This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 33 (21 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An anther consists of: A) One microsporangium. B) Four microsporangia. C) Two microsporangia. D) Many microsporangia. Show Answer Correct Answer: B) Four microsporangia. 2. At the time of pollination, how many cells are formed in the pollen grains? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 3. Which of the following are the important floral rewards to the animal pollinators? A) Colour and large size of flower. B) Nectar and pollen grains. C) Floral fragrance and calcium crystals. D) Protein pellicle and stigmatic exudates. Show Answer Correct Answer: B) Nectar and pollen grains. 4. Which cell is bigger and have abundant food reserve material in a pollen grain A) Generative cell. B) Vegetative cell. C) Vacuole. D) All of the above. Show Answer Correct Answer: B) Vegetative cell. 5. Which of the following can be a pollinator? A) Birds. B) Bees. C) Wind. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. Which of the following takes place after fertilisation? A) Zygote $\rightarrow$ testa. B) Intergument $\rightarrow$ fruit. C) Ovary $\rightarrow$ pericap. D) Ovule $\rightarrow$ seed. Show Answer Correct Answer: D) Ovule $\rightarrow$ seed. 7. In which of the two families pollens are viable for few months? A) RosaceaePoaceae. B) LeguminoseaePoaceae. C) LeguminoseaeSolanaceae. D) Rosasea Liliaceae. Show Answer Correct Answer: C) LeguminoseaeSolanaceae. 8. Name the weed species which acts as the major cause of pollen allergy in India is: A) Pistia. B) Xanthium. C) Parthenium. D) Portulaca. Show Answer Correct Answer: C) Parthenium. 9. Which of the floral parts form the pericarp after fertilisation? A) Outer integument. B) Inner untegument. C) Ovary wall. D) Nucellus. Show Answer Correct Answer: C) Ovary wall. 10. Which of the following has the least pollen viability? A) Cereals like wheat and rice. B) Members of Rosaceae. C) Members of Leguminoseae. D) Members of Solanaceae. Show Answer Correct Answer: A) Cereals like wheat and rice. 11. The prominent apertures called germ pores are present in which part of the pollen grain? A) Vegetative cell. B) Intine. C) Exine. D) Generative cell. Show Answer Correct Answer: C) Exine. 12. Wind and water pollinated flowers are A) Colourful. B) Produce nectar. C) Non-colourful. D) All of the above. Show Answer Correct Answer: C) Non-colourful. 13. The lengthwise running groove on anther which separate theca is called A) Rupture line. B) Line of dehiscence. C) Suture of anther. D) None of the above. Show Answer Correct Answer: B) Line of dehiscence. 14. In female flower stalk, of the following plant, is coiled to reach the water surface to receive the pollen grains from water currents.Name the plant A) Zostera. B) Hydrilla. C) Eichhornia. D) Vallisneria. Show Answer Correct Answer: D) Vallisneria. 15. Section C-True or False:Pollen viability is same in all species. Choose True or False. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 16. Saclike structures that produce pollen grains are ..... A) Ovules. B) Sepals. C) Anthers. D) Styles. Show Answer Correct Answer: C) Anthers. 17. What is the receptacle on a flowering plant? A) The base of the flower where the ovary is stored. B) The tip of the stamen where the pollen is produced. C) All the above. D) None of the above. Show Answer Correct Answer: A) The base of the flower where the ovary is stored. 18. An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is A) Lignin. B) Cellulose. C) Cuticle. D) Sporopollenin. Show Answer Correct Answer: D) Sporopollenin. 19. Which of the following structures are haploid? A) Ovule. B) Anther. C) Pollen. D) Ovary. Show Answer Correct Answer: C) Pollen. 20. What part of the flower is sticky and where pollen grains land? A) Style. B) Stamen. C) Ovary. D) Stigma. Show Answer Correct Answer: D) Stigma. 21. What is incorrect for generative cell? A) Floats in cytoplasm of vegetative cell. B) Having abundant food reserve. C) Spindle shaped. D) Has dense cytoplasm and a nucleus. Show Answer Correct Answer: B) Having abundant food reserve. ← PreviousRelated 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