This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 23 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Choose the option that gives the correct number of pollen grains that will formed after 325 microspore mother cells under go microsporogenesis. A) 325. B) 650. C) 1300. D) 975. Show Answer Correct Answer: C) 1300. 2. Pollination carried out through water is A) Hydrochory. B) Anemophily. C) Hydrophily. D) Anemochory. Show Answer Correct Answer: C) Hydrophily. 3. During the process of fertilization, the pollen tube usually enters the embryo sac through A) Integument. B) Micropyle. C) Chalaza. D) Nucellus. Show Answer Correct Answer: B) Micropyle. 4. Double fertilization was discovered by Nawaschin and Guignard in A) Lilium and Allium. B) Lilium and Fritillaria. C) Zea mays and Mangifera. D) Nigella and fritillaria. Show Answer Correct Answer: B) Lilium and Fritillaria. 5. Ovule found in 82% of angiosperm families is A) Anatropous. B) Orthotropous. C) Amphitropous. D) Circinotropous. Show Answer Correct Answer: A) Anatropous. 6. Wind-pollinated flowers have stamens found within the flower. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. Characters of wind pollinated pollen are with A) Light, non-sticky. B) Well exposed stamen. C) Produced in large number. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. The ubisch bodies are produced in the A) Epidermis. B) Endothecium. C) Middle layer. D) Tapetum. Show Answer Correct Answer: D) Tapetum. 9. The portion of embryonal axis below the level of cotyledons is A) Radicle. B) Plumule. C) Epicotyl. D) Hypocotyl. Show Answer Correct Answer: D) Hypocotyl. 10. An ovule is a A) Differentiated megasporangium. B) Dedifferentiated megasporangium. C) Integumented megasporangium. D) Redifferentiated megasporangium. Show Answer Correct Answer: C) Integumented megasporangium. 11. A particular of plant produces light, non sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by A) Insects. B) Water. C) Wind. D) Animals. Show Answer Correct Answer: C) Wind. 12. Which of the following plant produces false fruits? A) Apple. B) Strawberry. C) Cashewnut. D) More than one option is correct. Show Answer Correct Answer: D) More than one option is correct. 13. Seed is a A) Ovule. B) Fertilized ovule. C) Ovary. D) None of the above. Show Answer Correct Answer: B) Fertilized ovule. 14. The four walls of a microsporangium in correct order from outside to inside are A) Epidermis, endothecium, middle layers, tapetum. B) Epidermis, tapetum, middle layers, endothecium. C) Tapetum, middle layers, endothecium, epidermis. D) Endothecium, middle layers, tapetum, epidermis. Show Answer Correct Answer: A) Epidermis, endothecium, middle layers, tapetum. 15. Outermost covering of ovule A) Embryo. B) Endosperm. C) Seed coat. D) Kernel. Show Answer Correct Answer: C) Seed coat. 16. Bisexual chasmogamous flowers shows A) Autogamy. B) Geitonogamy. C) Xenogamy. D) All the above. Show Answer Correct Answer: D) All the above. 17. Which is the female reproductive system in a flower? A) Carpel. B) Stamen. C) Stem. D) Receptacle. Show Answer Correct Answer: A) Carpel. 18. What is the term for the process of artificial hybridization? A) Emasculation and bagging. B) Self-pollination. C) Cross-pollination. D) Germination. Show Answer Correct Answer: A) Emasculation and bagging. 19. A dioecious flowering plant prevents A) Geitonogamy and xenogamy. B) Autogamy and xenogamy. C) Autogamy and geitonogamy. D) Cleistogamy and xenogamy. Show Answer Correct Answer: C) Autogamy and geitonogamy. 20. Parthenocarpic fruits develop in ..... A) Apple. B) Mango. C) Banana. D) Orange. Show Answer Correct Answer: C) Banana. 21. One of the 3 haploid cells at the other end of the embryo sac will become the egg cell. The other two haploid cells are the ..... A) Synergid cells. B) Antipodal cells. C) Polar nuclei. D) Zygote. Show Answer Correct Answer: A) Synergid cells. 22. Microsporangium develops into A) Pollens. B) Microgametes. C) Megagametes. D) Pollen sac. Show Answer Correct Answer: D) Pollen sac. 23. The pollen grains represent the A) Male gametes. B) Male gametophytes. C) Female gametes. D) Female gametophyte. Show Answer Correct Answer: B) Male gametophytes. 24. Plants with ovaries having only one or a few ovules aregenerally pollinated by A) Bees. B) Butterflies. C) Birds. D) Wind. Show Answer Correct Answer: D) Wind. 25. The filament ..... A) Holds up the anther. B) Is the male part of the flower. C) Protects the petal. D) Catches pollen. Show Answer Correct Answer: A) Holds up the 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