This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 43 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Transpiration is the consequence of which feature of plants? A) The presence of symplast and apoplast pathways. B) The requirement for a transport system in plants. C) The requirement for leaves to exchange gases. D) The thin waxy cuticle on the lower epidermis of leaves. Show Answer Correct Answer: B) The requirement for a transport system in plants. 2. Which vessel mainly transport deoxygenated blood? A) Artery. B) Aorta. C) Capillary. D) Vein. Show Answer Correct Answer: D) Vein. 3. Which cell provides energy for phloem? A) Lignin Cell. B) Starch Cell. C) Companion Cell. D) Guard Cell. Show Answer Correct Answer: C) Companion Cell. 4. Which of the following describes molecules moving down a concentration gradient? A) Sugar settling at the bottom of a water glass. B) A cell with lots of water in it absorbing even more water. C) A bottle of soda in which bubbles of carbon dioxide are evenly distributed. D) Warm air moving from a radiator to fill up a room. Show Answer Correct Answer: D) Warm air moving from a radiator to fill up a room. 5. An increase in which factor would decrease the rate of transpiration? A) Wind. B) Temperature. C) Humidity. D) Light. Show Answer Correct Answer: C) Humidity. 6. The column of water that is pulled upwards is known as the ..... A) Diffusion stream. B) Transpiration stream. C) Transpiration column. D) Osmosis stream. Show Answer Correct Answer: B) Transpiration stream. 7. What is the role of Hydrogen ATPase in mineral absorption? A) It releases H+ into the soil. B) It absorbs minerals from the soil. C) It transports water to the roots. D) It facilitates photosynthesis. Show Answer Correct Answer: A) It releases H+ into the soil. 8. Transpiration powers the movement of water A) Down a concentration gradient. B) Up a concentration gradient. C) Up & down concentration gradients. D) All of the answers. Show Answer Correct Answer: A) Down a concentration gradient. 9. What is the main function of the spongy mesophyll? A) Transport of water and food materials within the plant. B) Allow rapid diffusion of gases inside the leaf. C) Photosynthesis. D) Allow gaseous exchange in and out of the leaf. Show Answer Correct Answer: B) Allow rapid diffusion of gases inside the leaf. 10. If the xylem is damaged will water be able to flow to the leaves A) No. B) Yes. C) All the above. D) None of the above. Show Answer Correct Answer: A) No. 11. Terdapat lebih banyak stoma pada bahagian bawah daun daripada bahagian atas. A) BENAR. B) PALSU. C) All the above. D) None of the above. Show Answer Correct Answer: A) BENAR. 12. Go through the following statementsI. In active transport, pumps are proteins that use energy for transportation of molecules against the conc. gradient.II. Carrier protein is very specificIII. Transport rate reaches a maximum when all the active protein transporters are used and saturated A) All are correct. B) None is correct. C) I and III are correct. D) II and III are correct. Show Answer Correct Answer: A) All are correct. 13. The cell A has an osmotic potential of-20 bars and a pressure potential of +6 bars. What will be its water potential? A) -14 bars. B) +14 bars. C) -20 bars. D) -26 bars. Show Answer Correct Answer: A) -14 bars. 14. What safety precautions should be taken during the experiment? A) Ignore ventilation requirements. B) Wear regular clothing instead of PPE. C) Use open flames for heating. D) Wear PPE, ensure ventilation, keep flammables away from heat, and have emergency equipment. Show Answer Correct Answer: D) Wear PPE, ensure ventilation, keep flammables away from heat, and have emergency equipment. 15. Blood flows out of the left ventricle through which of the following blood vessels? A) Aorta. B) Vena cava. C) Pulmonary artery. D) Pulmonary vein. Show Answer Correct Answer: A) Aorta. 16. What is the difference between xylem and phloem transport? A) Xylem transports water, phloem transports food. B) Both transport food. C) Both transport water. D) Xylem is active, phloem is passive. Show Answer Correct Answer: A) Xylem transports water, phloem transports food. 17. The tensile strength of water / high capillarity is the gift of which properties of water- A) Cohesion. B) Adhesion. C) Surface tension. D) All. Show Answer Correct Answer: D) All. 18. What part of the plant functions as the site of photosynthesis, transpiration, and respiration? A) Stems. B) Roots. C) Flowers. D) Leaves. Show Answer Correct Answer: D) Leaves. 19. Which of the following is true for diffusion?I. It is a slow processII. It does not depend on a living systemIII. It is very important to plants since it is the only means for gaseous movement within the plant bodyIV. Diffusion is very obvious in gases and liquids, but diffusion in solid rather than of solid is more likely A) All are correct. B) Only II is correct. C) Only I and II are correct. D) None. Show Answer Correct Answer: A) All are correct. 20. Increasing wind speed increases the rate of water loss from a plant, A) Because water molecules move faster. B) Because the air moves water molecules away from the leaf faster, making it easier for more water molecules to move out of the leaf. C) Because stomata open wider. This allows water molecules to leave the leaf faster. D) None of the above. Show Answer Correct Answer: B) Because the air moves water molecules away from the leaf faster, making it easier for more water molecules to move out of the leaf. 21. On rainy days, the rate of transpiration is: A) Low. B) None of these. C) High. D) Depends on the intensity of rainfall. Show Answer Correct Answer: A) Low. 22. Which one is not true? A) The symplast is a meshwork consisting of (connected) living cells. B) The casparian strips prevent water from moving between endodermal cells. C) Water can move freely in the apoplast from cortical area to xylem of root. D) All. Show Answer Correct Answer: C) Water can move freely in the apoplast from cortical area to xylem of root. 23. How are sucrose and amino acids transported in a plant? A) Through the xylem. B) Through the phloem. C) Through the xylem and phloem. D) None of the above. Show Answer Correct Answer: B) Through the phloem. 24. Which factor affects the rate of transpiration by increasing the movement of water particles surrounding the leaf? A) Light intensity. B) Temperature. C) Wind speed. D) Humidity. Show Answer Correct Answer: C) Wind speed. 25. Suggest why most plants die quickly if their roots are cut off A) Roots are the source of light. B) Roots anchor the plant in the soil. C) Roots are red in color. D) Roots absorb water needed by the plant to photosynthesize and if cut, the plants cannot make its own food. Show Answer Correct Answer: D) Roots absorb water needed by the plant to photosynthesize and if cut, the plants cannot make its own food. ← 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