This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 26 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The main function of the xylem in plants is (a) A) A. Transport of water and minerals. B) Transport of food. C) Storage of water. D) Photosynthesis. Show Answer Correct Answer: A) A. Transport of water and minerals. 2. What is the mutual attraction between water molecules called? A) Transpiration Pull. B) Cohesion. C) Root Pressure. D) Adhesion. Show Answer Correct Answer: B) Cohesion. 3. Adaptation to reduce transpiration A) Broader leaves. B) Absence of cuticle. C) More stomata. D) Narrow leaves. Show Answer Correct Answer: D) Narrow leaves. 4. On a dry, Sunny day, how does water vapour move through the stomata of a leaf? A) Into the leaf by diffusion. B) Into the leaf by respiration. C) Out of the leaf by diffusion. D) Out of the leaf by respiration. Show Answer Correct Answer: C) Out of the leaf by diffusion. 5. ..... carry blood at high pressure and ..... carry blood at low pressure. A) Arteries; veins. B) Capillaries; veins. C) Veins; arteries. D) Veins; capillaries. Show Answer Correct Answer: A) Arteries; veins. 6. The conducting system consists of A) Xylem and Xylem parenchyma. B) Phloem and Phloem parenchyma. C) Xylem and Phloem. D) None of the above. Show Answer Correct Answer: C) Xylem and Phloem. 7. Which of the following statements is true according to the mass (pressure) flow hypothesis? A) Sucrose is moved in the phloem against a concentration gradient. B) The loading of sugars into the phloem in the leaf is achieved by osmosis. C) A source is a site where sugars are utilized, while a sink is a site where sugars are produced. D) Water is actively transported from the intercellular spaces into the cell sap at the root end of the system. Show Answer Correct Answer: A) Sucrose is moved in the phloem against a concentration gradient. 8. What is the process in which plants make their food A) Blood vessels. B) Photosynthesis. C) All the above. D) None of the above. Show Answer Correct Answer: B) Photosynthesis. 9. Where does translocation occur in plants? A) Xylem. B) Roots. C) Phloem. D) Leaves. Show Answer Correct Answer: C) Phloem. 10. Which statement best describes the driving force creating a water potential gradient in leaves? A) Capillary action raises water potential of stomata. B) Transpiration lowers water potential in leaf tissues. C) Photosynthesis raises water potential in mesophyll. D) Root pressure increases xylem solute concentration. Show Answer Correct Answer: B) Transpiration lowers water potential in leaf tissues. 11. What happens first during translocation in the phloem? A) Water enters the sieve tubes by osmosis. B) Sucrose enters the sieve tubes by active transport. C) Water leaves the sieve tubes by osmosis. D) Sucrose leaves the sieve tubes by active transport. Show Answer Correct Answer: B) Sucrose enters the sieve tubes by active transport. 12. What is significance of transpiration? A) Creates suction force. B) Helps in distribution of water and nutrients. C) Cooling effect for plants. D) All of the above. Show Answer Correct Answer: D) All of the above. 13. Xylem tissues provide mechanical support because it has ..... A) Pits. B) Companion cells. C) Lignin thickening cell wall. D) Mitochondria. Show Answer Correct Answer: C) Lignin thickening cell wall. 14. Which of the following forms of soil-water is commonly absorbed by plants? A) Hygroscopic water. B) Capillary water. C) Gravitational water. D) Free water. Show Answer Correct Answer: B) Capillary water. 15. Identify the process that involves the absorption of water by the roots of a plant A) Active transport. B) Osmosis. C) Diffusion. D) Endocytosis. Show Answer Correct Answer: B) Osmosis. 16. In the phloem, nutrients flow. Which way does the blood nutrient flow within the phloem? A) Up to the leaves only (like a one-way street). B) From the roots up to the leaves (like a one-way street). C) From the apical meristem down to the roots (like a one-way street). D) Up to the leaves and down to the roots (like a two-way street). Show Answer Correct Answer: D) Up to the leaves and down to the roots (like a two-way street). 17. Which of the following is not an adaptive feature of companion cells? A) Presence of large amounts of mitochondria. B) Presence of large amounts of lysosomes. C) Presence of large amounts of transport proteins. D) Presence of plasmodesmata links. Show Answer Correct Answer: B) Presence of large amounts of lysosomes. 18. Water movement through cellulose cell wall without entering protoplast of root cells is called A) Symplast pathway. B) Vacuolar pathway. C) Apoplast pathway. D) Cellulose pathway. Show Answer Correct Answer: C) Apoplast pathway. 19. As urine is excreted, muscle contractions of the urinary bladder will cause the urine to pass into the A) Ureter. B) Glomerulus. C) Urethra. D) Bowman's capsule. Show Answer Correct Answer: C) Urethra. 20. Which part of the plant is primarily responsible for the uptake of water and minerals from the soil? A) Leaves. B) Roots. C) Stem. D) None of the above. Show Answer Correct Answer: B) Roots. 21. The scientific name of a white blood cell A) Thrombocyte. B) Erythrocyte. C) Leukocyte. D) Osteocyte. Show Answer Correct Answer: C) Leukocyte. 22. Which of the following sentence shows correct relation between xylem structure and function? A) Xylem transport water up and down so that every plant organ get enough water. B) Xylem consists of living cell so water transport can be faster. C) Xylem cell wall is lignified so that it will not easily collapse. D) Xylem located outside of the phloem so that water can enter it in shorter way. Show Answer Correct Answer: C) Xylem cell wall is lignified so that it will not easily collapse. 23. In which state does water diffuse out of the leaf? A) Gas. B) Liquid. C) Solid. D) Aqueous solution. Show Answer Correct Answer: A) Gas. 24. A plant cell attains turgidity due to A) Electrolysis. B) Exosmosis. C) Plasmolysis. D) Endosmosis. Show Answer Correct Answer: D) Endosmosis. 25. More water is lost from which part of the plant? A) Upper surface of leaf. B) Flowers. C) Stem. D) Lower surface of leaf. Show Answer Correct Answer: D) Lower surface of leaf. ← 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