer: B) Flower. 15. A 7 celled and 8 nucleated structure in angiosperms is called A) Microsporangium. B) Megasporangium. C) Microspore. D) Embryo sac. Show Answer Correct Answer: D) Embryo sac. 16. Pollination is the process by which the pollen grains are transferred from the ..... to the ..... A) Anther ovary. B) Anther stigma. C) Stigma ovary. D) Stigma filament. Show Answer Correct Answer: B) Anther stigma. 17. Inaflower, ifthemegasporemothercellformsmegasporeswithoutundergoingmeiosisandifoneofthemegasporesdevelopsintoanembryosac, itsnucleiwouldbe: A) Haploid. B) Diploid. C) A few haploid and a few diploid. D) With varying ploidy. Show Answer Correct Answer: B) Diploid. 18. The cell that gives rise to male gametes in the pollen grain is A) Vegetative Cell. B) Generative Cell. C) All the above. D) None of the above. Show Answer Correct Answer: B) Generative Cell. 19. What is the function of the corolla? A) Contains ovules. B) Attracts pollinators. C) Protects the flower. D) Supports the flower. Show Answer Correct Answer: B) Attracts pollinators. 20. Megasporangium along with its protective integuments is called A) Ovary. B) Ovule. C) Funicle. D) Chalaza. Show Answer Correct Answer: B) Ovule. 21. The anther produces pollen grains that contain the male sex cells. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. When the anther is young, a group of compactly arranged homogenous cells called the ..... tissue occupies the centre of each microsporangium. A) Permanent. B) Complex. C) Sporogenous. D) Simple. Show Answer Correct Answer: C) Sporogenous. 23. The world's oldest viable seed, excavated from Arctic Tundra is of A) Lupine. B) Ficus. C) Date palm. D) Phoenix. Show Answer Correct Answer: A) Lupine. 24. Insects can lay their eggs safely in which of the following plant? A) Sunflower. B) Bee orchid. C) Mustard. D) Zaminkand. Show Answer Correct Answer: D) Zaminkand. 25. A plant is one that has male and female flowers on the same plant, or that has flowers on every plant that contain both male and female reproductive components. A) A monoecious plant. B) A dioecious plant. C) All the above. D) None of the above. Show Answer Correct Answer: A) A monoecious plant. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 1Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 2Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 3Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 4Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 5Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 6Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 7Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 8Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 9Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books