This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How does water move out of plant leaves? A) Through stomata as water vapour. B) Through stomata as liquid water. C) Through xylem as water vapour. D) None of the above. Show Answer Correct Answer: A) Through stomata as water vapour. 2. In which of the following can lignin be found? A) Stalk. B) Xylem. C) Phloem. D) Leaves. Show Answer Correct Answer: B) Xylem. 3. What is the process by which water is lost through the stomata of a plant? A) Translocation. B) Respiration. C) Transpiration. D) Evaporation. Show Answer Correct Answer: C) Transpiration. 4. What is the correct pathway of water from the soil to the leaves? A) Xylem $\rightarrow$ Root hairs $\rightarrow$ Leaves. B) Root hairs $\rightarrow$ Root cortex $\rightarrow$ Xylem $\rightarrow$ Mesophyll. C) Stomata $\rightarrow$ Xylem $\rightarrow$ Leaves. D) Root cortex $\rightarrow$ Root hairs $\rightarrow$ Xylem. Show Answer Correct Answer: B) Root hairs $\rightarrow$ Root cortex $\rightarrow$ Xylem $\rightarrow$ Mesophyll. 5. Guard cells help in A) Transpiration. B) Guttation. C) Fighting against infection. D) Protection against grazing. Show Answer Correct Answer: A) Transpiration. 6. What process actively pumps minerals from the soil into the root xylem? A) Osmosis. B) Diffusion. C) Active transport. D) Transpiration. Show Answer Correct Answer: C) Active transport. 7. What happens to a plant when the amount of water lost from its leaves is greater than the amount of water available in the soil? A) It produces more leaves. B) It wilts. C) It becomes dormant. D) It grows taller. Show Answer Correct Answer: B) It wilts. 8. You are monitoring the diffusion of a coloured molecule across a membrane. Which of the following will result in the fastest rate of diffusion? A) An internal concentration of 5% and an external concentration of 60%. B) An internal concentration of 35% and an external conc. of 40%. C) An internal concentration of 60% and an external concentration of 5%. D) A and c are correct. Show Answer Correct Answer: D) A and c are correct. 9. Which cells have extra cellulose deposits for structural support? A) Parenchyma. B) Collenchyma. C) Palisade. D) Spongy mesophyll. Show Answer Correct Answer: B) Collenchyma. 10. Ascent of sap takes place through A) Phloem. B) Epidermis. C) Cortex. D) Xylem. Show Answer Correct Answer: D) Xylem. 11. How does root pressure contribute to the movement of water in plants? A) Root pressure pushes water up from the roots to the stems and leaves. B) Root pressure causes water to move sideways within the plant. C) Root pressure has no effect on the movement of water in plants. D) Root pressure pulls water down from the leaves to the roots. Show Answer Correct Answer: A) Root pressure pushes water up from the roots to the stems and leaves. 12. In an experiment, the water potential of the water in a soil, is found to be-40kPa, while that of pure water is 0kPa. This difference is due to the A) Presence of mineral ions in the soil water. B) Greater kinetic energy of the soil water molecules. C) Small size of the mineral ions in the soil water. D) Water potential of soil water being positive. Show Answer Correct Answer: A) Presence of mineral ions in the soil water. 13. Where does sugar transport begin? A) Roots. B) Leaves. C) Root hairs. D) Vascular bundles. Show Answer Correct Answer: B) Leaves. 14. In which tissue are ions forced to pass selective permeable membrane? A) Epidermis. B) Endodermis. C) Vascular bundle. D) Cortex. Show Answer Correct Answer: B) Endodermis. 15. Cacti stomata behavior A) Stomata are open during the day and closed at night to maximize photosynthesis. B) Stomata are closed during the day and open at night to minimize evaporation. C) Stomata remain open throughout the day to absorb more sunlight. D) Stomata are closed both day and night to conserve water. Show Answer Correct Answer: B) Stomata are closed during the day and open at night to minimize evaporation. 16. Which tissue also helps to support the plant? A) Xylem. B) Phloem. C) Vascular bundle. D) Root. Show Answer Correct Answer: A) Xylem. 17. High light intensity tends to increase transpiration rate because ..... A) Stomata open in bright conditions. B) Diffusion is faster in bright conditions. C) All the above. D) None of the above. Show Answer Correct Answer: A) Stomata open in bright conditions. 18. I. Water leaves through the stomata by diffusion into the atmosphere II. Water evaporates from the surface of the mesophyll cells III. Water travels from cell to cell down a water potential gradient in the mesophyll IV. Water passes from the stem xylem into the mesophyll cells. Which of the following describes the correct sequence by which water is lost by transpiration? A) I-II-III-IV. B) I-II-IV-III. C) II-I-IV-III. D) IV-III-II-I. Show Answer Correct Answer: D) IV-III-II-I. 19. Fill in the blank:The major force in water transport is provided by the evaporation of water from leaves during ..... A) Transpiration. B) Respiration. C) Photosynthesis. D) Germination. Show Answer Correct Answer: A) Transpiration. 20. Which tissues transports amino acids and sugars in plants? A) Xylem. B) Phloem. C) Vascular bundle. D) Root. Show Answer Correct Answer: B) Phloem. 21. This is the process in which plants sweat. A) Transportation. B) Transpiration. C) Explanation. D) Exportation. Show Answer Correct Answer: B) Transpiration. 22. The water potential of pure water is: A) Less than zero. B) More than zero but less than one. C) More than one. D) Zero. Show Answer Correct Answer: D) Zero. 23. Water enters the root-hairs by osmosis A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 24. Which of the following help(s) in supporting a terrestrial woody plant?I.Xylem tissueII.Turgor pressureIII.Phloem tissue A) I only. B) I and II only. C) II and III only. D) I, II and III. Show Answer Correct Answer: B) I and II only. 25. Why does water loss slow down if a plant is put into a plastic bag? A) The humidity increases. B) The temperature increases. C) The light intensity increases. D) None of the above. Show Answer Correct Answer: A) The humidity increases. ← 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