This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When stomata open the pH of guard cells A) Increases. B) Decrease. C) Remains same. D) Both 1 and 2. Show Answer Correct Answer: A) Increases. 2. Transpiration supplies water for photosynthesis. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. What could increase the rate of water uptake by a shoot? A) Covering the shoot with a black plastic bag. B) Covering the shoot with a clear plastic bag. C) Removing the leaves from the shoot. D) Shining a bright light onto the shoot. Show Answer Correct Answer: D) Shining a bright light onto the shoot. 4. Most stomata are usually found on the underside of leaves. Why? A) Conserve water. B) Get more CO2. C) Prevent infection. D) None. Show Answer Correct Answer: A) Conserve water. 5. Waxy covering of leaves A) Cuticle. B) Epidermis. C) Endodermis. D) Pericycle. Show Answer Correct Answer: A) Cuticle. 6. The transport of molecules across a membrane that does not require energy. A) Active transport. B) Passive transport. C) All the above. D) None of the above. Show Answer Correct Answer: B) Passive transport. 7. What should be kept constant in the potometer experiment to ensure valid results? A) Humidity. B) Wind speed. C) Temperature. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. What is a 'source' in translocation? A) Part of the plant where sucrose is stored. B) Part that absorbs water. C) Part that releases sucrose or amino acids. D) Part that absorbs carbon dioxide. Show Answer Correct Answer: C) Part that releases sucrose or amino acids. 9. Which of the atmospheric factor act as anti transpirant A) SO2. B) CO. C) CO2. D) All pollutant gases. Show Answer Correct Answer: C) CO2. 10. Which plant tissue is made up of dead, hollow, and elongated cells? A) Phloem. B) Parenchyma. C) Xylem vessels. D) Collenchyma. Show Answer Correct Answer: C) Xylem vessels. 11. Proses pengangkutan hasil fotosintesis daripada daun ke seluruh bahagian tumbuhan dikenali sebagai ..... A) Pindah silang. B) Translokasi. C) Gutasi. D) Pengangkutan aktif. Show Answer Correct Answer: B) Translokasi. 12. Harper is conducting an experiment in her garden to understand the relationship between the number of stomata on plant leaves and the rate of transpiration. What does she find? A) More stomata lead to faster transpiration. B) Stomata have no effect on transpiration. C) Fewer stomata lead to faster transpiration. D) More stomata lead to slower transpiration. Show Answer Correct Answer: A) More stomata lead to faster transpiration. 13. Which type of cells in the plant's phloem are responsible for the transport of sugars? A) Root hairs. B) Xylem cells. C) Sieve tube elements. D) Guard cells. Show Answer Correct Answer: C) Sieve tube elements. 14. Osmosis is diffusion of A) Solute. B) Free energy. C) Water. D) Solute and solvent. Show Answer Correct Answer: C) Water. 15. Which of the following is not a type of transpiration? A) Lenticular transpiration. B) Cuticular transpiration. C) Stomata. D) Stomatal transpiration. Show Answer Correct Answer: C) Stomata. 16. Multidirectional flow of a variety of organic and inorganic solutes occurs through- A) Xylem. B) Vascular tissue. C) Phloem. D) Root. Show Answer Correct Answer: C) Phloem. 17. How does water move from the soil to the root hair cells? A) Active transport. B) Osmosis. C) Diffusion. D) Transpiration. Show Answer Correct Answer: B) Osmosis. 18. Which force helps to pull water up the stem during transpiration? A) Gravity. B) Transpiration pull. C) Diffusion gradient. D) None of the above. Show Answer Correct Answer: B) Transpiration pull. 19. Which process helps pull water up through the plant as it evaporates from the leaves? A) Photosynthesis. B) Transpiration. C) Respiration. D) Germination. Show Answer Correct Answer: B) Transpiration. 20. Which one is highly selective? A) Simple diffusion and Active transport. B) Active transport and facilitated diffusion. C) Simple diffusion and facilitated diffusion. D) Active transport and passive transport. Show Answer Correct Answer: B) Active transport and facilitated diffusion. 21. Which of the following transport mechanisms shows saturation of transport but does not show uphill transport? A) Simple diffusion. B) Active transport. C) Facilitated diffusion. D) Both simple and facilitated diffusion. Show Answer Correct Answer: C) Facilitated diffusion. 22. During diffusion A) Substances (things) moves from high to low concentration. B) Water moves when energy is used. C) Large or oddly shaped molecules move across a cell membrane. D) Water moves from high to low concentration. Show Answer Correct Answer: A) Substances (things) moves from high to low concentration. 23. Transport of organic and inorganic materials is- A) Unidirectional. B) Multidirectional. C) Bidirectional. D) First undirectional then bidirectional. Show Answer Correct Answer: B) Multidirectional. 24. Which of the following explains why having sunken stomata reduces the rate of transpiration? A) Less water molecules blown away gives a lower concentration gradient. B) More water molecules blown away gives a lower concentration gradient. C) Less water molecules blown away gives a higher concentration gradient. D) More water molecules blown away gives a higher concentration gradient. Show Answer Correct Answer: A) Less water molecules blown away gives a lower concentration gradient. 25. The continuous influx of water from the soil causes an upward force that develops in the roots. A) Capillarity. B) Transpiration pull. C) Osmosis. D) Root pressure. Show Answer Correct Answer: D) Root pressure. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books