This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 32 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Unisexuality of flowers prevents A) Autogamy and geitonogamy. B) Both geitonogamy and xenogamy. C) Autogamy but not geitonogamy. D) Geitonogamy but not xenogamy. Show Answer Correct Answer: C) Autogamy but not geitonogamy. 2. Angiosperms A) Flowering plants. B) Non-flowering plants. C) Asexually reproducing plants. D) None of the above. Show Answer Correct Answer: A) Flowering plants. 3. Which one of the following statement is correct: A) Hard outer layer of pollen grain is called intine. B) Sporogenous tissue is haploid. C) Endothecium produces microspores. D) Tapetum nourishes the developing pollen. Show Answer Correct Answer: D) Tapetum nourishes the developing pollen. 4. Pollen grains are well preserved as fossils because of presence of A) Sporopollenin. B) Cellulose. C) Lignocellulose. D) Pectocellulose. Show Answer Correct Answer: A) Sporopollenin. 5. Example of false fruit includes A) Banana. B) Apple. C) Strawberry. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 6. Organisms in the population are diverse, so some of them will have an advantage for survival if the environment changes A) Asexual reproduction. B) Sexual reproduction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sexual reproduction. 7. If the environment changes for an asexual offspring it might A) Go extinct. B) Adapt. C) Create gametes. D) Reproduce faster. Show Answer Correct Answer: A) Go extinct. 8. In flowering plants, meiosis takes place during A) Pollen grain formation. B) Gamete fusion. C) Seed formation. D) Seed germination. Show Answer Correct Answer: A) Pollen grain formation. 9. The process of fusion of male and female gametes is: A) Pollination. B) Fertilization. C) Embryogenesis. D) Megasporogenesis. Show Answer Correct Answer: B) Fertilization. 10. A typical angiospermous ovule is attached to the placenta by means of a stalk called X. Body of the ovule fuses with X in the region called Y. Identify X and Y. X X Y A) Funicle Hilum. B) Hilum Funicle. C) Funicle Hilum. D) Micropyle Chalaza. Show Answer Correct Answer: A) Funicle Hilum. 11. Plumule give rise to A) Shoot. B) Root. C) Leaf. D) Branch. Show Answer Correct Answer: A) Shoot. 12. Sporopollenin is present in which part of the a pollen? A) Intine. B) Germ Pore. C) Exine. D) Vegetative cell. Show Answer Correct Answer: C) Exine. 13. What is the function of filiform apparatus in anangiospermic embryo sac? A) Brings about opening of the pollen tube. B) Guides the pollen tube into a synergid. C) Prevents entry of more than one pollen tube into a synergid. D) None of these. Show Answer Correct Answer: B) Guides the pollen tube into a synergid. 14. The plant male sex cell is also called the ..... A) Anther. B) Pollen grain. C) Ovary. D) Ovule. Show Answer Correct Answer: B) Pollen grain. 15. Cells that found in a pollen grain when it is shed at 3-celled stage are A) 1 generative cell, 2 male gametes. B) 1 vegetative cell, 2 male gametes. C) 1 vegetative cell, 1 generative cell, 1 male gamete. D) Either 1 or 3. Show Answer Correct Answer: B) 1 vegetative cell, 2 male gametes. 16. Which amongst the following statements best defines coleoptile? A) Cotyledon situated toward one side of the embryonal axis. B) An undifferentiated sheath that encloses root cap at the lower end of embryonal axis. C) A hollow foliar structure that encloses few leaf primordia and shoot apex of the epicotyl. D) None of the above. Show Answer Correct Answer: C) A hollow foliar structure that encloses few leaf primordia and shoot apex of the epicotyl. 17. The ovary consists of ovules that contain the female sex cells. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Which of the following seeds have remained alive for the longest period? A) Phoenix dactylifera. B) Striga asiatica. C) Mangifera indica. D) Yucca gigantea. Show Answer Correct Answer: A) Phoenix dactylifera. 19. Integuments encircle the ovule except at the tip, which forms a small opening called A) Chalazal end. B) Polar end. C) Micropyle. D) None of the above. Show Answer Correct Answer: C) Micropyle. 20. Branch of study which deals with study of flowers is called A) Apiculture. B) Floriculture. C) Sericulture. D) Sylviculture. Show Answer Correct Answer: B) Floriculture. 21. Which of the following is pollinated by insects or wind? A) Hydrilla. B) Hyacinth. C) Vallisneria. D) Zostera. Show Answer Correct Answer: B) Hyacinth. 22. A callose covering is present over A) Egg. B) Male gametes. C) Microspore mother cell. D) Pollen grains. Show Answer Correct Answer: C) Microspore mother cell. 23. A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications help in pollination by: A) Insects. B) Water. C) Wind. D) Animals. Show Answer Correct Answer: C) Wind. 24. Microspore tetrad (pollen grains) is the result of A) Mitotic cell division. B) Meiotic cell division. C) Both (a) and (b). D) None of these. Show Answer Correct Answer: B) Meiotic cell division. 25. Type of cross pollination is named after the agent. Which of the following is a correct match?a) Entemophily-wind pollinationb) Anemophily-insect pollinationc) Ornithophily-snail pollinationd) Chiropterophily-bat pollination A) . B) . C) . D) . Show Answer Correct Answer: A) . ← 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