This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Spiny or sticky pollen grains and large, attractivelycoloured flowers are associated with A) Hydrophily. B) Entomophily. C) Ornithophily. D) Anemophily. Show Answer Correct Answer: B) Entomophily. 2. Number of cells in the mature ovule/embryo sac A) 5. B) 6. C) 7. D) 8. Show Answer Correct Answer: C) 7. 3. Assertion:Artificial hybridisation requires emasculation in bisexual flower.Reason:Emasculation is removal another before their dehiscence so it prevent self pollination. A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 4. Male gametes are found in ..... and produced in the anthers of the flower. Female gametes are found in ..... and produced in the ovary of the flower. A) Pollen grains, ovules. B) Ovules, pollen grains. C) All the above. D) None of the above. Show Answer Correct Answer: A) Pollen grains, ovules. 5. This connects Ovary with stigma A) Style. B) Filament. C) Anther. D) Pollen tube. Show Answer Correct Answer: A) Style. 6. In a majority of aquatic plants such as water hyacinth and water lily, the flowers are pollinated by A) Insects. B) Wind. C) Water. D) Both A and B. Show Answer Correct Answer: D) Both A and B. 7. Pollen viability for rice and wheat plant is A) 30 hours. B) 3 months. C) 30 minutes. D) 30 seconds. Show Answer Correct Answer: C) 30 minutes. 8. All plants reproduce by flowers. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 9. Transfer of pollen from the anther of one flower to the stigma of another flower on the same plant. A) Cross pollination. B) Self pollination. C) All the above. D) None of the above. Show Answer Correct Answer: B) Self pollination. 10. Which among the following statements are true for sexual reproduction in flowering plants?(i) It requires two types of gametes.(ii) Fertilization is a compulsory event.(iii) It always results in formation of zygote.(iv) Offspring formed are clones. A) (i) and (iv). B) (i), (ii) and (iv). C) (i), (ii) and (iv). D) (i), (ii) and (iii). Show Answer Correct Answer: D) (i), (ii) and (iii). 11. What would be the ploidy of the cells of tetrad A) Haploid. B) Diploid. C) Polyploid. D) Both haploid and diploid. Show Answer Correct Answer: A) Haploid. 12. The cells of the endosperm are filled with reserve food materials and are used for the nutrition of developing embryo is generally a ..... in angiosperms. A) Triploid tissue. B) Diploid tissue. C) Haploid tissue. D) Hexaploid tissue. Show Answer Correct Answer: A) Triploid tissue. 13. Which fruit develops from inferior ovary? A) Tomato. B) Apple. C) Mango. D) Coconut. Show Answer Correct Answer: B) Apple. 14. The phenomenon wherein, the ovary develops into a fruit without fertilisation is called A) Parthenocarpy. B) Apomixis. C) Asexual reproduction. D) Sexual reproduction. Show Answer Correct Answer: A) Parthenocarpy. 15. ..... is not an endospermic seed. A) Pea. B) Castor. C) Maize. D) Wheat. Show Answer Correct Answer: A) Pea. 16. Ovary wall develops into: A) Seed. B) Testa. C) Pericarp. D) Endosperm. Show Answer Correct Answer: C) Pericarp. 17. Pollination occurs in A) Bryophytes and angiosperms. B) Angiosperms and fungi. C) Angiosperms and gymnosperms. D) Angiosperms and fungi. Show Answer Correct Answer: C) Angiosperms and gymnosperms. 18. Which phase of the life cycle is dominant in the individuals of angiosperms? A) Gametophyte. B) Growth phase. C) Sporophyte. D) Development phase. Show Answer Correct Answer: C) Sporophyte. 19. The fertilisation in flowering plants is known as ..... fertilisation. A) Single. B) Double. C) Tripple. D) None of the above. Show Answer Correct Answer: B) Double. 20. In angiosperms, the number of meiotic divisions required to produced 100 microspores is A) 125. B) 50. C) 25. D) 100. Show Answer Correct Answer: C) 25. 21. What is the function of the pollen? A) To fertilise the egg. B) To pollinate the flower. C) To produce the reproductive cells. D) None of the above. Show Answer Correct Answer: A) To fertilise the egg. 22. Offspring are exact copies of the parent A) Asexual reproduction. B) Sexual reproduction. C) All the above. D) None of the above. Show Answer Correct Answer: A) Asexual reproduction. 23. Ovule is attached to placenta by: A) Funicle. B) Hilum. C) Chalaza. D) Micropyle. Show Answer Correct Answer: A) Funicle. 24. Which of the given statement are true?a) During the development of dicot embryo, heart shaped embryo is followed by globular embryo.b) The part of embryonal axis above the level of cotyledons is epicotyl, while the part below the level of cotyledons is hypocotyl.c) monocot seeds possess a single cotyledon represents by scutellum. A) A and b. B) B and c. C) A and c. D) A, b and c. Show Answer Correct Answer: B) B and c. 25. Number of microsporangia in an angiospermic anther is A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. ← 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