This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Where does the majority of the water evaporate from during transpiration? A) Outer surface of the epidermis. B) The surface of palisade mesophyll. C) The surface of spongy mesophyll. D) Inside guard cells. Show Answer Correct Answer: C) The surface of spongy mesophyll. 2. It is a hallow muscular organ that pump out blood A) Lungs. B) Heart. C) Blood Vessels. D) Brain. Show Answer Correct Answer: B) Heart. 3. Phloem transport substances in both upward and downward directions. True or false. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. What plant tissue transports food (glucose) throughout the plant? A) Roots. B) Leaves. C) Phloem. D) Xylem. Show Answer Correct Answer: C) Phloem. 5. Which of the following is true about phloem? A) Phloem is made of dead cells. B) Phloem transports sugars from the leaves to other parts of the plant. C) Phloem transports water and minerals from the roots to the leaves. D) Phloem only transports water. Show Answer Correct Answer: B) Phloem transports sugars from the leaves to other parts of the plant. 6. The main photosynthetic organs in plants are the roots. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. The food made by the leaves is transported to other parts by: A) Roots. B) Xylem. C) Stomata. D) Phloem. Show Answer Correct Answer: D) Phloem. 8. Most stomata are usually found in underside of leaves. Why? A) Conserve water. B) Get more CO2. C) Prevent infection. D) None. Show Answer Correct Answer: A) Conserve water. 9. Where do endodermal cells release water and minerals for transport to the xylem? A) Into the cytoplasm. B) Into the cell walls. C) Into the soil. D) Into the phloem. Show Answer Correct Answer: B) Into the cell walls. 10. Transport of photosynthetic products from leaves to other parts of the plant via the phloem. A) Transpiration. B) Translocation. C) All the above. D) None of the above. Show Answer Correct Answer: B) Translocation. 11. Which is true about active transport? A) It requires energy. B) It does not require energy. C) It moves substances down the concentration gradient. D) It moves material from high to low concentration. Show Answer Correct Answer: A) It requires energy. 12. Translocation occurs in phloem tubes. Aphids feed on the contents of phloem tubes.What type of food would be lacking in their diet? A) Amino acids. B) Fat. C) Sucrose. D) Water. Show Answer Correct Answer: B) Fat. 13. Phloem transports water and inorganic ions from the roots to all parts of the plant. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 14. Increasing light intensity increases the rate of water loss from a plant, A) Because water molecules move faster. B) Because the air moves water molecules away from the leaf faster, making it easier for more water molecules to move out of the leaf. C) Because stomata open wider. This allows water molecules to leave the leaf faster. D) None of the above. Show Answer Correct Answer: C) Because stomata open wider. This allows water molecules to leave the leaf faster. 15. What is the form of sugar being move to companion cells? A) Glucose. B) Maltose. C) Sucrose. D) Starch. Show Answer Correct Answer: C) Sucrose. 16. What is the function of companion cells in phloem? A) Distributing water and minerals taken by the roots. B) Transporting manufactured food like sucrose and amino acids. C) Providing structural support to the plant. D) Storing glucose produced during photosynthesis. Show Answer Correct Answer: B) Transporting manufactured food like sucrose and amino acids. 17. Name the innermost layer of the artery. A) Lumen. B) Collagen fibre. C) Endothelium. D) Epithelium. Show Answer Correct Answer: C) Endothelium. 18. The direction of water along with dissolved minerals in xylem is A) Bidirectional. B) Multidirectional. C) From shoot to roots. D) From roots to shoot. Show Answer Correct Answer: D) From roots to shoot. 19. Roots absorb water by the process of A) Pressure. B) Active transport. C) Osmosis. D) Diffusion. Show Answer Correct Answer: C) Osmosis. 20. When a plant cell is placed in a hypotonic solution, which of the following occurs? A) The cell takes up water and eventually bursts. B) The cell takes up water until the osmotic potential equals the pressure potential of the cell. C) Plasmolysis occurs. D) Nothing occurs. Show Answer Correct Answer: B) The cell takes up water until the osmotic potential equals the pressure potential of the cell. 21. Which of the following processes is/are involved in the loss of water from the leaves of plants?1. diffusion2. osmosis3. condensation4. evaporation A) 1 and 3. B) 1 only. C) 4 only. D) 1 and 4. Show Answer Correct Answer: D) 1 and 4. 22. What is the definition of Transportation A) The process in which substances absorbed or synthesized in one part of the plant remain stationary. B) The process if plants making its own food. C) The process in which substances absorbed or synthesized in one part of the plant are moved to other parts of the plant. D) None of the above. Show Answer Correct Answer: C) The process in which substances absorbed or synthesized in one part of the plant are moved to other parts of the plant. 23. Mineral ions cannot enter the roots through diffusion. They are absorbed through A) Passive transport. B) Active transport. C) Osmosis. D) None of the above. Show Answer Correct Answer: B) Active transport. 24. Two main vascular bundles are the xylem and phloem. Food substances travel in the ..... and water and salts are mainly conducted in the ..... A) Xylem; phloem. B) Phloem; xylem. C) Vessels; sieve tubes. D) Vascular bundles:vessels. Show Answer Correct Answer: B) Phloem; xylem. 25. Carrot-the food we eat is from what part of the plant A) Root. B) Leaves. C) Stem. D) Flower. Show Answer Correct Answer: A) Root. ← 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