This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. False fruit is a fruit in which A) Only ovary take part in fruit development. B) Only embryo take part in fruit development. C) Only chalazal cells take part in fruit development. D) Ovary and other floral part are included in fruit development. Show Answer Correct Answer: D) Ovary and other floral part are included in fruit development. 2. How many times of mitosis occurs to form an embryo sac? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 3. Runners are stems that grow ..... A) Very high. B) Horizontally. C) Diagonally. D) Vertically. Show Answer Correct Answer: B) Horizontally. 4. What is the fate of the male gametes discharged in the synergid? A) One fuses with egg other(s) degenerate (s) in the synergid. B) All fuse with the egg. C) One fuses with the egg, other(s) fuse(s) with synergid nucleus. D) One fuses with the egg and other fuses with central cell nuclei. Show Answer Correct Answer: D) One fuses with the egg and other fuses with central cell nuclei. 5. Match column I with column II and select the correct option from the given codes. Column I Column IIA. Monoecious (i) Primula B. Dioecious (ii) MaizeC. Cleistogamous (iii) Date palmD Heterostyly (iv) Commelina A B C D A) (iii) (ii) (iv) (i). B) (ii) (iii) (iv) (i). C) (ii) (iii) (i) (iv). D) (i) (ii) (iii) (iv). Show Answer Correct Answer: B) (ii) (iii) (iv) (i). 6. The innermost layer of microsporangium is A) Tapetum. B) Endothecium. C) Middle layer. D) Epidermis. Show Answer Correct Answer: A) Tapetum. 7. Sexual reproduction is characterized by fusion of the male and female gametes (fertilization), the formation of ..... and ..... A) Embryogenesis and zygote. B) Zygote and embryogenesis. C) Fruit and seed. D) A. seed and embryo. Show Answer Correct Answer: B) Zygote and embryogenesis. 8. Which among male or female gametes in flower is motile? A) Male gametes. B) Female gametes. C) All the above. D) None of the above. Show Answer Correct Answer: A) Male gametes. 9. Seed coat originates from: A) Funicle. B) Integuments. C) Perisperm. D) Endosperm. Show Answer Correct Answer: B) Integuments. 10. State the ploidy level of a microsporocyte. A) Haploid. B) Diploid. C) Triploid. D) Tetraploid. Show Answer Correct Answer: B) Diploid. 11. The embryo sac of angiosperms typically contains: A) 7 nuclei, 7 cells. B) 8 nuclei, 7 cells. C) 8 nuclei, 8 cells. D) 6 nuclei, 6 cells. Show Answer Correct Answer: B) 8 nuclei, 7 cells. 12. Select the incorrect pair of type of pollination and the corresponding pollinating agency. A) Anemophily-Wind. B) Hydrophily-Water. C) Ornithophily-Birds. D) Chiropterophily-Insects. Show Answer Correct Answer: D) Chiropterophily-Insects. 13. Which of the following in not an insect pollinated plant? A) Amorphophallus. B) Salvia. C) Water hyacinth. D) Wheat. Show Answer Correct Answer: D) Wheat. 14. Wind pollinated Flowers have. A) Single ovule. B) Small flowers. C) Numerously are packed in to an inflorescence. D) All of the above. Show Answer Correct Answer: D) All of the above. 15. Transmission tissue is characteristic feature of A) Hollow style. B) Solid style. C) Dry stigma. D) Wet stigma. Show Answer Correct Answer: B) Solid style. 16. When pollen from the anther contacts the sticky stigma of a pistil. A) Germination. B) Reproduction. C) Regeneration. D) Pollination. Show Answer Correct Answer: D) Pollination. 17. Which is NOT an accessory floral whorl? A) Calyx. B) Corolla. C) Gynoecium. D) Perianth. Show Answer Correct Answer: C) Gynoecium. 18. SECTION B-FILL IN THE BLANKS. Unfertilized ovary develops into a fruit in ..... A) Parthenocarpy. B) Apomixis. C) Polyembryony. D) Double fertilization. Show Answer Correct Answer: A) Parthenocarpy. 19. Offspring exhibit genetic variety A) Asexual reproduction. B) Sexual reproduction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sexual reproduction. 20. The phenomenon wherein, the ovary develops into a fruit without fertilization is called A) Apomixis. B) Parthenocarpic. C) Sexual reproduction. D) Asexual reproduction. Show Answer Correct Answer: B) Parthenocarpic. 21. Several ..... changes are initiated which lead to the differentiation and development of the floral primordium. A) Hormonal. B) Structural. C) Cytological. D) Both A and B. Show Answer Correct Answer: D) Both A and B. 22. Which one of the following events takes place after doublefertilisation? A) The pollen grain germinates on the stigma. B) The pollen tubes enter the embryo sac. C) TWO male gametes are discharged into the embryo sac. D) The PEN (Primary Endosperm Nucleus) develops into endosperm. Show Answer Correct Answer: D) The PEN (Primary Endosperm Nucleus) develops into endosperm. 23. Which is NOT a type of ovule? A) Orthotropous. B) Anatropous. C) Hemitropous. D) Amphipodous. Show Answer Correct Answer: D) Amphipodous. 24. Number of cells in the pollen grain A) 2. B) 5. C) 3. D) 4. Show Answer Correct Answer: A) 2. 25. One parent makes a copy of itself A) Asexual reproduction. B) Sexual reproduction. C) All the above. D) None of the above. Show Answer Correct Answer: A) Asexual reproduction. ← 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 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 10Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books