This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Stalk of the inflorescence A) Pedicle. B) Peduncle. C) Style. D) Filament. Show Answer Correct Answer: B) Peduncle. 2. Insect-pollinated flowers show: A) Large petals. B) Scent. C) Nectar. D) All of these. Show Answer Correct Answer: D) All of these. 3. What is the primary function of the endosperm in seeds? A) Pollination. B) Nutrient storage for the developing embryo. C) Protection of the embryo. D) Seed dispersal. Show Answer Correct Answer: B) Nutrient storage for the developing embryo. 4. Process in sexual reproduction in which male and female reproductive cells join to form a new cell A) Asexual reproduction. B) Fertilization. C) Sexual reproduction. D) Tissue. Show Answer Correct Answer: B) Fertilization. 5. An embryo may sometimes develops from any cell of embryo sac other than egg. it is termed as- A) Apospory. B) Apogamy. C) Parthenogenesis. D) Parthenocarpy. Show Answer Correct Answer: B) Apogamy. 6. A typical angiosperm embryo sac, at maturity shows A) 8 cells, 7 nuclei. B) 8 cells, 8 nuclei. C) 7 cells, 7 nuclei. D) 8 nuclei, 7 cells. Show Answer Correct Answer: D) 8 nuclei, 7 cells. 7. White kernel of coconut is an example of which type of endosperm? A) Cellular. B) Nuclear. C) Helobial. D) Global. Show Answer Correct Answer: A) Cellular. 8. The functions of germ pore is/are A) Emergence of radicle. B) Absorption of water for seed germination. C) Initiation of pollen tube. D) All of the above. Show Answer Correct Answer: C) Initiation of pollen tube. 9. How many haploid cells are present in a mature female gametophyte of a flowering plant? A) 6. B) 3. C) 1. D) 7. Show Answer Correct Answer: A) 6. 10. Section D-One-word answers (convert to MCQ):Select the correct one-word term for the protective covering of a seed. A) Testa. B) Pericarp. C) Aleurone layer. D) Tegmen. Show Answer Correct Answer: A) Testa. 11. Multicarpellary syncarpous ovary is found in A) Papaver. B) Michaelia. C) Triticum. D) Oryza. Show Answer Correct Answer: A) Papaver. 12. Which of the following represents the female gametophyte in angiosperms? A) Embryo. B) Embryo sac. C) Synergid. D) Endosperm. Show Answer Correct Answer: B) Embryo sac. 13. What is the function of the calyx in a flower? A) Produces pollen grains. B) Protects the flower in the bud stage. C) Attracts pollinators. D) Contains ovules. Show Answer Correct Answer: B) Protects the flower in the bud stage. 14. What must happen for fertilization to occur in flowering plants A) The plant must be exposed to sunlight during pollination. B) The sperm cells in the pollen tube must be able to reach the eggs in the ovules. C) The eggs in the ovules must be able to reach the top of the stigma where pollen is trapped. D) All of these. Show Answer Correct Answer: B) The sperm cells in the pollen tube must be able to reach the eggs in the ovules. 15. Whorl of stamens in flower represents A) Gynoecium. B) Androecium. C) Calyx. D) Corolla. Show Answer Correct Answer: B) Androecium. 16. In a fertilised embryo sac, the haploid, diploid and triploid structures are: 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. 17. Which of the following parts will develop into a fruit after fertilisation in plants? A) Integument. B) Ovary. C) Ovule. D) Triploid nucleus. Show Answer Correct Answer: B) Ovary. 18. Which process involves the transfer of pollen grains from the anther to the stigma? A) Fertilisation. B) Germination. C) Pollination. D) Seed Dispersal. Show Answer Correct Answer: C) Pollination. 19. Endosperm A) Food for future plant. B) New seed. C) Zygote. D) Future plant. Show Answer Correct Answer: A) Food for future plant. 20. Even in absence of pollinating agents seed setting is assured in A) Salvia. B) Fig. C) Commellina. D) Zostera. Show Answer Correct Answer: C) Commellina. 21. The dithecous anther has A) 2 microsporangia. B) 4 microsporangia. C) Single microsporangium. D) 8 microsporangia. Show Answer Correct Answer: B) 4 microsporangia. 22. The root cell of the wheat plant has 42 chromosomes. What would be the number of chromosomes in the synergid cell? A) 21. B) 7. C) 28. D) 14. Show Answer Correct Answer: A) 21. 23. What is the primary role of seed dispersal? A) To ensure fertilization. B) To prevent competition among seedlings. C) To enhance fruit formation. D) To promote self-pollination. Show Answer Correct Answer: B) To prevent competition among seedlings. 24. Which word could describe the stigma in a wind pollinated flower? A) Feathery. B) Sticky. C) Smooth. D) Light. Show Answer Correct Answer: A) Feathery. 25. Which of the following statement is incorrect about Exine layer A) Exine is made up of sporopollenin. B) Sporopollenin is non-degradable by withstanding acids and bases. C) Exine is a continuous layer. D) Exine has germ pores. Show Answer Correct Answer: C) Exine is a continuous layer. ← 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 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 10Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books