This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How does metal uptake by plants in dry soil get influenced? A) By the type of soil. B) By the amount of water. C) By the temperature. D) By the light exposure. Show Answer Correct Answer: A) By the type of soil. 2. The function of the companion cell in mature phloem tissue is that it A) Provides structural support for the sieve tubes. B) Actively moves sucrose out of neighbouring photosynthesizing cells to sieve tubes. C) Moves sucrose against a concentration gradient into the xylem. D) Contains a nucleus needed for cell division of the sieve tube elements. Show Answer Correct Answer: B) Actively moves sucrose out of neighbouring photosynthesizing cells to sieve tubes. 3. What is translocation? A) The transport of food in the phloem tissues. B) The transport of food in the xylem tissues. C) The transport of water in the phloem tissues. D) The transport of water in the xylem tissues. Show Answer Correct Answer: A) The transport of food in the phloem tissues. 4. ..... are generally moved by a mass or bulk flow system. A) Water and minerals. B) Water and organic molecule. C) Water, minerals and food. D) Only water. Show Answer Correct Answer: C) Water, minerals and food. 5. How is the column of water pulled up through the xylem? A) Capillary action only. B) Active transport. C) Transpiration pull with cohesion between water molecules. D) Root pressure only. Show Answer Correct Answer: C) Transpiration pull with cohesion between water molecules. 6. What is the direction of transport in xylem? A) Upwards only. B) Downwards only. C) Both upwards and downwards. D) Sideways. Show Answer Correct Answer: A) Upwards only. 7. Xylem vessel elements are strengthened by A) Lignin. B) Cellulose. C) Melanin. D) Pericycle. Show Answer Correct Answer: A) Lignin. 8. Which of the following criteria does not pertain to facilitated transport? A) High selectivity. B) Transport saturation. C) Uphill transport. D) Requirement of special membrane proteins. Show Answer Correct Answer: C) Uphill transport. 9. Why is it important for organic materials to flow both up and down the plant? A) To protect the roots from pests. B) To supply nutrients to growing and storage regions. C) To balance photosynthesis and respiration. D) To evenly distribute water. Show Answer Correct Answer: B) To supply nutrients to growing and storage regions. 10. The casparian strip prevents water and minerals from entering the stele through the- A) Plasmodesmata. B) Apoplast. C) Symplast. D) Xylem vessel. Show Answer Correct Answer: B) Apoplast. 11. Sucrose is transported from the stem to the leaf during translocation. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 12. True or false?:companion cell does have a nucleus A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 13. The green substance in plant that makes it possible for them to make food from sunlight, carbon dioxide, and water A) Xylem. B) Phloem. C) Chlorophyll. D) Lignin. Show Answer Correct Answer: C) Chlorophyll. 14. Translocation refers to the movement of water through a plant. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 15. Humans cannot make their own food, what are they called? A) Autotrophs. B) Producers. C) Heterotrophs. D) Herbivores. Show Answer Correct Answer: C) Heterotrophs. 16. All events below occurs in sink tissue, except A) Water potential increases. B) Water enters sieve elements from xylem. C) Higher(+ve) solute potential. D) Phloem turgor pressure decrease. Show Answer Correct Answer: B) Water enters sieve elements from xylem. 17. The Casparian strip blocks the symplastic pathway of water movement in plants. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. What is the stomata in plants? A) Large pores in the leaves. B) The green pigment. C) The chloroplast. D) Tiny pores in the leaves. Show Answer Correct Answer: D) Tiny pores in the leaves. 19. What happens to the water potential in mesophyll cells near stomata during transpiration? A) It increases. B) It decreases. C) It remains the same. D) It becomes zero. Show Answer Correct Answer: B) It decreases. 20. Berikut ialah ciri-ciri X:Membenarkan pertukaran gas ke dalam dan luar daun semasa fotosintesis dan respirasi. Membebaskan wap air ke persekitaran semasa transpirasi.Apakah stuktur X? A) Xilem. B) Floem. C) Stoma. D) Sel pengawal. Show Answer Correct Answer: C) Stoma. 21. Which of the following is an adaptation of a xerophyte? A) Reduced roots. B) Hairy leaves. C) Many stomata. D) Thin cuticle. Show Answer Correct Answer: B) Hairy leaves. 22. Wall of xylem veseel is covered with A) Wax. B) Stoma. C) Pit. D) Lignin. Show Answer Correct Answer: D) Lignin. 23. Why is the lamina of a leaf usually thin and flat? A) Prevents damage of chlorophyll in cells by excess light. B) Speeds up the rate at which $CO_2$. C) Enables sunlight to reach more guard cells. D) Prevents leaf from being too heavy. Show Answer Correct Answer: B) Speeds up the rate at which $CO_2$. 24. Phloem tissue is adapted by having no nucleus and little cytoplasm so that ..... A) There is more room for the central channel. B) Liquids can flow from one cell to the next. C) So there is lots of energy. D) None of the above. Show Answer Correct Answer: A) There is more room for the central channel. 25. The phloem fibers are A) Dead sclerenchyma. B) Living sclerenchyma. C) All the above. D) None of the above. Show Answer Correct Answer: A) Dead sclerenchyma. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 11 Transport In Plants Quiz 1Class 11 Biology Chapter 11 Transport In Plants Quiz 2Class 11 Biology Chapter 11 Transport In Plants Quiz 3Class 11 Biology Chapter 11 Transport In Plants Quiz 4Class 11 Biology Chapter 11 Transport In Plants Quiz 5Class 11 Biology Chapter 11 Transport In Plants Quiz 6Class 11 Biology Chapter 11 Transport In Plants Quiz 7Class 11 Biology Chapter 11 Transport In Plants Quiz 8Class 11 Biology Chapter 11 Transport In Plants Quiz 9Class 11 Biology Chapter 11 Transport In Plants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books