This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 35 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 35 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the continuous process of water being drawn up through the xylem, lost out of the leaves, and then more being drawn up again called? A) Osmosis. B) Evaporation. C) Transpiration stream. D) Diffusion. Show Answer Correct Answer: C) Transpiration stream. 2. Which process are the xylem tubes part of? A) Translocation. B) Transpiration. C) All the above. D) None of the above. Show Answer Correct Answer: B) Transpiration. 3. Which statement best describes the primary role of the vascular system in plants? A) Stores starch in leaves. B) Moves materials dissolved in water. C) Controls transpiration stomata. D) Generates ATP in roots. Show Answer Correct Answer: B) Moves materials dissolved in water. 4. During transpiration, where is water lost from the plant? A) Root hairs. B) Xylem vessels. C) Stomata. D) Cortex. Show Answer Correct Answer: C) Stomata. 5. The process of Transpiration is observed from: A) Cuticle. B) Stomata. C) Lenticels. D) All of these. Show Answer Correct Answer: D) All of these. 6. What happens to the rate of transpiration when the humidity increases? A) It increases. B) It decreases. C) It remains constant. D) It fluctuates. Show Answer Correct Answer: B) It decreases. 7. What is translocation in plants? A) Movement of water in xylem. B) Movement of air in leaves. C) Movement of sucrose and amino acids in phloem. D) Uptake of minerals by roots. Show Answer Correct Answer: C) Movement of sucrose and amino acids in phloem. 8. Continuous water column is created in xylem during transpiration pull due to A) Cohesion and adhesion forces. B) Dead nature of cell wall. C) Less lignification of cell wall. D) High tensile strength and low capillarity. Show Answer Correct Answer: A) Cohesion and adhesion forces. 9. The water from the roots rises whenever the xylem vessels are empty the force which is pulling the water up is called A) Cappillary force. B) Caplary force. C) Capillary force. D) None of the above. Show Answer Correct Answer: C) Capillary force. 10. Which of the following is a correct explanation of the process of translocation in a plant? A) The movement of mineral ions through the xylem of a plant. B) The movement of sucrose and amino acids through the phloem from a source to a sink. C) The one-way movement of sucrose and amino acids through the phloem. D) The movement of sucrose and amino acids through the phloem from a sink to a source. Show Answer Correct Answer: B) The movement of sucrose and amino acids through the phloem from a source to a sink. 11. What are the main types of plant tissues? A) Dermal, Vascular, Ground. B) Epidermal, Vascular, Parenchyma. C) Xylem, Phloem, Sclerenchyma. D) Root, Stem, Leaf. Show Answer Correct Answer: A) Dermal, Vascular, Ground. 12. What regulates the opening and closing of stomata? A) Vascular bundles. B) Guard cells. C) Mesophyll cells. D) Epidermis. Show Answer Correct Answer: B) Guard cells. 13. In which order does water pass through these structures in a plant? A) A mesophyll $\rightarrow$ root hair $\rightarrow$ xylem. B) B mesophyll $\rightarrow$ xylem $\rightarrow$ root hair. C) C root hair $\rightarrow$ mesophyll $\rightarrow$ xylem. D) D root hair $\rightarrow$ xylem $\rightarrow$ mesophyll. Show Answer Correct Answer: D) D root hair $\rightarrow$ xylem $\rightarrow$ mesophyll. 14. In which direction does water move in the xylem? A) Upward from the roots to the leaves. B) Downward from the leaves to the roots. C) In all directions from the stem. D) From the leaves to the flowers. Show Answer Correct Answer: A) Upward from the roots to the leaves. 15. Xylem vessel elements differ from phloem sieve tube elements in what way? A) Possession of lignified walls. B) Possession of suberin walls. C) Presence of cross walls. D) Presence of sieve pores. Show Answer Correct Answer: A) Possession of lignified walls. 16. In plants, ascent of sap takes place through A) Pith. B) Xylem. C) Cortex. D) Phloem. Show Answer Correct Answer: B) Xylem. 17. The plant tissue that carries organic food materials DOWNWARD from the leaves to the rest of the pant is the ..... A) Phloem. B) Stomata. C) Chlorophyll. D) Xylem. Show Answer Correct Answer: A) Phloem. 18. Which process involves the evaporation of water from plant leaves? A) Transpiration. B) Photosynthesis. C) Respiration. D) Germination. Show Answer Correct Answer: A) Transpiration. 19. What is the direction of movement of sugars in phloem? A) Non-multidirectional. B) Upward. C) Downward. D) Bi-directional. Show Answer Correct Answer: D) Bi-directional. 20. In the symplast pathway through what does the water move from cell to cell? A) Plasmodesmata. B) Cell wall. C) Vacuole. D) Nucleus. Show Answer Correct Answer: A) Plasmodesmata. 21. In which order does water pass through these tissues in a plant? A) Mesophyll $\rightarrow$ xylem $\rightarrow$ root cortex. B) Root cortex $\rightarrow$ mesophyll $\rightarrow$ xylem. C) Root cortex $\rightarrow$ xylem $\rightarrow$ mesophyll. D) Xylem $\rightarrow$ mesophyll $\rightarrow$ root cortex. Show Answer Correct Answer: C) Root cortex $\rightarrow$ xylem $\rightarrow$ mesophyll. 22. What is the definition of osmosis? A) The movement of water molecules from a concentrated solution to a dilute solution across a semi permeable membrane. B) The movement of gas molecules from a dilute solution to a concentrated solution across a semi permeable membrane. C) The movement of water molecules from a dilute solution to a concentrated solution across a semi permeable membrane. D) None of the above. Show Answer Correct Answer: C) The movement of water molecules from a dilute solution to a concentrated solution across a semi permeable membrane. 23. Stomata opens during night and closes during day A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. Which of the following is the correct formula for cellular respiration? A) Glucose + Carbon Dioxide > Oxygen + ATP + Sunlight. B) Sunlight + Carbon Dioxide + Water > Glucose + Oxygen. C) Glucose + Oxygen > Carbon Dioxide + Water + ATP. D) Water + Glucose + Oxygen > Carbon Dioxide + ATP. Show Answer Correct Answer: C) Glucose + Oxygen > Carbon Dioxide + Water + ATP. 25. In higher plants water rises upwards due to: A) Osmosis. B) Transpiration pull. C) Root pressure. D) Diffusion. Show Answer Correct Answer: B) Transpiration pull. ← 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