This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 28 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is incorrect for pollination by water? A) Emergent flowers above the level of water are pollinated by insects or winds. B) Pollination can take place inside or on water surface. C) All aquatic plants are pollinated by water. D) Pollen grains often possess mucilagenous sheath. Show Answer Correct Answer: C) All aquatic plants are pollinated by water. 2. Pollination is absent in- A) Bryophytes and Pteridophytes. B) Only Bryophytes. C) Only Gymnosperm. D) Only Angiosperm. Show Answer Correct Answer: A) Bryophytes and Pteridophytes. 3. Each anther has how many lobes A) 2. B) 4. C) 8. D) 1. Show Answer Correct Answer: A) 2. 4. What are the colorful and fragrant parts of a flower known as? A) Carpels. B) Stamens. C) Petals. D) Calyx. Show Answer Correct Answer: C) Petals. 5. Function of filiform apparatus is A) Recognize the suitable pollen at stigma. B) Stimulate division of generative cell. C) Produce nector. D) Guide the entry of pollen tube. Show Answer Correct Answer: D) Guide the entry of pollen tube. 6. How many main types of pollination are there in flowering plants? A) 3. B) 2. C) 4. D) 5. Show Answer Correct Answer: B) 2. 7. Which statement is correct for apomixis: A) Without fertilisation diploid embryo forms. B) With fertilisation diploid embryo forms. C) Without fertilisation haploid embryo cell form embryo. D) With fertilisation haploid embryo cell form embryo. Show Answer Correct Answer: A) Without fertilisation diploid embryo forms. 8. Chalazal pole is present A) Opposite to micropyle. B) At the origin of integuments. C) Opposite to nucellus. D) Near the embryo sac. Show Answer Correct Answer: A) Opposite to micropyle. 9. The reproductive part of the plant that attracts bees and butterflies A) Petals. B) Flower. C) Stem. D) Stigma. Show Answer Correct Answer: B) Flower. 10. Select the plant species, where emasculation is not required from artificial hybridization experiment? A) Castor. B) Lily. C) Papaya. D) Wheat. Show Answer Correct Answer: C) Papaya. 11. Exine of pollen is made up of A) Sporopollenin. B) Sporogenous tissue. C) Spongiform tissue. D) Inorganic material. Show Answer Correct Answer: A) Sporopollenin. 12. Triploid condition is observed in ..... A) Egg cell. B) Antipodals. C) Synergids. D) Primary endosperm nucleus. Show Answer Correct Answer: D) Primary endosperm nucleus. 13. What is the significance of double fertilization in flowering plants? A) It is a type of asexual reproduction. B) It results in the formation of both endosperm and embryo. C) It leads to the formation of seeds only. D) It prevents self-pollination. Show Answer Correct Answer: B) It results in the formation of both endosperm and embryo. 14. During the process of fertilisation the pollen tube of thepollen grain usually enters the embryo sac through A) Integument. B) Nucellus. C) Chalaza. D) Micropyle. Show Answer Correct Answer: D) Micropyle. 15. The thin stalk that supports the anther. A) Pistil. B) Stamen. C) Anther. D) Filament. Show Answer Correct Answer: D) Filament. 16. True fruit is directly derived from A) Stem. B) Root. C) Ovary. D) None of these. Show Answer Correct Answer: C) Ovary. 17. During fertilisation generative nucleus divides forming A) 1 male gamete. B) 2 male gametes. C) 1 female gamete. D) 2 female gametes. Show Answer Correct Answer: B) 2 male gametes. 18. What is produced from sexual reproduction in plants? A) Eggs. B) Leaves. C) Seeds. D) Babies. E) Flowers. Show Answer Correct Answer: C) Seeds. 19. SECTION B-FILL IN THE BLANKS. The basal cell of embryo is called ..... A) Suspensor. B) Cotyledon. C) Radicle. D) Endosperm. Show Answer Correct Answer: A) Suspensor. 20. Sperm cells of a flowering plant are contained in ..... A) Ovules. B) Pollen Grains. C) All the above. D) None of the above. Show Answer Correct Answer: B) Pollen Grains. 21. Which of the following is a special mode of reproduction in flowering plants? A) Pollination. B) Apomixis. C) Germination. D) Fertilization. Show Answer Correct Answer: B) Apomixis. 22. The hilum is a scar on the A) Seed, where funicle was attached. B) Fruit, where it was attached to pedicel. C) Fruit, where style was present. D) Seed, where micropyle was present. Show Answer Correct Answer: A) Seed, where funicle was attached. 23. Adicotyledonousplantbearsflowersbutneverproducesfruitsandseeds.Themostprobablecausefortheabovesituationis: A) Plantisdioeciousandbearsonlypistillateflowers. B) Plantisdioeciousandbearsbothpistillateandstaminateflowers. C) Plantismonoecious. D) Plantisdioeciousandbearsonlystaminateflowers. Show Answer Correct Answer: D) Plantisdioeciousandbearsonlystaminateflowers. 24. The total number of nuclei involved in double fertilisationin angiosperms are A) Two. B) Three. C) Four. D) Five. Show Answer Correct Answer: D) Five. 25. From the statements given below choose the option that are true for a typical female gametophyte of a flowering plant.(i) It is 8-nucleate and 7-celled at maturity(ii) It is free-nuclear during the development(iii) It is situated inside the integument but outside the nucellus(iv) It has an egg apparatus situated at the chalazal end A) (i) and (iv). B) (ii) and (iii). C) (i) and (ii). D) (ii) and (iv). Show Answer Correct Answer: C) (i) and (ii). ← 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