This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Callase enzyme which dissolves callose of pollen tetrads to separate four pollens is provided by A) Pollens. B) Tapetum. C) Middle layers. D) Endothecium. Show Answer Correct Answer: B) Tapetum. 2. Exposed anthers and stigma are seen in A) Chasmogamous Flowers. B) Cleistogamous Flowers. C) All the above. D) None of the above. Show Answer Correct Answer: A) Chasmogamous Flowers. 3. Which of the following grows from underground stem? A) Garlic. B) Ginger. C) Katakataka. D) Strawberry. Show Answer Correct Answer: B) Ginger. 4. In an embryo sac, the cells that degenerate after fertilisation are: A) Synergids and primary endosperm cell. B) Synergids and antipodals. C) Antipodals and primary endosperm cell. D) Egg and antipodals. Show Answer Correct Answer: B) Synergids and antipodals. 5. Papaver and Michelia flowers are characterized by the presence of A) Apocarpous and syncarpous gynoecium respectively. B) Syncarpous and apocarpous gynoecium respectively. C) Monocarpellary and multicarpellary gynoecium respectively. D) None. Show Answer Correct Answer: B) Syncarpous and apocarpous gynoecium respectively. 6. Microsporangia is also known as A) Pollen grains. B) Pollen sacs. C) Male gametophyte. D) Microspore. Show Answer Correct Answer: B) Pollen sacs. 7. Which of the following is a post-fertilization event? A) Pollination. B) Microsporogenesis. C) Seed formation. D) Gametogenesis. Show Answer Correct Answer: C) Seed formation. 8. A typical angiosperm embryo sac is: A) 7 Celled and 8 nucleate. B) 8 celled and 7 nucleate. C) 8 celled 8 nucleate. D) 7 celled 7 nucleate. Show Answer Correct Answer: A) 7 Celled and 8 nucleate. 9. Section C-True or False:Double fertilization is found only in gymnosperms. Choose True or False. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. Dicliny in flowers promotes: A) Self-pollination. B) Apomixis. C) Cross-pollination. D) Parthenogenesis. Show Answer Correct Answer: C) Cross-pollination. 11. Flowering plants are classified as ..... A) Angiosperm. B) Gymnosperm. C) All the above. D) None of the above. Show Answer Correct Answer: A) Angiosperm. 12. Ploidy of ovum of angiosperms is A) Polyploid. B) Triploid. C) Diploid. D) Haploid. Show Answer Correct Answer: D) Haploid. 13. Section C-True or False:Sporopollenin is the most resistant organic material. Choose True or False. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. A ..... flower is one that has many carpels fused together (e.g. Brinjal). A) Apocarpous. B) Multicarpellary. C) Syncarpous. D) Unicarpellary. Show Answer Correct Answer: C) Syncarpous. 15. Select the incorrect option w.r.t. endospermic seeds A) Wheat. B) Pea. C) Castor. D) Coconut. Show Answer Correct Answer: B) Pea. 16. The true embryo develops as a result to fusion of A) Two polar nuclei of embryo sac. B) Egg cell and male gamete. C) Synergid and male gamete. D) Male gamete and antipodals. Show Answer Correct Answer: B) Egg cell and male gamete. 17. Mark the odd one out in the following group: A) Mango. B) Apple. C) Strawberry. D) Cashew. Show Answer Correct Answer: D) Cashew. 18. The underground part that absorbs water and minerals from soil. A) Leaves. B) Stem. C) Petals. D) Roots. Show Answer Correct Answer: D) Roots. 19. During the anther development, which is the structure formed from the cells of the sporogenous tissue undergoing meiotic divisions? A) Microsporangium. B) Pollen grain. C) Microspore tetrads. D) Pollen sacs. Show Answer Correct Answer: C) Microspore tetrads. 20. The gynoecium of Michelia is A) Monocarpellary. B) Multicarpellary, apocarpous. C) Multicarpellary, syncarpous. D) Bicarpellary, syncarpous. Show Answer Correct Answer: B) Multicarpellary, apocarpous. 21. ..... tissue is responsible for producing pollen grains in microsporangia. A) Endothecium. B) Tapetum. C) Epidermis. D) Sporogenous. Show Answer Correct Answer: D) Sporogenous. 22. Anther of an angiosperm is bilobed, tetragonal and consist of ..... microsporangia. A) Two. B) Three. C) Four. D) Only one. Show Answer Correct Answer: C) Four. 23. Which one of the following fruit is parthenocarpic A) Brinjal. B) Apple. C) Jackfruit. D) Banana. Show Answer Correct Answer: D) Banana. 24. What is the process called when male and female gametes meet and combine to produce offspring. A) Germination. B) Pollination. C) Photosynthesis. D) Fertilisation. Show Answer Correct Answer: D) Fertilisation. 25. Amorphophallus and ..... shows symbiotic association A) Yucca moth. B) Honey bee. C) Butterfly. D) Humming bird. Show Answer Correct Answer: A) Yucca moth. ← 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