This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 44 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following structures is responsible for transporting sugars in plants? A) Xylem. B) Phloem. C) Stomata. D) Root hairs. Show Answer Correct Answer: B) Phloem. 2. Phloem tissue contains living cells with nuclei. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. What is the function of the cuticle in plants? A) To absorb sunlight for photosynthesis. B) To reduce water loss from the plant surface. C) To provide structural support to the plant. D) To transport nutrients throughout the plant. Show Answer Correct Answer: B) To reduce water loss from the plant surface. 4. Process by which plants capture sunlight to use its energy to transform carbon dioxide and water into glucose and oxygen A) Transpiration. B) Photosyntesis. C) Respiration. D) None of the above. Show Answer Correct Answer: B) Photosyntesis. 5. Water molecules pull each other up the xylem due to ..... A) Capillary action. B) Root pressure. C) Osmosis. D) Active transport. Show Answer Correct Answer: A) Capillary action. 6. True or false the sieve tubes are formed of circular cells A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. Phloem parenchyma is also known as A) Companion cells. B) Transfer cells. C) Pit cells. D) None of the above. Show Answer Correct Answer: B) Transfer cells. 8. What does xylem transport? A) Water and minerals. B) Water only. C) Sugar. D) Food. Show Answer Correct Answer: A) Water and minerals. 9. Diffusion occurs when molecule move A) From lower concentration to high concentration. B) From higher concentration to lower concentration through membrane. C) From higher concentration to lower concentration. D) When energy is used. Show Answer Correct Answer: C) From higher concentration to lower concentration. 10. What is the significance of transpiration in plants? A) Transpiration has no significance in plants. B) Transpiration helps in the absorption of water and nutrients from the soil, cools the plant, and helps in the transport of water and minerals throughout the plant. C) Transpiration only helps in the transport of water and minerals. D) Transpiration causes the plant to overheat and die. Show Answer Correct Answer: B) Transpiration helps in the absorption of water and nutrients from the soil, cools the plant, and helps in the transport of water and minerals throughout the plant. 11. If the rate of transpiration exceeds the rate of water uptake, the plant will become more turgid. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 12. What is the process by which water vapor is lost from plants to the atmosphere? A) Root pressure. B) Transpiration pull. C) Gravity. D) Stomatal opening. Show Answer Correct Answer: D) Stomatal opening. 13. When transpiration rates increase, what will happen to the cohesion tension in the xylem? A) Decreases. B) Increases. C) Stays the same. D) None of the above. Show Answer Correct Answer: B) Increases. 14. What is the best words to describe sugar source and sugar sink A) Both are plants organ and act as storage. B) Sugar sink can be either roots, fruit or mature leaves and sugar source is shoots. C) Sugar source act as site for sugar production and sugar sink will store sugar. D) Companion tube carry food from a sugar source to a sugar sink. Show Answer Correct Answer: C) Sugar source act as site for sugar production and sugar sink will store sugar. 15. What is the name given to the openings in a leaf? A) Guard Cells. B) Stomata. C) Epidermis. D) Waxy Cuticle. Show Answer Correct Answer: B) Stomata. 16. Which part of the plant is responsible for transporting water and nutrients upward? A) Phloem. B) Xylem. C) Stomata. D) Chloroplasts. Show Answer Correct Answer: B) Xylem. 17. Some liquid is collected from the xylem in the stem of a plant.What is present in the liquid? A) Cellulose. B) Inorganic ions. C) Starch. D) Sugar. Show Answer Correct Answer: B) Inorganic ions. 18. When a cell is fully turgid, which of the following is likely to be zero? A) Osmotic pressure. B) Turgor pressure. C) Water potential. D) Wall pressure. Show Answer Correct Answer: C) Water potential. 19. Why is transpiration important for plants? A) It helps in food making. B) It helps in root growth. C) It cools the plant and pulls water upward. D) It breaks down food. Show Answer Correct Answer: C) It cools the plant and pulls water upward. 20. Water is carried from roots up the plant to leaves in the ..... A) Xylem vessels. B) Phloem tissue. C) Cell walls. D) None of the above. Show Answer Correct Answer: A) Xylem vessels. 21. Which blood vessels take blood TO the heart? A) Veins. B) Arteries. C) Capillaries. D) None of the above. Show Answer Correct Answer: A) Veins. 22. To develop root pressure, energy is used to- A) Actively transport minerals into root cells. B) Evaporate water in the leaves. C) Condense water in the xylem. D) Create suction in the xylem. Show Answer Correct Answer: A) Actively transport minerals into root cells. 23. The heart is capable of contracting and relaxing rhythmically without fatigue due to special muscles called ..... A) Smooth muscles. B) Skeletal muscles. C) Cardiac muscles. D) Myogenic muscles. Show Answer Correct Answer: C) Cardiac muscles. 24. Which of the following causes the stomata to open? A) An increase in carbon dioxide in the air spaces in the leaves. B) A decrease in the turgor pressure in guard cells. C) Accumulation of water in guard cells by active transport. D) An influx of K+ into guard cells followed by water by osmosis. Show Answer Correct Answer: D) An influx of K+ into guard cells followed by water by osmosis. 25. All of the following are forces involved in the process of water transport in plants EXCEPT ..... A) Osmosis. B) Capillary action. C) Active transport. D) Transpiration pull. Show Answer Correct Answer: C) Active transport. ← 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