This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following conditions would result in closed stomata? A) High levels of water in the plant. B) Low levels of water in the plant. C) All the above. D) None of the above. Show Answer Correct Answer: B) Low levels of water in the plant. 2. True or false:Sieve tube cells have no nucleus. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. What forms the channels and pumps in the phospholipid bilayer? A) Carbohydrates. B) Proteins. C) Hydrophilic heads. D) Lipids. Show Answer Correct Answer: B) Proteins. 4. Phloem conducting cells are A) Dead. B) Living. C) All the above. D) None of the above. Show Answer Correct Answer: B) Living. 5. Where is phloem tissue found in a stem? A) On the side facing the epidermis in the vascular bundle. B) One the side facing the pith in the vascular bundle. C) Distributed with some facing the epidermis and some facing the pith. D) Only in the middle of the vascular bundle. Show Answer Correct Answer: A) On the side facing the epidermis in the vascular bundle. 6. Which of the following describes the function of the endodermis? A) It controls the movement of water and ions to the xylem using a Casparian strip. B) It releases root pressure as water moves into the xylem by osmosis. C) It allows water molecules to cling to the surface by cohesion so that a continuous column is created. D) It forms a system of inter-connected plasmodesmata through which water and ions can move. Show Answer Correct Answer: A) It controls the movement of water and ions to the xylem using a Casparian strip. 7. How is water moved from the roots to the leaves in plants? A) By active transport. B) By diffusion. C) By transpiration pull and cohesion. D) By osmosis. Show Answer Correct Answer: C) By transpiration pull and cohesion. 8. What is the function of root hair cells? A) Photosynthesis. B) Water and mineral ion absorption. C) Transport of oxygen. D) Prevent water loss. Show Answer Correct Answer: B) Water and mineral ion absorption. 9. What hormone is responsible for the closing of stomata? A) Abscisic Acid. B) GA (Gibberellin). C) Auxin. D) Phytochrome. Show Answer Correct Answer: A) Abscisic Acid. 10. What environmental factor affects transpiration rate by increasing the kinetic energy of water molecules? A) Humidity. B) Wind speed. C) Temperature. D) Light intensity. Show Answer Correct Answer: C) Temperature. 11. What is the process by which particles flow in and out of a cell? A) Diffusion. B) Osmosis. C) All the above. D) None of the above. Show Answer Correct Answer: A) Diffusion. 12. Xylem vessels are composed of dead, empty hollow cells. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. What is the process called when sugars move from the leaves to other parts of the plant through phloem? A) Respiration. B) Photosynthesis. C) Translocation. D) Transpiration. Show Answer Correct Answer: C) Translocation. 14. A system of vessels that help return excess fluid to the bloodstream. A) Lymphatic system. B) Hepatic system. C) Cardiovascular system. D) Integumentary system. Show Answer Correct Answer: A) Lymphatic system. 15. One of the following is a macronutrient. Identify the macronutrient A) Manganese. B) Nitrogen. C) Zinc. D) Iron. Show Answer Correct Answer: B) Nitrogen. 16. Which of the following is not found in sieve tube elements? A) Mitochondria. B) Endoplasmic reticulum. C) Cytoplasm. D) Ribosomes. Show Answer Correct Answer: D) Ribosomes. 17. Ions from soil reach to xylem of root through- A) Active uptake only. B) Passive uptake only. C) Only diffusion. D) Active or passive uptake or a combination of both. Show Answer Correct Answer: D) Active or passive uptake or a combination of both. 18. Movement in the phloem tissue goes in one direction. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. Which environmental factor is most likely to be responsible for a plant to wilt? A) A decrease in light intensity. B) An increase in humidity. C) A decrease in the amount of available water. D) A decrease in wind speed. Show Answer Correct Answer: C) A decrease in the amount of available water. 20. Which of the following is a dead tissue? A) Phloem. B) Xylem. C) Cortex. D) Spongy mesophyll. Show Answer Correct Answer: B) Xylem. 21. What is the most abudant solute in phloem sap? A) Amino acids. B) Hormones. C) Sugar. D) Minerals. Show Answer Correct Answer: C) Sugar. 22. What are the main functions of xylem in plants? A) Transport of glucose and oxygen. B) Transport of sucrose and amino acids. C) Transport of water and mineral ions, and support. D) Transport of proteins. Show Answer Correct Answer: C) Transport of water and mineral ions, and support. 23. What PART of the plant collects water? A) Leaves. B) Flower. C) Roots. D) Stem. Show Answer Correct Answer: C) Roots. 24. The movement of food in the phoelm is called ..... A) Translocation. B) Diffusion. C) Vascular bundles. D) Osmosis. Show Answer Correct Answer: A) Translocation. 25. Chlorophyll traps light energy and converts it to chemical energy during photosynthesis. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← 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