This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 50 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 50 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does it mean that a cell membrane is semi-permeable? A) It allows all substances in. B) It allows some substances in. C) It allows nothing in. D) None of the above. Show Answer Correct Answer: B) It allows some substances in. 2. An example of adhesion is A) Water molecules sticking to each other. B) Water molecules sticking to cellulose in xylem walls. C) Magnets sticking to a metal wall. D) Gravity pulling water down. Show Answer Correct Answer: B) Water molecules sticking to cellulose in xylem walls. 3. What does the xylem transport in a plant? A) Water and dissolved sugars. B) Water and dissolved mineral salts. C) Water only. D) Sugars and other nutrients. Show Answer Correct Answer: B) Water and dissolved mineral salts. 4. Which of the following is correct about symplast? A) Living continuum. B) Cell wall and intercellular space. C) Non-Living continuum. D) None of these. Show Answer Correct Answer: A) Living continuum. 5. Which part of the plant provides water and minerals to the xylem? A) Root. B) Leaf. C) Stem. D) Bark. Show Answer Correct Answer: A) Root. 6. Which of the following is not an important use of water in plants? A) To maintain turgor. B) For photosynthesis. C) To keep cool. D) For cell division. Show Answer Correct Answer: D) For cell division. 7. How do water and mineral ions enter a plant? A) Water is by active transport in root hari cells, mineral ion is by osmosis in root hair cells. B) Water is by osmosis in root hair cells, mineral ion is by active transport in root hari cells. C) Water is through the stomata, mineral ion is through the root. D) Water is through the root, mineral ion is through the stomata. Show Answer Correct Answer: B) Water is by osmosis in root hair cells, mineral ion is by active transport in root hari cells. 8. How do root hair cells absorb water? A) By osmosis. B) By diffusion. C) By active transport. D) None of the above. Show Answer Correct Answer: B) By diffusion. 9. What are the vascular bundles? A) Xylem vessels and tracheids. B) Xylem and Phloem. C) Sieve tube elements. D) Phloem and tracheids. Show Answer Correct Answer: B) Xylem and Phloem. 10. A student collected some of the solution from the phloem in the stem of a plant. Which of the following would be present in the liquid? A) Glucose. B) Starch. C) Amino acids. D) Cellulose. Show Answer Correct Answer: C) Amino acids. 11. The air in the internal spaces of the leaf contacts the air outside the leaf through large openings called stomata. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 12. This is the definition for which word:The movement of particles against a concentration gradient (from a low to a high concentration) across a partially permeable membrane which requires energy. A) Transpiration. B) Osmosis. C) Diffusion. D) Active transport. Show Answer Correct Answer: D) Active transport. 13. A decrease in which factor normally causes transpiration rate to increase? A) Humidity. B) Light intensity. C) Stomatal opening. D) Temperature. Show Answer Correct Answer: A) Humidity. 14. The plant tissue that transport sucrose and amino acids DOWNWARD from the leaves to the rest of the pant is the ..... A) Phloem. B) Stomata. C) Chlorophyll. D) Xylem. Show Answer Correct Answer: A) Phloem. 15. The transpiration driven ascent of sap depends on which of the following physical properties of water? A) Cohesion. B) Surface tension. C) Adhesion. D) All. Show Answer Correct Answer: D) All. 16. What does phloem consist of? A) Sieve tubes, vessels, phloem parenchyma and phloem fibres. B) Sieve tubes, vessels, tracheids and companion cells. C) Seive tubes, companion cells, phloem parenchyma and phloem fibres. D) Tracheids, companion cells, phloem parenchyma and phloem fibres. Show Answer Correct Answer: C) Seive tubes, companion cells, phloem parenchyma and phloem fibres. 17. What is the role of xylem fibers in xylem tissue? A) They help in the transport of sugars and organic compounds. B) They assist in the transport of water and minerals. C) They provide structural support to the plant. D) They produce oxygen for the plant. Show Answer Correct Answer: C) They provide structural support to the plant. 18. Which vessel transports substances in both directions? A) Xylem. B) Phloem. C) All the above. D) None of the above. Show Answer Correct Answer: B) Phloem. 19. Cohesive force between water molecules and adhesive force between water molecules and other molecules enable this phenomenon to occur. A) Surface tension. B) Capillary action. C) Float on water. D) Photosynthesis. Show Answer Correct Answer: B) Capillary action. 20. Osmosis takes place across a semi-permeable membrane. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. What is the force that holds water molecules together? A) Capillarity. B) Cohesion. C) Adhesion. D) Surface tension. Show Answer Correct Answer: B) Cohesion. 22. Cohesion (in xylem) A) Cohesion holds water columns together in capillary-sized xylem elements. B) Cohesion prevents water from evaporating from leaves. C) Cohesion allows nutrients to be absorbed by roots. D) Cohesion is the process of water moving against gravity. Show Answer Correct Answer: A) Cohesion holds water columns together in capillary-sized xylem elements. 23. Which of these factors reduce the rate of transpiration? A) High temperature. B) Wind. C) High humidity. D) None of the above. Show Answer Correct Answer: C) High humidity. 24. The transport of substances within the phloem is known as A) Translocation. B) Transfusion. C) Transportation. D) Transmutation. Show Answer Correct Answer: A) Translocation. 25. Identify an enzyme speeds up the conversion of Carbon (IV) oxide to weak carbonic acid. A) Carbonic acid. B) Catalase. C) Amylase. D) Carbonic anhydrase. Show Answer Correct Answer: D) Carbonic anhydrase. ← 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