This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 11 Transport In Plants – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Xylem are made of living cells that are lignified A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. Fill in the blank:Capillary action causes water to move much higher in a narrow tube than in a wide tube. A) Evaporation. B) Capillary action. C) Diffusion. D) Condensation. Show Answer Correct Answer: B) Capillary action. 3. What is a 'sink' in a plant? A) Part that loses water vapour. B) Part that releases sugars. C) Part that absorbs sunlight. D) Part that uses or stores sucrose or amino acids. Show Answer Correct Answer: D) Part that uses or stores sucrose or amino acids. 4. Stomata have bean-shaped guard cells with a ..... outer wall, b ..... inner wall A) Variable b. homogenous. B) Thick b. thin. C) Thin b. thick. D) Flexible b. cellulose. Show Answer Correct Answer: C) Thin b. thick. 5. The rate of transpiration increases by an increase in the: A) Temperature. B) Carbon dioxide. C) Oxygen. D) Soil Dryness. Show Answer Correct Answer: A) Temperature. 6. What property of water molecules allows them to stick together and form a continuous column in the xylem? A) Cohesion. B) Surface tension. C) Osmosis. D) Adhesion. Show Answer Correct Answer: A) Cohesion. 7. What provides a large internal surface area for water vapor loss in leaves? A) Phloem tubes. B) Mesophyll cells. C) Xylem vessels. D) Stomata. Show Answer Correct Answer: B) Mesophyll cells. 8. Which two cells form phloem tissue? A) Sieve tube elements and companion cells. B) Phloem cells and tissue cells. C) Cross walls and lignin cells. D) Tube elements and sieve tissue cells. Show Answer Correct Answer: A) Sieve tube elements and companion cells. 9. Which of the following is used to transport water & mineral ions, while also providing structural support to the plant? A) Phloem. B) Xylem. C) Mesophyll. D) Stem. Show Answer Correct Answer: B) Xylem. 10. True or false:Cells in the xylem vessel have no protoplasm. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. Which feature directly reduces transpiration in xerophytes by decreasing exposed leaf surface area? A) Broad lamina leaves increase boundary layer. B) Leaves modified into spines reduce surface area. C) Large thin leaves enhance convective cooling. D) Expanded petioles increase photosynthetic area. Show Answer Correct Answer: B) Leaves modified into spines reduce surface area. 12. Which of the following is responsible for the absorption of mineral ions? A) Active transport. B) Transpiration. C) Diffusion. D) Osmosis. Show Answer Correct Answer: A) Active transport. 13. Other than transporting water, what is a function of xylem? A) Helping support the plant. B) Making food. C) Catching light. D) Transporting food. Show Answer Correct Answer: A) Helping support the plant. 14. What is the process by which manufactured food substances are transported un plants? A) Transpiration. B) Translocation. C) Active transport. D) Transpiration pull. Show Answer Correct Answer: B) Translocation. 15. What is the function of pits in pitted xylem vessels? A) To store water. B) To allow rapid movement of water and ions out of vessels. C) To conduct photosynthesis. D) To support the plant structure. Show Answer Correct Answer: B) To allow rapid movement of water and ions out of vessels. 16. Which of the following is an example of imbibition? A) Exchange of gases in stomata. B) Uptake water by root hair. C) Opening of stomata. D) Swelling of seed when put in soil. Show Answer Correct Answer: D) Swelling of seed when put in soil. 17. Structure of phloem consists all below, except? A) Sieve tube element. B) Sieve plate. C) Tracheids. D) Companion cell. Show Answer Correct Answer: C) Tracheids. 18. A scientist is studying the effects of fertilizer on the rate of transpiration in tomato plants. Which of the following is NOT an experimental control for this experiment? A) The rate of transpiration. B) The variety/species of tomato plant. C) The amount of added fertilizer. D) The type of fertilizer. Show Answer Correct Answer: A) The rate of transpiration. 19. Which of the following is NOT a factor that affects the rate of transpiration? A) Sunlight. B) Wind speed. C) Humidity. D) Rain. Show Answer Correct Answer: D) Rain. 20. Excessive transpiration can lead to softening of plant tissues. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. What is the process called when water evaporates from the leaves or stems of a plant? A) Transpiration. B) Osmosis. C) Passive Transport. D) Translocation. Show Answer Correct Answer: A) Transpiration. 22. The type of cambium tissue between xylem and phloem tissue in plants A) Cork cambium. B) Fascicular cambium. C) Vascular cambium. D) None of the above. Show Answer Correct Answer: C) Vascular cambium. 23. Aphid stylet experiment has to be done together with ..... to confirm that sucrose is transported in the phloem. A) Iodine test. B) Biuret test. C) Benedict's test. D) Ethanol emulsion test. Show Answer Correct Answer: C) Benedict's test. 24. How does water primarily move through the plant? A) Through the stomata. B) Through the xylem. C) Through the phloem. D) Through the chloroplasts. Show Answer Correct Answer: B) Through the xylem. 25. The active uptake of many ions occurs at the roots of green plants. If the respiratory enzymes of the roots of a plant are poisoned, at which of the following tissues of the roots would the movement of ions be totally stopped? A) Cortex parenchyma. B) Endodermis. C) Xylem. D) Epidermis. Show Answer Correct Answer: B) Endodermis. 26. Most water evaporates from which tissue in the leaf? A) Mesophyll. B) Upper epidermis. C) Waxy cuticle. D) Lower epidermis. Show Answer Correct Answer: A) Mesophyll. 27. Identify the tissue used as a packing tissue between more specialised structures. It is metabolically active and may have a variety of functions. A) Parenchyma. B) Epidermis. C) Endodermis. D) Phloem. Show Answer Correct Answer: A) Parenchyma. 28. All arteries carry oxygenated blood. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 29. Which part of a root hair cell is partially permeable? A) Cell wall. B) Cell membrane. C) Nucleus. D) Cytoplasm. Show Answer Correct Answer: B) Cell membrane. 30. The bulk movement of a substance, such as water in the xylem is known as: A) Group flow. B) Mass flow. C) Co-ordinated flow. D) Team flow. Show Answer Correct Answer: B) Mass flow. 31. Which route is blocked by the Casparian strip in the endodermis? A) Transmembrane route. B) Vascular route. C) Symplastic route. D) Apoplastic route. Show Answer Correct Answer: D) Apoplastic route. 32. The cell sap in the root hair is said to be of ..... A) Low concentration. B) High concentration. C) All the above. D) None of the above. Show Answer Correct Answer: B) High concentration. 33. The Na+/K+ pump of nerve cells A) Is involved in passive transport of ions. B) Never shows saturation of transport. C) Transports ions along their concentration gradient. D) Is an energy-dependent membrane transporter. Show Answer Correct Answer: D) Is an energy-dependent membrane transporter. 34. Example of a macro nutrient A) Nitrogen. B) Zinc. C) Iron. D) Manganese. Show Answer Correct Answer: A) Nitrogen. 35. Which of the following is not transported in plants? A) Oxygen. B) Water. C) Carbon dioxide. D) Minerals. Show Answer Correct Answer: C) Carbon dioxide. 36. Avery is conducting an experiment in the school garden to understand how plants lose water. She wants to measure the transpiration rate of a particular plant. What equipment should she use to measure this rate? A) Thermometer. B) Hydrometer. C) Barometer. D) Potometer. Show Answer Correct Answer: D) Potometer. 37. A cell increases in volume of the external medium is A) Hypotonic. B) Hypertonic. C) Isotonic. D) None of these. Show Answer Correct Answer: A) Hypotonic. 38. What substance strengthens the xylem cells? A) Protoplasms. B) Cell walls. C) Lignin. D) Fiber cells. Show Answer Correct Answer: C) Lignin. 39. Fill in the blank:The pressure created by water entering the tissues of a root can push water upward in a plant stem. This is known as ..... A) Transpiration pull. B) Root pressure. C) Capillary action. D) Osmosis. Show Answer Correct Answer: B) Root pressure. 40. Ignoring all other factors, what kind of day would result in the fastest delivery of water and minerals to the leaves of a tree? A) Cool, dry day. B) Warm, humid day. C) Warm, dry day. D) Cool, humid day. Show Answer Correct Answer: C) Warm, dry day. 41. How is sugar transported in the plant? A) Though diffusion which requires energy. B) Though diffusion which does not require energy. C) Through active transport which requires energy. D) Though active transport which does not require energy. Show Answer Correct Answer: C) Through active transport which requires energy. 42. How does the structure of root hair cells help their function? A) Small surface area. B) Thin cell wall and large vacuole. C) Large surface area to increase absorption. D) Thick cuticle. Show Answer Correct Answer: C) Large surface area to increase absorption. 43. Which type of cells in the plant's xylem are responsible for the transport of water? A) Root hairs. B) Guard cells. C) Phloem cells. D) Tracheary elements. Show Answer Correct Answer: D) Tracheary elements. 44. The inorganic nutrient that is involved in the opening and closing of stomata A) Potassium. B) Iron. C) Phosphorus. D) Nitrogen. Show Answer Correct Answer: A) Potassium. 45. Which disease is caused by a deficiency of iron in the diet? A) Anaemia. B) Kwashiorkor. C) Marasmus. D) Rickets. Show Answer Correct Answer: A) Anaemia. 46. Phloem transports ..... A) Food manufactured by leaves. B) Gases. C) Water and mineral salts. D) None of the above. Show Answer Correct Answer: A) Food manufactured by leaves. 47. Which experiment can demonstrate osmosis in plant cells? A) Counting stomata under a microscope. B) Placing a potato slice in saltwater. C) Observing leaf color change. D) Measuring the rate of photosynthesis. Show Answer Correct Answer: B) Placing a potato slice in saltwater. 48. Which statement describes the phloem transport system of plants? A) It transports sugar and is lignified. B) It transports sugar and is not lignified. C) It transports water and is lignified. D) None of the above. Show Answer Correct Answer: B) It transports sugar and is not lignified. 49. Which word best completes the sentence? Water evaporates from the cells in the leaves and then diffuses out of the stomata A) Mesophyll. B) Epidermal. C) Guard. D) Xylem. Show Answer Correct Answer: A) Mesophyll. 50. The type of plant tissue responsible for transporting water and minerals in the plant is (a) A) Cambium. B) A. Xylem. C) Epidermis. D) Phloem. Show Answer Correct Answer: B) A. Xylem. 51. What is the effect of waterlog-condition on soil redox potential? A) It has no effect on metal availability. B) It only affects Fe availability. C) It decreases the availability of metals. D) It increases the availability of metals. Show Answer Correct Answer: D) It increases the availability of metals. 52. Which process carried by phloem A) Transpiration. B) Translocation. C) All the above. D) None of the above. Show Answer Correct Answer: B) Translocation. 53. Root Pressure develop due to:re-AIPMT 2015 A) 3.Low Osmotic Pressure in the Soil. B) 2.Active absorption. C) 1.Increase Transpiration. D) 4.Passive Absorption. Show Answer Correct Answer: B) 2.Active absorption. 54. Which of these contain Chlorophyll and are where Photosynthesis takes place? A) Cell Wall. B) Vacuole. C) Chloroplasts. D) None of the above. Show Answer Correct Answer: C) Chloroplasts. 55. How does water vapour in the air space leave the leaf? A) Diffusion. B) Osmosis. C) Translocation. D) Transpiration. Show Answer Correct Answer: A) Diffusion. 56. Which best describes the flow of phloem? A) Source to sink; one direction. B) Root to shoot; one direction. C) Root to shoot; two directions. D) Source to sink; two directions. Show Answer Correct Answer: D) Source to sink; two directions. 57. The pressure developed in the roots due to active absorption of water is called: A) Turgor pressure. B) Osmotic pressure. C) Transpiration pull. D) Root pressure. Show Answer Correct Answer: D) Root pressure. 58. What is the significance of stomata in plants? A) They are responsible for photosynthesis. B) They are small openings on the surface of leaves that allow for gas exchange and transpiration. C) They help in nutrient absorption from the soil. D) They protect the plant from herbivores. Show Answer Correct Answer: B) They are small openings on the surface of leaves that allow for gas exchange and transpiration. 59. What is the main function of root hairs in plants? A) To store water. B) To absorb water and minerals from the soil. C) To produce food through photosynthesis. D) To anchor the plant to the ground. Show Answer Correct Answer: B) To absorb water and minerals from the soil. 60. Process in which sucrose and amino acids are moved to the rest of plant by phloem is known as A) Photosynthesis. B) Transpiration. C) Respiration. D) Translocation. Show Answer Correct Answer: D) Translocation. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 7Class 11 Biology Chapter 11 Transport In Plants Quiz 8Class 11 Biology Chapter 11 Transport In Plants Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books