This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In angiosperms, double fertilization involves: A) Syngamy and triple fusion. B) Syngamy and autogamy. C) Triple fusion and apogamy. D) None of these. Show Answer Correct Answer: A) Syngamy and triple fusion. 2. After fertilization the ovule will ..... A) Be carried away by a pollinator. B) Be blown away by the wind. C) Will grow into a new plant. D) Develop into a fruit that contains seeds. Show Answer Correct Answer: D) Develop into a fruit that contains seeds. 3. Which of the following is not an outbreeding device A) Asynchronicity in pollen release and stigma receptivity. B) Self incompatibility. C) Stamen and stigma present in different positions. D) Production of Bi-sexual flowers. Show Answer Correct Answer: D) Production of Bi-sexual flowers. 4. Why flowering plants are more successful than other members of the plant world? A) They carry out variety of pollination mechanism. B) They are large and have a good vascular tissue system. C) The protected plant embryo can survive in the period of unfavorable conditions. D) All of these. Show Answer Correct Answer: D) All of these. 5. Antipodals are located at: A) Micropylar end. B) Chalazal end. C) Lateral end. D) Central cells. Show Answer Correct Answer: B) Chalazal end. 6. What is the organ of sexual reproduction in a plant? A) Leaves. B) Flower. C) Stem. D) None of the above. Show Answer Correct Answer: B) Flower. 7. Select the correct option w.r.t tapetum: A) Nutritive tissue. B) Contains only one nuclei. C) Helps in dehiscence of anther. D) External layer of microsporangium. Show Answer Correct Answer: A) Nutritive tissue. 8. Apomixis is the process by which A) Seeds are produced after fertilization. B) Seeds are produced without fertilization. C) Fruits are produced after fertilization. D) Fruits are produced after pollination. Show Answer Correct Answer: B) Seeds are produced without fertilization. 9. Inside the microsporangium, there is a diploid cell known as, A) Megasporangium. B) Microspore. C) Microsporocyte. D) Generative cell. Show Answer Correct Answer: C) Microsporocyte. 10. Which one has the biggest seed? A) Apple. B) Avocado. C) Mango. D) Banana. Show Answer Correct Answer: C) Mango. 11. The most common type of endosperm in angiosperms is A) Helobial endosperm. B) Cellular endosperm. C) Nuclear endosperm. D) Mosaic endosperm. Show Answer Correct Answer: C) Nuclear endosperm. 12. Centre of each microsporangium is occupied by A) Sporogenous tissue. B) Tapetum. C) Central tissue. D) Microspore mother cell. Show Answer Correct Answer: A) Sporogenous tissue. 13. The development of fruits without fertilisation of the ovary, is called: A) Parthenogenesis. B) Parthenocarpy. C) Apomixis. D) Agamospermy. Show Answer Correct Answer: B) Parthenocarpy. 14. Corolla A) Petal (brightly colored). B) Sepal (green color). C) Anther. D) Pistil. Show Answer Correct Answer: A) Petal (brightly colored). 15. The flowers pollinated by flies and beetles A) Possess exposed stigma. B) Have feathery pollens. C) Secrete foul odours to attract these animals. D) Have long ribbon shaped pollens. Show Answer Correct Answer: C) Secrete foul odours to attract these animals. 16. Mature male gametophyte is A) 1-celled. B) 2-celled. C) 1-celled and 2-nucleate. D) 3-celled. Show Answer Correct Answer: D) 3-celled. 17. The female structures of the flower A) Pistil. B) Stigma. C) Stamen. D) Ovary. Show Answer Correct Answer: A) Pistil. 18. Asexual reproduction produces a plant that is exactly similar to the plant which it came from A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Which of the given statements are correct with respect to pollination in vallisneria?1. Pollen grains are light and non-sticky.2.Female flowers reach the surface of water by long stalks.3.Pollen grains are carried passively by water currents.4. Female flowers remain submerged in water. A) 1 and 2. B) 2 and 4. C) 1 and 4. D) 2 and 3. Show Answer Correct Answer: D) 2 and 3. 20. The ovule is stalked and attached to placenta by means of A) Chalaza. B) Funicle. C) Micropyle. D) Hilum. Show Answer Correct Answer: B) Funicle. 21. Free nuclear division in an angiosperm takes place during A) Gamete formation. B) Endosperm formation. C) Embryo formation. D) Flower formation. Show Answer Correct Answer: B) Endosperm formation. 22. In a fertilised embryo sac, the haploid, diploid and triploid structures are:[NCERT Exemplar] A) Synergid, zygote and primary endosperm nucleus. B) Synergid, antipodal and polar nuclei. C) Antipodal, synergid and primary endosperm nucleus. D) Synergid, polar nuclei and zygote. Show Answer Correct Answer: A) Synergid, zygote and primary endosperm nucleus. 23. Seeds of which plant were discovered during the archeological excavation at King Herod's palace near the Dea Sea? A) Rose. B) Lupinus. C) Phoenix. D) Agave. Show Answer Correct Answer: C) Phoenix. 24. Male gametes enters the ovary through the ..... A) Tube. B) Pollen tube. C) Fallopien tube. D) None of the above. Show Answer Correct Answer: B) Pollen tube. 25. Ovule is ategmic in A) Helianthus. B) Pea. C) Santalum. D) Brassica. Show Answer Correct Answer: C) Santalum. ← 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 10Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books