This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The walls of the xylem vessels contains numerous pits which allow ..... movement from one xylem vessel to a neighbouring ..... vessel A) Lateral, zylem. B) Horizontal, xylem. C) Upwards, phloem. D) Lateral, phloem. Show Answer Correct Answer: D) Lateral, phloem. 2. Which component of blood is responsible for helping to stop bleeding? A) Platelets. B) Red blood cells. C) White blood cells. D) Plasma. Show Answer Correct Answer: A) Platelets. 3. If a cell is placed in a HYPOTONIC solution, water will move ..... of the cell, causing it to ..... A) Into, swell. B) Out of, shrivel. C) In and out of the cell, stay the same. D) None of the above. Show Answer Correct Answer: A) Into, swell. 4. Why do sieve tube cells have little protoplasm? A) To reduce resistance to the flow of substances in the phloem. B) To reduce energy required for transport of mineral salts. C) To increase the production of amino acids. D) None of the above. Show Answer Correct Answer: A) To reduce resistance to the flow of substances in the phloem. 5. Which two substances are transported in the phloem? A) Amino acids and protein. B) Amino acids and sucrose. C) Protein and starch. D) Starch and sucrose. Show Answer Correct Answer: B) Amino acids and sucrose. 6. Water potential gradient is A) The overall movement of solutes. B) The evaporation of water from the leaves. C) The overall movement of water. D) Pressure gradient minus water potential. Show Answer Correct Answer: C) The overall movement of water. 7. Which among the following helps in the absorption of water by roots? A) Active transport. B) Root pressure. C) Diffusion. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. Where does photosynthesis occur in the plant? A) In the stem. B) In all parts of the plant. C) In the leaves. D) In the flower. Show Answer Correct Answer: C) In the leaves. 9. What causes water to move up xylem vessels in a plant stem? A) The root hair cells use energy to move water into the roots. B) Transpiration reduces the pressure at the top of thexylem vessels. C) The water moves up the xylem vessels by osmo. D) None of the above. Show Answer Correct Answer: B) Transpiration reduces the pressure at the top of thexylem vessels. 10. What is capillary action and how does it relate to water movement in plants? A) Capillary action is the movement of water through narrow spaces in plants, driven by cohesion and adhesion, facilitating water transport from roots to leaves. B) Capillary action is the process of water evaporating from leaves. C) Capillary action refers to the absorption of nutrients by plant roots. D) Capillary action is the movement of air through plant tissues. Show Answer Correct Answer: A) Capillary action is the movement of water through narrow spaces in plants, driven by cohesion and adhesion, facilitating water transport from roots to leaves. 11. Stomata are important in a leaf because they allow for: A) Store starch. B) Water absorption only. C) Gas exchange in photosynthesis and transpiration. D) Transport of food. Show Answer Correct Answer: C) Gas exchange in photosynthesis and transpiration. 12. Transpiration is the evaporative loss of water from ..... A) Roots. B) Leaves. C) Stem. D) Both Leaves and Stem. Show Answer Correct Answer: B) Leaves. 13. What is double circulation? A) Blood passes once through the heart in a complete circuit. B) Blood passes twice through the heart in one complete circulation. C) Blood moves directly from veins to arteries. D) Blood flows once through lungs and body before returning to the heart. Show Answer Correct Answer: B) Blood passes twice through the heart in one complete circulation. 14. Where are carbohydrates made in a green leaf? A) Cell vacuoles. B) Chloroplasts. C) Phloem. D) Xylem. Show Answer Correct Answer: B) Chloroplasts. 15. Which of the following will decrease the rate of transpiration? A) High temperatures. B) Low humidity. C) A still and calm day. D) An abundance of water. Show Answer Correct Answer: C) A still and calm day. 16. When making a biological drawing, which practice is recommended? A) Keep drawings smaller than a quarter page. B) Shade areas to show depth perception. C) Use clear continuous lines without shading. D) Use colored pens for vivid detail. Show Answer Correct Answer: C) Use clear continuous lines without shading. 17. Which features of a root hair cell are adaptations for increased rate of absorption?1-lack of waxy cuticle2-large surface area to volume ratio3-cell walls without lignin deposit4-low water potential A) 1, 3 and 4. B) 2, 3 and 4. C) 1, 2, 3 and 4. D) 2 and 4. Show Answer Correct Answer: D) 2 and 4. 18. What is transported in the phloem and what is the direction of transport? A) Starch, up and down. B) Starch, up only. C) Sucrose, down and up. D) Sucrose, down only. Show Answer Correct Answer: C) Sucrose, down and up. 19. What are parts of the plant that use or store sucrose or amino acids called? A) Vessels. B) Stomata. C) Sinks. D) Sources. Show Answer Correct Answer: C) Sinks. 20. Transport of water through the xylem is- A) Active, requiring energy expenditure by the soil. B) Passive requiring no energy expenditure by the plant. C) Active requiring energy expenditure by plant. D) Passive unless the soil is very dry. Show Answer Correct Answer: B) Passive requiring no energy expenditure by the plant. 21. Which equation is the photosynthesis equation? A) C$_{6}$H$_{12}$O$_{6 }$+ O$_{2}$ $\rightarrow$ CO$_{2 }$+ H$_{2}$O. B) C$_{6}$H$_{12}$O$_{6 }$+ O$_{2 + }$CO$_{2 }$ $\rightarrow$ H$_{2}$O. C) CO$_{2 }$+ H$_{2}$O $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ O$_{2}$. D) O$_{2 }$+ CO$_{2}$ $\rightarrow$ $_{ }$H$_{2}$O + C$_{6}$H$_{12}$O$_{6}$. Show Answer Correct Answer: C) CO$_{2 }$+ H$_{2}$O $\rightarrow$ C$_{6}$H$_{12}$O$_{6 }$+ O$_{2}$. 22. How do minerals enter into plant cells?I. Active transportII. Bulk flow (with water)III. Transport by Phloem A) I only. B) I and II only. C) I, II and III. D) II and III only. Show Answer Correct Answer: B) I and II only. 23. In plant 'transpiration pull' theory for ascent of sap was first proposed by: A) Dixon. B) Dixon and Jolly. C) J. C. Bose. D) Strasburger. Show Answer Correct Answer: B) Dixon and Jolly. 24. Part of the water absorbed from the soil is lost via transpiration, some is used for photosynthesis and some used for ..... ? A) Maintaining turgidity of cells. B) Stored in fruits. C) Stored in leaves. D) Stored in stem. Show Answer Correct Answer: A) Maintaining turgidity of cells. 25. The loss of water in the form of vapour from plant leaves is called: A) Osmosis. B) Evaporation. C) Transpiration. D) Respiration. Show Answer Correct Answer: C) Transpiration. ← 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