This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 11 Transport In Plants – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 21 (44 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. 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. 4. 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. 5. Cohesive force between water molecules and adhesive force between water molecules and other molecules enable this phenomenon to occur. A) Capillary action. B) Photosynthesis. C) Float on water. D) Surface tension. Show Answer Correct Answer: A) Capillary action. 6. 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. 7. What is the force that holds water molecules together? A) Cohesion. B) Surface tension. C) Adhesion. D) Capillarity. Show Answer Correct Answer: A) Cohesion. 8. 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. 9. 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. 10. The transport of substances within the phloem is known as A) Transfusion. B) Transportation. C) Transmutation. D) Translocation. Show Answer Correct Answer: D) Translocation. 11. Identify an enzyme speeds up the conversion of Carbon (IV) oxide to weak carbonic acid. A) Carbonic anhydrase. B) Amylase. C) Catalase. D) Carbonic acid. Show Answer Correct Answer: A) Carbonic anhydrase. 12. Which one is not a function of transpiration? A) Uptake of water. B) Cooling of leaves. C) Uptake of minerals. D) Excretion of minerals. Show Answer Correct Answer: D) Excretion of minerals. 13. The water and minerals are called as sap A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Which of the following is NOT a characteristic of plants? A) Being multicellular. B) Being Eukaryotic. C) Being photosynthetic. D) No membrane bound organelles. Show Answer Correct Answer: D) No membrane bound organelles. 15. Guttation is the result of: A) Diffusion. B) Osmosis. C) Transpiration. D) Root pressure. Show Answer Correct Answer: D) Root pressure. 16. This vascular tissue carries substances from the leaves to the other parts of the plant. A) Roots. B) Phloem. C) Xylem. D) Leaves. Show Answer Correct Answer: B) Phloem. 17. Explain how you would set up the experiment to test temperature effects. A) Measure the variable of interest only at extreme temperatures. B) Conduct the experiment without any temperature control. C) Use a single sample at room temperature and observe changes over time. D) Set up multiple groups of identical samples at different temperatures and measure the variable of interest. Show Answer Correct Answer: D) Set up multiple groups of identical samples at different temperatures and measure the variable of interest. 18. Which process involves the movement of minerals from one part of a plant to another? A) Passive Transport. B) Transpiration. C) Osmosis. D) Translocation. Show Answer Correct Answer: D) Translocation. 19. This part of the transport system in plants is made up of living cells. A) Shoots. B) Xylem. C) Phloem. D) Leaves. Show Answer Correct Answer: C) Phloem. 20. Pores called ..... allow plants to exchange gases for respiration and photosynthesis. A) Cuticles. B) Palisade mesophyll. C) Stomata. D) Guard cells. Show Answer Correct Answer: C) Stomata. 21. Antara berikut, yang manakah BUKAN keperluan pengangkutan dalam tumbuhan? A) Mengangkut gas karbon dioksida untuk fotosintesis. B) Mengangkut mineral untuk dibekalkan kepada sel tumbuhan. C) Mengangkut nutrien organik hasil fotosintesis. D) Mengangkut air bagi menjalankan fotosintesis. Show Answer Correct Answer: A) Mengangkut gas karbon dioksida untuk fotosintesis. 22. Most of the water gets evaporated from the plants from its A) Stem. B) Roots. C) Leaves. D) Flowers. Show Answer Correct Answer: C) Leaves. 23. Transpiration is best defined as: A) Loss of water vapour from stomata. B) Uptake of water from roots. C) Evaporation of water from leaf surface. D) Movement of water through phloem. Show Answer Correct Answer: A) Loss of water vapour from stomata. 24. How is the transpiration pull generated in plants? A) Cohesion-Tension-Transpiration Pull Model. B) Adhesion. C) Root Pressure. D) Absorption of Water. Show Answer Correct Answer: A) Cohesion-Tension-Transpiration Pull Model. 25. Which statements about xylem and phloem are correct? A) Xylem transports water from roots to leaves, and phloemtransports sucrose from regions of production to regionsof storage. B) Xylem transports sucrose from leaves to roots, and phloemtransports water from roots to leaves. C) Xylem transports starch from leaves to roots, and phloemtransports sucrose from regions of storage to regions ofphotosynthesis. D) None of the above. Show Answer Correct Answer: A) Xylem transports water from roots to leaves, and phloemtransports sucrose from regions of production to regionsof storage. 26. What is it called when water sticks to water? A) Capillary Action. B) Cohesion. C) Adhesion. D) Xylem. Show Answer Correct Answer: B) Cohesion. 27. Which of the structures move minerals through the plant? A) Phloem. B) Xylem. C) Leaf. D) None of the above. Show Answer Correct Answer: B) Xylem. 28. The ions that important for controlling the guard cell in stomata? A) Nitrate ion. B) Potassium ion. C) Phosphate ion. D) Magnesium ion. Show Answer Correct Answer: B) Potassium ion. 29. Assertion:Osmotic pressure is numerically equivalent to the osmotic potential.Reason:Osmotic pressure is the negative pressure applied, while osmotic potential is positive. A) Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. B) Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion. C) Assertion is true but Reason is false. D) Both Assertion and Reason are false. Show Answer Correct Answer: C) Assertion is true but Reason is false. 30. The xylem can transport large volume of water per time because it has a wide ..... A) Lumen. B) Pit. C) Pith. D) Cross wall. Show Answer Correct Answer: A) Lumen. 31. Sinks are related to A) Stomata. B) Transport of minerals. C) Enzymes. D) Phytochrome. Show Answer Correct Answer: B) Transport of minerals. 32. What is the dependent variable in the potometer experiment? A) Temperature. B) Wind speed. C) Light intensity. D) Distance moved by the bubble. Show Answer Correct Answer: D) Distance moved by the bubble. 33. Process of Plasmolysis is- A) Always reversible. B) Always irreversible. C) Rarely reversible. D) Usually reversible. Show Answer Correct Answer: D) Usually reversible. 34. Bahagian tumbuhan yang manakah akan kehilangan banyak air semasa proses transpirasi? A) Akar. B) Batang. C) Daun. D) Ranting. Show Answer Correct Answer: C) Daun. 35. Rapid water flow necessity A) It helps plants absorb more sunlight. B) It allows plants to obtain sufficient salts from dilute soil. C) It increases the rate of photosynthesis in plants. D) It reduces the need for mineral uptake. Show Answer Correct Answer: B) It allows plants to obtain sufficient salts from dilute soil. 36. Xylem is a long, hollow tube without any protoplasm to provide mechanical support to the plant. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 37. Which process pulls the water from tips of roots to the tips of leaves A) Transpiration. B) Precipitation. C) Evaporation. D) Condensation. Show Answer Correct Answer: A) Transpiration. 38. Roots take water by the process of A) Absorption. B) Osmosis. C) Water potential. D) Diffusion. Show Answer Correct Answer: D) Diffusion. 39. By which process is water lost from a leaf? A) B diffusion. B) D photosynthesis. C) C osmosis. D) A active transport. Show Answer Correct Answer: A) B diffusion. 40. Guttation is most commonly observed under condition of- A) High atmospheric humidity and plentiful soil water. B) Low atmospheric humidity and little soil water. C) High atmospheric humidity but little soil water. D) Low atmospheric humidity but plentiful soil water. Show Answer Correct Answer: A) High atmospheric humidity and plentiful soil water. 41. Which carbohydrate is transported in phloem? A) Sucrose. B) Amino acids. C) Glucose. D) None of the above. Show Answer Correct Answer: A) Sucrose. 42. True or Fase:transpiration increases as wind speed decreases A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 43. The excretory system rids the body of ..... waste. A) Solid. B) Liquid. C) All the above. D) None of the above. Show Answer Correct Answer: B) Liquid. 44. Where are the xylem and phloem located in the stem? A) In the bark. B) In the middle. C) Around the edge. D) In the vascular bundle. Show Answer Correct Answer: D) In the vascular bundle. ← PreviousRelated QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books