This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The leaves of this plant produces buds in their margin which grow into a new plants.? A) Sugarcane. B) Lotus. C) Bryophyllum. D) Tulsi. Show Answer Correct Answer: C) Bryophyllum. 2. The reproductive organ of a flowering plant A) Seed. B) Flower. C) Pistil. D) Stamen. Show Answer Correct Answer: B) Flower. 3. Indentify the wrong statement regarding post-fertilisation development. A) The ovary wall develops into pericarp. B) The outer integument of ovule develops into tegmen. C) The fusion nucleus (triple nucleus) develops into endosperm. D) The ovule develops into seed. Show Answer Correct Answer: B) The outer integument of ovule develops into tegmen. 4. The number of megaspores formed from a megaspore mother cell (MMC) is /are ..... A) 1. B) 2. C) 4. D) 7. Show Answer Correct Answer: A) 1. 5. Perianth A) Sepal. B) Petal. C) Sepal+Petal. D) Pollen. Show Answer Correct Answer: C) Sepal+Petal. 6. Which apparatus guides the pollen tube? A) Suspensor. B) Synergids. C) Antipodals. D) Egg. Show Answer Correct Answer: B) Synergids. 7. What are the parts of the pistil? A) Stigma, Style, Ovary. B) Stamen, Ovary, Anther. C) Anther, Filament, Style. D) Filament, Stamen, Ovary. Show Answer Correct Answer: A) Stigma, Style, Ovary. 8. SECTION B-FILL IN THE BLANKS. Fill in the blank:The outer layer of pollen grain is called ..... A) Exine. B) Intine. C) Tapetum. D) Aleurone. Show Answer Correct Answer: A) Exine. 9. Offspring have genetic diversity A) Asexual reproduction. B) Sexual reproduction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sexual reproduction. 10. The thalamus contributes to the fruit formation in A) Banana. B) Orange. C) Strawberry. D) Guava. Show Answer Correct Answer: C) Strawberry. 11. Pollen tablets are used as A) Breeding programmes. B) Food supplements. C) Curative for diseases. D) All of the above. Show Answer Correct Answer: B) Food supplements. 12. Orchid ovule is: A) Fertilized early. B) Fertilized late. C) Unfertilized. D) Polyembryonic. Show Answer Correct Answer: B) Fertilized late. 13. The cells of which of the layer of anther wall are multinucleated due to endomitosis? A) Epidermis. B) Endothecium. C) Middle layer. D) Tapetum. Show Answer Correct Answer: C) Middle layer. 14. Which of the following statements is/are correct? (I) Endothecium lies below epidermis. (ii) Fusion of egg with male gamete is called apogamy. (iii) Synergids are haploid (iv) The point at which funicle touches the ovule is raphe. A) (i) and (iv). B) (i)and (ii). C) (i) and (iii). D) (ii) and (iii). Show Answer Correct Answer: C) (i) and (iii). 15. Which of the following you will find in Cleistogamous flowers? A) Flowers open only at maturity. B) Equal chance for self and cross pollination. C) Rare chance for Cross pollination. D) Involves pollinating agents. Show Answer Correct Answer: C) Rare chance for Cross pollination. 16. During microsporogenesis, the diploid microspore mother cell (MMC) divides to form microspores. Which of the following statements is true? A) MMC undergoes one mitotic division to form 4 haploid pollen grains. B) MMC undergoes one mitotic division and one meiotic division to form 4 haploid pollen grains. C) MMC undergoes one meiotic division to form 4 haploid pollen grains. D) MMC undergoes two mitotic divisions to form 4 haploid pollen grains. Show Answer Correct Answer: C) MMC undergoes one meiotic division to form 4 haploid pollen grains. 17. The process whereby seeds or spores sprout and begin to grow A) Germination. B) Pollination. C) Reproduction. D) Cellular respiration. Show Answer Correct Answer: A) Germination. 18. Male gametophyte in angiosperms produces A) Two sperms and a vegetative cell. B) Single sperm and a vegetative cell. C) Single sperm and two vegetative cell. D) Three sperms. Show Answer Correct Answer: A) Two sperms and a vegetative cell. 19. To explain Geitonogamy, one of the following statements do not apply. Find the statement. A) It involves transfer of pollen from one flower to stigma of another flower within the same plant. B) Such flowers are usually bisexual. C) It requires external pollinating agent. D) It is physically a cross pollination but genetically similar to self pollination. Show Answer Correct Answer: B) Such flowers are usually bisexual. 20. Seed without endosperm is: A) Almond. B) Castor. C) Coconut. D) Cereal. Show Answer Correct Answer: A) Almond. 21. The number of meiotic divisions, required to produce 400 seeds in a pea plant, is A) 100. B) 200. C) 400. D) 500. Show Answer Correct Answer: D) 500. 22. What are angiosperms? A) Flowering plants. B) Plants with cones. C) All the above. D) None of the above. Show Answer Correct Answer: A) Flowering plants. 23. Both chasmogamous and cleistogamous flowers are present in A) Helianthus. B) Commelina. C) Rosa. D) Gossypium. Show Answer Correct Answer: B) Commelina. 24. To achieve 3-celled stage in angiosperms, which cell of the pollen grain divides to form two male gametes? A) Vegetative cell. B) Generative cell. C) Microspore mother cell. D) None of the above. Show Answer Correct Answer: B) Generative cell. 25. The male part of the plant that sits on top of the filament A) Stamen. B) Stigma. C) Anther. D) Style. Show Answer Correct Answer: C) Anther. ← 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