This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 48 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 48 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Xylem helps to transport ..... A) Water and mineral salts. B) Food manufactured by the plant. C) Air. D) None of the above. Show Answer Correct Answer: A) Water and mineral salts. 2. A student measures the mass of a potted plant before and after placing it under a fan for several hours. The mass decreases. What is the best explanation? A) The plant used up food through respiration. B) The fan increased water absorption. C) The fan increased transpiration rate, causing water loss. D) The plant grew in height. Show Answer Correct Answer: C) The fan increased transpiration rate, causing water loss. 3. What is the name of the process by which water is lost from the leaves of a plant? A) Evaporation. B) Condensation. C) Transpiration. D) Photosynthesis. Show Answer Correct Answer: C) Transpiration. 4. In Mia's garden, what is a source in the context of plant transport? A) A part that uses sucrose. B) A part that stores water. C) A part that produces sucrose. D) A part that absorbs nutrients. Show Answer Correct Answer: C) A part that produces sucrose. 5. Plants primarily obtain their organic molecules through transpiration. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 6. What is the name of the process by which sugars are transported from the leaves to other parts of the plant? A) Transpiration. B) Respiration. C) Translocation. D) Photosynthesis. Show Answer Correct Answer: C) Translocation. 7. The loss of water vapour from the leaves of a plant. A) Transpiration. B) Evaporation. C) Translocation. D) Photosynthesis. Show Answer Correct Answer: A) Transpiration. 8. What is the purpose of lignin? A) To provide structure for xylem cells. B) To provide structure for phloem cells. C) To open and close the stomata. D) To increase surface area. Show Answer Correct Answer: A) To provide structure for xylem cells. 9. What is the function of xylem in plants? 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: A) Distributing water and minerals taken by the roots. 10. Which part of the onion do we eat? A) Root. B) Stem. C) Leaves. D) Flower. E) Fruit. Show Answer Correct Answer: C) Leaves. 11. Hairs on the inner epidermis of xerophytes reduce air-flow and trap moist air. They are called: A) Sunken stomata. B) Trichomes. C) Spikes. D) Projections. Show Answer Correct Answer: B) Trichomes. 12. The walls of the mesophyll cells are dry, and no water evaporates into the air space within the leaf. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. What is the food made during photosynthesis converted into? A) Glucose. B) Sucrose. C) Fructose. D) Starch. Show Answer Correct Answer: B) Sucrose. 14. ..... is the process where water evaporates from the leaves, creating a pulling force for water to move upward. A) Photosynthesis. B) Transpiration. C) Respiration. D) Germination. Show Answer Correct Answer: B) Transpiration. 15. Which of the following BEST describes how water move to leaves.I-turgor pressure II-capillarity III-transpiration A) I, II, III. B) I only. C) I and III only. D) II only. Show Answer Correct Answer: A) I, II, III. 16. Phloem tissue contains dead, empty hollow cells. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 17. High wind speed causes a greater rate of transpiration because ..... A) The wind removes water vapour from the air around the leaves maintaining the concentration gradient for diffusion. B) Wind gives the gases in the air more KE. C) Water vapour can get blown back inside the leaves through the stomata. D) None of the above. Show Answer Correct Answer: A) The wind removes water vapour from the air around the leaves maintaining the concentration gradient for diffusion. 18. Evaporation of water from leaves is important as A) It cools the leaves and helps water to move up the plant. B) It makes the plant wilt. C) It helps the plant to respire. D) None of the above. Show Answer Correct Answer: A) It cools the leaves and helps water to move up the plant. 19. What is one major difference between passive and active transport? A) Passive transport uses energy; active transport does not. B) Both types of transport use energy. C) Active transport uses energy; passive transport does not. D) No difference. They are both the same. Show Answer Correct Answer: C) Active transport uses energy; passive transport does not. 20. Particles too large to enter the membrane ..... need help from channel proteins ..... no energy is required. A) Active transport. B) Passive transport. C) Facilitated diffusion. D) None of the above. Show Answer Correct Answer: C) Facilitated diffusion. 21. Mineral ions move from the soil into the roots by the process of? A) Osmosis. B) Diffusion. C) Active transport. D) None of the above. Show Answer Correct Answer: C) Active transport. 22. ..... involves expenditure of energy A) Osmosis. B) Active transport. C) Diffusion. D) Imbibition. Show Answer Correct Answer: B) Active transport. 23. Potato and ginger are the examples of A) Seeds. B) Stems of the plants that store food. C) Fruits. D) Roots. Show Answer Correct Answer: B) Stems of the plants that store food. 24. Which type of xylem vessel is thickened by interconnecting bars of lignin? A) Annular. B) Spiral. C) Reticulated. D) Pitted. Show Answer Correct Answer: C) Reticulated. 25. What happens during ion exchange in plant roots? A) Ions at the surface of soil particles oscillate and exchange. B) Ions are absorbed without any exchange. C) Only cations are exchanged. D) Anions cannot be exchanged. Show Answer Correct Answer: A) Ions at the surface of soil particles oscillate and exchange. ← 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