This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How does temperature affect the rate of water transport in plants? A) Temperature increases the rate of water transport in plants by enhancing transpiration and reducing water viscosity. B) Higher temperatures increase water viscosity, slowing transport. C) Temperature has no effect on water transport in plants. D) Temperature decreases transpiration rates, reducing water movement. Show Answer Correct Answer: A) Temperature increases the rate of water transport in plants by enhancing transpiration and reducing water viscosity. 2. What is the role of adhesion in the cohesion-tension mechanism? A) It helps water molecules stick to the xylem walls. B) It helps water molecules stick to each other. C) It increases the water potential in the xylem. D) It prevents water loss through stomata. Show Answer Correct Answer: A) It helps water molecules stick to the xylem walls. 3. This protein produces the red color your RBCs have. A) Hemoglobin. B) Chlorophyll. C) Pepsin. D) Antibody. Show Answer Correct Answer: A) Hemoglobin. 4. What happens to the transpiration rate as the temperature increases? A) It decreases. B) It stays the same. C) It increases. D) None of the above. Show Answer Correct Answer: C) It increases. 5. What process is used by plants to take in water from soil to roots? A) Capillarity. B) Osmosis. C) Diffusion. D) Active transport. Show Answer Correct Answer: B) Osmosis. 6. The functions of stomata are A) Support the plant and absorb water via osmosis. B) Store starch grains and keep water. C) Photosynthesis and respiration. D) Transpiration and gas-exchange. Show Answer Correct Answer: D) Transpiration and gas-exchange. 7. Plants absorb water from the soil with the help of ..... A) Root hairs. B) Roots. C) Root presure. D) Roat pressure. Show Answer Correct Answer: A) Root hairs. 8. What happens to the rate of transpiration if wind speed increases? A) It decreases. B) It stays the same. C) It increases. D) None of the above. Show Answer Correct Answer: C) It increases. 9. How are Root Hair Cells Specialised for their job? A) Long tail, streamlined head and a lot of mitochondria to release energy. B) Long and have branched connections. C) Long and have a lot of mitochondria to release energy for contractions. D) Big surface area. E) Long and joined end to end. Show Answer Correct Answer: D) Big surface area. 10. In the given scenario what will happen? An egg is placed in pure water for 48 hours. A) The egg will gain water and swell. B) Water will move in and out of the cell equally, and the cell with neither shrink nor swell. C) The egg will lose water and shrink. D) None of the above. Show Answer Correct Answer: A) The egg will gain water and swell. 11. What is biggest artery in a human body? A) Arteries. B) Veins. C) Capillaries. D) An aorta. Show Answer Correct Answer: D) An aorta. 12. How does an increase in humidity affect the rate of transpiration? A) Increases transpiration rate. B) Decreases transpiration rate. C) All the above. D) None of the above. Show Answer Correct Answer: B) Decreases transpiration rate. 13. What is the main function of xylem in plants? A) Producing flowers and fruits. B) Transporting water and minerals. C) Supporting the plant structure. D) Converting sunlight into energy. Show Answer Correct Answer: B) Transporting water and minerals. 14. The rate of transpiration decreases with an increase in A) Sunlight. B) Temperature. C) Humidity. D) Wind. Show Answer Correct Answer: C) Humidity. 15. Which is NOT a function of roots? A) Take in water. B) Take in nutrients. C) Anchor plant to ground. D) Make food. Show Answer Correct Answer: D) Make food. 16. Which external factor can stop the transport of phloem sap? A) High temperatures. B) Intense light. C) High humidity. D) Low temperatures. Show Answer Correct Answer: D) Low temperatures. 17. Which tissue transports water and minerals in plants? A) Xylem. B) Phloem. C) Vascular bundle. D) Root. Show Answer Correct Answer: A) Xylem. 18. What piece of equipment can we use to investigate the rate of transpiration in a plant? A) Respirometer. B) Potometer. C) Algal balls. D) None of the above. Show Answer Correct Answer: B) Potometer. 19. Sweating is the process that plants use to remove excess water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. This is the definition for which word:The flow of water into a root hair cell, up the xylem vessels and evaporation out of the leaves. A) Transpiration. B) Osmosis. C) Active transport. D) Respiration. Show Answer Correct Answer: A) Transpiration. 21. What mechanisms do plants use to absorb water and nutrients from the soil? A) Plants absorb water and nutrients from the soil through their roots using osmosis and diffusion. B) Plants absorb water and nutrients from the soil by relying solely on rainfall. C) Plants absorb water and nutrients from the soil through their leaves during photosynthesis. D) Plants absorb water and nutrients from the soil by using their flowers. Show Answer Correct Answer: A) Plants absorb water and nutrients from the soil through their roots using osmosis and diffusion. 22. The main photosynthetic organs in plants are the stems. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 23. Which of the following do plants not use water for ..... A) Photosynthesis. B) Carrying dissolved minerals. C) Respiration. D) Keeping cells rigid. Show Answer Correct Answer: C) Respiration. 24. Which of the following is true of leaf structure? A) The main site of photosynthesis is the spongy mesophyll cells. B) The lower surface has a thicker waxy cuticle than the upper surface. C) Palisade mesophyll cells are arranged far apart to create air spaces. D) The lower surface contains more stomata than the upper surface. Show Answer Correct Answer: D) The lower surface contains more stomata than the upper surface. 25. What is the role of the phloem in plants? A) Transport of water. B) Transport of sugars and other organic substances. C) Transport of minerals. D) Photosynthesis. Show Answer Correct Answer: B) Transport of sugars and other organic substances. ← 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 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 10Class 11 Biology Chapter 11 Transport In Plants Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books