This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Evaporation (the driving force) A) The higher water potential of air causes evaporation from cell walls. B) The lower water potential of air causes evaporation from cell walls, lowering the water potential in cell walls and cytoplasm. C) Evaporation is driven by the temperature of the water. D) Evaporation occurs only in the presence of sunlight. Show Answer Correct Answer: B) The lower water potential of air causes evaporation from cell walls, lowering the water potential in cell walls and cytoplasm. 2. What is facilitated diffusion in the context of mineral transport? A) Movement of ions from soil to roots through carrier proteins. B) Active transport of minerals against concentration gradient. C) Osmosis of water into root cells. D) Passive movement of water through xylem. Show Answer Correct Answer: A) Movement of ions from soil to roots through carrier proteins. 3. Movement of water up a plant through the xylem vessels is due to? I Transipration-cohesion-tension mechanism II Root pressure III Presure flow A) I only. B) I and II only. C) II and III only. D) I, II and III. Show Answer Correct Answer: B) I and II only. 4. True or False:phloem walls are made of cellulose and lignin A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 5. Companion cells are found along with sieve tube elements in the phloem. A) FALSE. B) TRUE. C) All the above. D) None of the above. Show Answer Correct Answer: B) TRUE. 6. Vascular tissue that forms tubes that transport dissolves food throughout a plant A) Nonvascular plant. B) Xylem. C) Phloem. D) Root hair. Show Answer Correct Answer: C) Phloem. 7. Girdling experiment proves that A) Phloem is the tissue responsible for the translocation of food. B) Transport via phloem essentially takes place in one direction. C) The direction of food transport is downwards. D) All the above. Show Answer Correct Answer: D) All the above. 8. William is observing a plant in his garden on a sunny day. He notices that the leaves seem to be losing moisture. What is this process called? A) The movement of nutrients in phloem. B) The loss of water vapor from leaves. C) The process of photosynthesis. D) The absorption of water by roots. Show Answer Correct Answer: B) The loss of water vapor from leaves. 9. A botanist discovered a mutant plant that was unable to produce materials that form casparian strip. This plant would be A) Unable to transport water or solutes to the leaves. B) Unable to use its sugar as a sugar sink. C) Able to exert greater root pressure than the normal plant. D) Unable to control amounts of water and solutes it absorbs. Show Answer Correct Answer: D) Unable to control amounts of water and solutes it absorbs. 10. Cells of the xylem of dead A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. Endodermal cells differ from other cells in root. They- A) Lack symplast region. B) Have a high rate of water transport. C) Are completely surrounded by a waxy layer. D) Prevent water and ions from moving between them. Show Answer Correct Answer: D) Prevent water and ions from moving between them. 12. During a biology class, Charlotte is studying a diagram of a stem cross-section. She wonders, which color represents xylem tissue in the diagram? A) Green. B) Pink. C) Blue. D) Yellow. Show Answer Correct Answer: B) Pink. 13. Which process is not responsible for the upward movement of water in the xylem vessels? A) Capillary action. B) Root pressure. C) Transpiration pull. D) Translocation. Show Answer Correct Answer: D) Translocation. 14. The leaf has a shiny, waxy cuticle around it to A) Increase the rate of photosynthesis. B) Attract more light. C) Control water loss. D) Stop carbon dioxide and oxygen gases escaping. Show Answer Correct Answer: C) Control water loss. 15. Plants with large leaves will transpire faster than plants with smaller leaves. Which of the following explains why? A) Plant with large leaves carry more water. B) Plants with large leaves have more stomata in their lower surface. C) Plants with large leaves have more stomata per unit area. D) Plants with large leaves blow readily in the wind. Show Answer Correct Answer: C) Plants with large leaves have more stomata per unit area. 16. Which of the following carries blood away from heart? A) Vein. B) Artery. C) Capillary. D) Valve. Show Answer Correct Answer: B) Artery. 17. What is water used for in the leaves of the plant? A) Drinking. B) Respiration. C) Photosynthesis. D) Transport. Show Answer Correct Answer: C) Photosynthesis. 18. When a plasmolysed cell is placed in water or hypotonic solution, what happens? A) T.P. of cell decreases. B) T.P. of cell becomes zero. C) T.P. increases. D) Water potential of cell decreases. Show Answer Correct Answer: B) T.P. of cell becomes zero. 19. Guard cells change shape and open the stomata as they become A) Flacid. B) Turgid. C) Larger. D) Smaller. Show Answer Correct Answer: B) Turgid. 20. The ions that important for producing chlorophylls? A) Potassium ion. B) Nitrate ion. C) Phosphate ion. D) Magnesium ion. Show Answer Correct Answer: D) Magnesium ion. 21. Factors affecting the rate of diffusion are-I. Gradient of concentrationII. Permeability of the membraneIII. TemperatureIV. PressureV. Size of diffusing material A) I, III and V are correct. B) I and V are correct. C) I, II, III, IV, V are correct. D) Only V is correct. Show Answer Correct Answer: C) I, II, III, IV, V are correct. 22. By which of the following processes do water molecules enter into the plant? A) Osmosis. B) Active transport. C) Diffusion. D) Transpiration. Show Answer Correct Answer: A) Osmosis. 23. True or false:A xylem vessel has many cross-walls A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. Mass or bulk flow of substance is called- A) Active transport. B) Translocation. C) Diffusion. D) Facilitated diffusion. Show Answer Correct Answer: B) Translocation. 25. In symplastic pathway water moves from cell to cell through A) Plasmodesmata. B) Cell walls. C) Stomata. D) None. Show Answer Correct Answer: A) Plasmodesmata. ← 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