This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which process does translocation use? A) Active transport. B) Osmosis. C) Diffusion. D) None of the above. Show Answer Correct Answer: A) Active transport. 2. The primary function of casparian strips is to- A) Force water and minerals through the membranes of endodermal cells. B) Prevent entry into the stele solely through the apoplast. C) Provide regulation for water and minerals movement in the plants. D) All. Show Answer Correct Answer: D) All. 3. Under what conditions will the rate of transpiration be reduced? A) High humiditylow wind speed. B) Low humiditylow wind speed. C) High temperaturehigh wind speed. D) Low temperaturehigh wind speed. Show Answer Correct Answer: A) High humiditylow wind speed. 4. Hydrophilic means ..... A) Water-loving. B) Water-fearing. C) Nonpolar. D) Lipid soluble. Show Answer Correct Answer: A) Water-loving. 5. Which of these is NOT a factor affecting transpiration? A) Sunlight. B) Temperature. C) Wind. D) Leaf Type. Show Answer Correct Answer: D) Leaf Type. 6. What is the difference between dicot and monocot roots? A) Dicots have a tap root system, monocots have fibrous roots. B) Monocots have a tap root system, dicots have fibrous roots. C) Both have the same root system. D) Dicots have deeper roots than monocots. Show Answer Correct Answer: A) Dicots have a tap root system, monocots have fibrous roots. 7. The main vein running down a dicot leaf is called the A) Mid rib. B) Main vein. C) Central xylem. D) Vascular tissue. Show Answer Correct Answer: A) Mid rib. 8. Which part of the plant loses more water? A) The upper surface of the leaf. B) The lower surface of the leaf due to the presence of stomata. C) The stem of the plant. D) The roots of the plant. Show Answer Correct Answer: B) The lower surface of the leaf due to the presence of stomata. 9. Movement of sugar from source to other parts of plant is acheieved through ..... ? A) Active transport. B) Diffusion. C) Mass flow. D) Capillary action. Show Answer Correct Answer: C) Mass flow. 10. The movement of particles down in a concentration gradient (from a high concentration to a low concentration) is- A) Osmosis. B) Diffusion. C) Active transport. D) Transpiration. Show Answer Correct Answer: B) Diffusion. 11. The correct relationship between wind speed and the rate of transpiration of plants. A) As the wind speed increase, the rate oftranspiration decrease. B) As the wind speed increase, the rate oftranspiration increase. C) As the wind speed decrease the rate oftranspiration increase. D) The wind speed is not affecting the rates oftranspiration. Show Answer Correct Answer: B) As the wind speed increase, the rate oftranspiration increase. 12. What system do the xylem and phloem form? A) Nervous system. B) Conducting system. C) Transporting system. D) All of these. Show Answer Correct Answer: B) Conducting system. 13. Distinguish between xylem vessels and phloem tubes. A) Xylem transports food while phloem transports water. B) Xylem transports water while phloem transports food. C) Both transport food only. D) Both transport water only. Show Answer Correct Answer: B) Xylem transports water while phloem transports food. 14. Which of the following BEST describes translocation? A) Movement of sugar in a plant. B) Movement of organic materials through a plant. C) Movement of amino acids through a plant. D) None of the above. Show Answer Correct Answer: B) Movement of organic materials through a plant. 15. What is the main function of the xylem in plants? A) Transporting water and minerals. B) Transporting glucose. C) Photosynthesis. D) Respiration. Show Answer Correct Answer: A) Transporting water and minerals. 16. Transpiration process involves water loss from cell walls, which is replaced by drawing water from xylem vessels in the nearest vein. A) Water is lost from the leaves and replaced by drawing water from the roots. B) As a result of water loss, water is pulled through the xylem vessels and up the stem from the roots. C) Transpiration leads to the absorption of nutrients from the soil. D) Water is stored in the leaves to prevent loss during transpiration. Show Answer Correct Answer: B) As a result of water loss, water is pulled through the xylem vessels and up the stem from the roots. 17. Where do pits typically form in xylem walls? A) Locations of former plasmodesmata. B) Random breaks in lignin spirals. C) Regions with extra cellulose layers. D) Sites of nucleus attachment points. Show Answer Correct Answer: A) Locations of former plasmodesmata. 18. What role does osmosis play in water absorption? A) Osmosis facilitates the absorption of water by moving it from areas of low solute concentration into cells with higher solute concentration. B) Osmosis prevents water from entering cells with high solute concentration. C) Osmosis is the process of actively pumping water into cells regardless of solute concentration. D) Osmosis only occurs in plant cells and does not affect water absorption in animals. Show Answer Correct Answer: A) Osmosis facilitates the absorption of water by moving it from areas of low solute concentration into cells with higher solute concentration. 19. What type of cells are found in plant roots to help absorb water and minerals? A) Palisade cells. B) Spongy mesophyll cells. C) Stomata. D) Root hair cells. Show Answer Correct Answer: D) Root hair cells. 20. What is the term used to describe the movement of water from the roots to the leaves of a plant? A) Translocation. B) Transpiration. C) Evaporation. D) Active transport. Show Answer Correct Answer: B) Transpiration. 21. What is the role of companion cells in phloem tissue? A) They help in the transport of water. B) They assist in the transport of sugars and organic compounds. C) They provide structural support to the plant. D) They produce oxygen for the plant. Show Answer Correct Answer: B) They assist in the transport of sugars and organic compounds. 22. What is the definition of diffusion? A) The movement of water molecules from a dilute solution to a concentrated solution. B) The movement of only solid molecules from a lower concentration to a higher concentration. C) The movement of molecules from a lower concentration to a higher concentration. D) The movement of molecules from a higher concentration to a lower concentration. Show Answer Correct Answer: D) The movement of molecules from a higher concentration to a lower concentration. 23. Process in which food substances are moved to the rest of plant by phloem is known as A) Transpiration. B) Respiration. C) Photosynthesis. D) Translocation. Show Answer Correct Answer: D) Translocation. 24. What process allows mineral ions to move from the soil into the roots of plants? A) Diffusion. B) Osmosis. C) Active transport. D) Facilitated diffusion. Show Answer Correct Answer: C) Active transport. 25. An increase in wind or temperature will ..... transpiration A) Increase. B) Decrease. C) Not affect. D) Stop. Show Answer Correct Answer: A) Increase. ← 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