This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 11 Transport In Plants – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 19 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Plants primarily obtain their organic molecules through respiration. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 2. Cellulose meshwork on the plant cell wall makes the cell wall ..... , while lignin makes the cell wall ..... A) Impermeable, freely permeable. B) Semipermeable, impermeable. C) Freely permeable, impermeable. D) Freely permeable, semipermeable. Show Answer Correct Answer: C) Freely permeable, impermeable. 3. The upward movement of water and minerals is known as ascent of sap A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. Select the macronutrients required by the plant A) Iron, Manganese, Molybdenum. B) Boron, carbon and hydrogen. C) Nitrogen, potassium, phosphorus. D) Zinc, chlorine and copper. Show Answer Correct Answer: C) Nitrogen, potassium, phosphorus. 5. What is the importance of plant root having high concentration of mineral ions compare to in soil? A) To ensure more mineral ions diffuse into roots. B) To increase the surface area of roots. C) To ensure water potential in roots lower than in soils. D) None of the above. Show Answer Correct Answer: C) To ensure water potential in roots lower than in soils. 6. Which tissue transports materials in one direction only? A) Root. B) Vascular bundle. C) Phloem. D) Xylem. Show Answer Correct Answer: D) Xylem. 7. The factory or storehouse of the plant is the A) Leaves. B) Flower. C) Stem. D) Root. Show Answer Correct Answer: A) Leaves. 8. In a dicot stem cross-section, where are the xylem and phloem located? A) Xylem outside, phloem inside. B) Both in the center. C) Xylem inside, phloem outside in vascular bundles. D) Randomly distributed. Show Answer Correct Answer: C) Xylem inside, phloem outside in vascular bundles. 9. How does an increase in light intensity affect the rate of transpiration? A) Increases transpiration rate. B) Decreases transpiration rate. C) All the above. D) None of the above. Show Answer Correct Answer: A) Increases transpiration rate. 10. Cabbage is an example for food storarge in- A) Stem. B) Roots. C) Fruits. D) Leaves. Show Answer Correct Answer: D) Leaves. 11. Plants that live in places where water supply is short are called A) Dicots. B) Epiphytes. C) Xerophytes. D) Monocots. Show Answer Correct Answer: C) Xerophytes. 12. Placing a celery stalk in a solution containing a blue ink is to show ..... A) Water moves in a linear direction. B) Water is transported by xylem. C) Food is transported in phloem. D) Water is transported in phloem. Show Answer Correct Answer: B) Water is transported by xylem. 13. What is the arrangement of xylem and phloem in the leaf? A) Xylem above phloem. B) Phloem above xylem. C) Xylem and phloem mixed together. D) Xylem and phloem in separate bundles. Show Answer Correct Answer: A) Xylem above phloem. 14. Which is commonly used in transpiration experiment? A) Sodium chloride. B) Cobalt chloride. C) Copper chloride. D) Cobalt carbonate. Show Answer Correct Answer: B) Cobalt chloride. 15. Which of the following limits the movement of molecules when carrier mediated facilitated diffusion is involved? A) Concentrated gradient. B) Availability of carrier molecules. C) Temperature. D) All of the above. Show Answer Correct Answer: D) All of the above. 16. This part of the transport system in plants is made up of dead cells. A) Phloem. B) Shoot. C) Xylem. D) Leaves. Show Answer Correct Answer: C) Xylem. 17. Xylem vessel is made of dead cells? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 18. Process occurs in leaves which may lower their temperature is A) Respiration. B) Photosynthesis. C) Hydrolysis. D) Transpiration. Show Answer Correct Answer: D) Transpiration. 19. True or false:Companion cells have few mitochondria. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. Which of the following allows transport of substances from a sieve element cell to a companion cell? A) Sieve plate. B) Plasmodesmata. C) Cell wall. D) Pits. Show Answer Correct Answer: B) Plasmodesmata. 21. What does the process of transpiration help with in plants? A) Pulling water upward. B) Increasing root surface area. C) Transporting sugars. D) Gas exchange. Show Answer Correct Answer: A) Pulling water upward. 22. Xylem and phloem are examples of A) Vascular tissue. B) Epidermal tissue. C) Protective tissue. D) Connective tissue. Show Answer Correct Answer: A) Vascular tissue. 23. The diagram shows apparatus used to investigate water uptake by a cut leafy twig. In which sets of conditions would the tap need to be used most often? A) Bright, still, humid. B) Dark, still, humid. C) Dark, windy, dry. D) Bright, windy, dry. Show Answer Correct Answer: D) Bright, windy, dry. 24. Name the plant tissue which helps in carrying the food to different parts of the plant A) Phloem. B) Ascent of sap. C) Xylem. D) Active transport. Show Answer Correct Answer: A) Phloem. 25. Movement of substances is one way in ..... and two way in the ..... A) Xylem, phloem. B) Phloem, xylem. C) Stem, root. D) None of the above. Show Answer Correct Answer: A) Xylem, phloem. 26. Which is the main process responsible for the transport of water up the xylem vessels? A) Transpiration. B) Osmosis. C) Diffusion. D) Translocation. Show Answer Correct Answer: A) Transpiration. 27. The age of a tree can be determined by counting the number of ..... A) Phloem rings. B) Xylem rings. C) All the above. D) None of the above. Show Answer Correct Answer: B) Xylem rings. 28. The only living cells in xylem tissue are A) Xylem parenchyma. B) Xylem vessels. C) Xylem sclerenchyma. D) Xylem tracheids. Show Answer Correct Answer: A) Xylem parenchyma. 29. Which factor will decrease the rate of transpiration? A) Temperature. B) Wind. C) Light intensity. D) Humidity. Show Answer Correct Answer: D) Humidity. 30. Active transport A) Needs energy to move particles through a cell membrane from an area of their lower concentration to an area of their higher concentration. B) Is the movement of particles from an area of their higher concentration to an area of their lower concentration. It can happen through a cell membrane. C) Is the diffusion of water molecules across a cell membrane. D) None of the above. Show Answer Correct Answer: A) Needs energy to move particles through a cell membrane from an area of their lower concentration to an area of their higher concentration. 31. An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes A) Water to move into the cell. B) Solutes to move out of the cell. C) Solutes to move into the cell. D) Water to move out of the cell. Show Answer Correct Answer: A) Water to move into the cell. 32. Magnesium ion is important for plants to A) Make chlorophyll. B) Make glucose. C) Make root hair cells. D) None of the above. Show Answer Correct Answer: A) Make chlorophyll. 33. The loss of water in liquid phase from the plant leaves is known as A) Transpiration. B) Guttation. C) Diffusion. D) Evaporation. Show Answer Correct Answer: B) Guttation. 34. Arteries, except for the pulmonary artery, carry*2015 Q30 A) Oxygenated blood away from the heart under low pressure. B) Oxygenated blood away from the heart under high pressure. C) Deoxygenated blood away from the heart under high pressure. D) Deoxygenated blood away from the heart under low pressure. Show Answer Correct Answer: B) Oxygenated blood away from the heart under high pressure. 35. Bidirectional translocation of minerals takes place in A) Cambium. B) Parenchyma. C) Phloem. D) Xylem. Show Answer Correct Answer: C) Phloem. 36. The cellular components that constitute xylem vessels are called ..... , and they are joined together end to end to form long tubes that allow ..... and ..... to travel over long distance A) Vessel elements, water, assimilates. B) Vessel cells, water and assimilates. C) Transport elements, mineral ions and assimilates. D) Vessel elements, water, mineral ions. Show Answer Correct Answer: D) Vessel elements, water, mineral ions. 37. This green pigment absorbs light energy from the sun for photosynthesis A) Leaf. B) Chlorophyll. C) Chloroplast. D) Xylem. Show Answer Correct Answer: B) Chlorophyll. 38. The movement of water molecules from a high concentration of water to a low concentration of water across a partially permeable membrane- A) Diffusion. B) Osmosis. C) Transpiration. D) Active transport. Show Answer Correct Answer: B) Osmosis. 39. Sucrose is transported into companion cells through a co-transporter (carrier protein) together with which of the following? A) Amino acid. B) ATP. C) Glucose. D) Proton. Show Answer Correct Answer: D) Proton. 40. Which feature of a root hair cell increases its ability to absorb water? A) Thick cell wall. B) Presence of chloroplasts. C) Large central vacuole. D) Long and narrow extension. Show Answer Correct Answer: D) Long and narrow extension. 41. Which cells are found in xylem? A) Cambium cells. B) Sieve Tubes. C) Tracheids. D) Companion cells. Show Answer Correct Answer: C) Tracheids. 42. Which part of the plant produces glucose during photosynthesis? A) Stem. B) Leaf. C) Bark. D) Root. Show Answer Correct Answer: B) Leaf. 43. What is the attraction between water molecules and the surface of xylem tissues called? A) Adhesion. B) Capillary Action. C) Cohesion. D) Root Pressure. Show Answer Correct Answer: A) Adhesion. 44. When a plant undergoes senescence, the nutrients may be A) Exported. B) Withdrawn. C) Translocated. D) None of these. Show Answer Correct Answer: C) Translocated. 45. State two factors affecting the rate of transpiration. A) Wind and light intensity. B) Colour of leaves and soil type. C) Stem thickness and root length. D) Leaf shape and age of plant. Show Answer Correct Answer: A) Wind and light intensity. 46. The two kinds of elements present in xylem are: A) Sieve tube and vessels. B) Tracheids and vessels. C) Sieve tube and companion cells. D) Guard cells and fibres. Show Answer Correct Answer: B) Tracheids and vessels. 47. Fill in the blank:The attraction between water molecules and the walls of a plant's vessels is called ..... A) Osmosis. B) Cohesion. C) Diffusion. D) Adhesion. Show Answer Correct Answer: D) Adhesion. 48. Most chloroplast are found in the A) Epidermis. B) Xylem. C) Palisade mesophyll. D) Spongy mesophyll. Show Answer Correct Answer: C) Palisade mesophyll. 49. ..... has unidirectional conduction and ..... has bidirectional conduction. A) Phloem, xylem. B) Xylem, phloem. C) All the above. D) None of the above. Show Answer Correct Answer: B) Xylem, phloem. 50. Which one of the following is NOT a component of xylem? A) Xylem vessels. B) Xylem fibres. C) Sieve tubes. D) Tracheids. Show Answer Correct Answer: C) Sieve tubes. 51. What is the process called when water is lost through the leaves in the form of water vapor? A) Osmosis. B) Transpiration. C) Diffusion. D) Evaporation. Show Answer Correct Answer: B) Transpiration. 52. In the given scenario what will happen to the organism:salt is poured onto eggplant. A) Water will move out of the eggplant cells and the cells will shrink. B) Water will move out of the eggplant cells and the cells will swell. C) Water will move into the eggplant cells and the cells will swell. D) None of the above. Show Answer Correct Answer: A) Water will move out of the eggplant cells and the cells will shrink. 53. Which of the following facilitates opening of stomatal aperture? A) Decrease in turgidity of guard cells. B) Radial orientation of cellulose microfibrils in the cell wall of guard cells. C) Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells. D) Contraction of outer wall of guard cells. Show Answer Correct Answer: B) Radial orientation of cellulose microfibrils in the cell wall of guard cells. 54. Transpiration involves the evaporation and diffusion of water vapour.What happens to the water vapour during transpiration? A) Diffusion from stomata followed by evaporation through mesophyll cells. B) Evaporation from stomata followed by diffusion through mesophyll cells. C) Evaporation from mesophyll cells followed by diffusion through stomata. D) Diffusion from mesophyll cells followed by evaporation through stomata. Show Answer Correct Answer: C) Evaporation from mesophyll cells followed by diffusion through stomata. 55. Where is xylem vessels found in plants A) Roots and stems only. B) Leaves and root only. C) Roots, stems and leaves. D) Root hair cells and veins. Show Answer Correct Answer: C) Roots, stems and leaves. 56. What is meant by the term "Translocation" ? A) The process by which water is lost in the form of water vapour. B) The process of transporting manufactured food throughout the plant. C) The process by which plants make their own food. D) The process of releasing energy from glucose. Show Answer Correct Answer: B) The process of transporting manufactured food throughout the plant. 57. Which of these contains cell sap? A) Cell Wall. B) Vacuole. C) Chloroplasts. D) None of the above. Show Answer Correct Answer: B) Vacuole. 58. Water moves more rapidly through the symplastic pathway compared to the apoplastic pathway. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 59. Xylem helps to transport ..... A) Water and mineral salts. B) Food manufactured by the plant. C) Air. D) None of the above. Show Answer Correct Answer: A) Water and mineral salts. 60. A student measures the mass of a potted plant before and after placing it under a fan for several hours. The mass decreases. What is the best explanation? A) The plant used up food through respiration. B) The plant grew in height. C) The fan increased water absorption. D) The fan increased transpiration rate, causing water loss. Show Answer Correct Answer: D) The fan increased transpiration rate, causing water loss. ← 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 6Class 11 Biology Chapter 11 Transport In Plants Quiz 7Class 11 Biology Chapter 11 Transport In Plants Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books