This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What BEST defines adhesion. A) Water molecules bonding to each other due to the hydrophobic nature of water. B) Water molecules bonded to other other surfaces due to the transparency of water. C) Water molecules sticking to each other due to the polarity of water. D) Water molecules sticking to other surfaces due to the polarity of water. Show Answer Correct Answer: D) Water molecules sticking to other surfaces due to the polarity of water. 2. In xylem, there are gaps within the lignin called ..... These allow surrounding cells to be supplied with water. A) Holes. B) Plasmolemma. C) Pits. D) Companion cells. Show Answer Correct Answer: C) Pits. 3. The phloem parenchyma is made up of A) Thin walled cells. B) Thick walled cells. C) All the above. D) None of the above. Show Answer Correct Answer: A) Thin walled cells. 4. How many chambers does the heart consist of? A) 2. B) 3. C) 4. D) 6. Show Answer Correct Answer: C) 4. 5. Which cells in the root absorb water and minerals from the soil? A) Cortex cells. B) Endodermis. C) Root hair cells. D) Xylem vessels. Show Answer Correct Answer: C) Root hair cells. 6. What is a source in the context of plant transport? A) A cell with low sugar concentration. B) A cell with high sugar concentration. C) A cell with high water concentration. D) A cell with low mineral concentration. Show Answer Correct Answer: B) A cell with high sugar concentration. 7. What is a halophyte? A) Aquatic dwelling Plant. B) Arid dwelling Plant. C) Salt dwelling plant. D) Air dwelling plant. Show Answer Correct Answer: C) Salt dwelling plant. 8. Which of the following needs some energy to help in moving substances? A) Diffusion. B) Osmosis. C) Transpiration. D) Translocation. Show Answer Correct Answer: D) Translocation. 9. Which of the following plant is found to have minimum transportation A) Nerium. B) Hydrilla. C) Mango. D) Guava. Show Answer Correct Answer: A) Nerium. 10. In what direction does the xylem transport water? A) Roots > stem > leaves. B) Roots > leaves > stem. C) Leaves > stem > roots. D) Leaves > roots > stem. Show Answer Correct Answer: A) Roots > stem > leaves. 11. Which of the following is not a component of the symplast? A) Sieve tube. B) Endodermal cells. C) Plasmodesmata. D) Xylem tracheids. Show Answer Correct Answer: D) Xylem tracheids. 12. How does glucose travel in the phloem A) Clockwise. B) In both direction. C) Up only. D) Down only. Show Answer Correct Answer: B) In both direction. 13. Which process are the phloem tubes part of? A) Translocation. B) Transpiration. C) All the above. D) None of the above. Show Answer Correct Answer: A) Translocation. 14. Why is it important to control variables in an experiment? A) Controlling variables is unnecessary for simple experiments. B) It is important to control variables to isolate the effects of the independent variable and ensure valid results. C) Controlling variables makes the experiment more complicated. D) It helps to increase the number of variables tested at once. Show Answer Correct Answer: B) It is important to control variables to isolate the effects of the independent variable and ensure valid results. 15. The only dead cells in phloem A) Companion. B) Sieve. C) Phloem fibres. D) Phloem parenchyma. Show Answer Correct Answer: C) Phloem fibres. 16. In the leaf, where does liquid water first evaporate before diffusing out? A) Cuticle covering the upper epidermis. B) Wet cell walls lining mesophyll spaces. C) Guard cells within stomatal pores. D) Xylem vessels inside vascular bundle. Show Answer Correct Answer: B) Wet cell walls lining mesophyll spaces. 17. The upward movement of water through the xylem is known as: A) Assimilation. B) Translocation. C) Transpiration. D) Ascent of sap. Show Answer Correct Answer: D) Ascent of sap. 18. A sudden drop in atmospheric humidity occurs outside a leaf. Predict the immediate effect on water potential and movement. A) Leaf water potential increases, transpiration decreases. B) Outside water potential increases, diffusion slows. C) Leaf water potential decreases, evaporation ceases. D) Outside water potential decreases, transpiration increases. Show Answer Correct Answer: D) Outside water potential decreases, transpiration increases. 19. When the mesophyll cells lose water their DPD- A) Increases. B) Decreases. C) Remain constant. D) None of the above is applicable. Show Answer Correct Answer: A) Increases. 20. What is the name of the process by which water moves across a plant's cell membrane? A) Filtration. B) Active transport. C) Osmosis. D) Diffusion. Show Answer Correct Answer: C) Osmosis. 21. What term describes the upward movement of water in xylem? A) Translocation. B) Diffusion. C) Osmosis. D) Transpiration pull. Show Answer Correct Answer: D) Transpiration pull. 22. Trichomes on xerophyte leaves mainly function to: A) Open stomata under high humidity. B) Transport sugars to vascular tissues. C) Form a boundary layer reducing water loss. D) Increase photosynthetic enzyme levels. Show Answer Correct Answer: C) Form a boundary layer reducing water loss. 23. Sugars and amino acids are loaded into phloem tubes using which of the following processes? A) Active transport. B) Diffusion. C) Photosynthesis. D) Osmosis. Show Answer Correct Answer: A) Active transport. 24. What are the two basic strategies proposed by Baker (1981) for higher plants to tolerate large numbers of metals in their environment? A) Exclusion and Accumulator. B) Absorption and Excretion. C) Filtration and Accumulation. D) Translocation and Storage. Show Answer Correct Answer: A) Exclusion and Accumulator. 25. Which of the following are true of xylem vessels?I. They have no end wallsII. They have pores (pits) in the outer cell wallIII. They contain lignin A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: D) I, II and III. ← 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 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