This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 46 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 46 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Cabbage is an example for food storarge in- A) Fruits. B) Roots. C) Stem. D) Leaves. Show Answer Correct Answer: D) Leaves. 3. Plants that live in places where water supply is short are called A) Epiphytes. B) Xerophytes. C) Dicots. D) Monocots. Show Answer Correct Answer: B) Xerophytes. 4. 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. 5. 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. 6. Which is commonly used in transpiration experiment? A) Cobalt chloride. B) Cobalt carbonate. C) Sodium chloride. D) Copper chloride. Show Answer Correct Answer: A) Cobalt chloride. 7. 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. 8. This part of the transport system in plants is made up of dead cells. A) Xylem. B) Phloem. C) Shoot. D) Leaves. Show Answer Correct Answer: A) Xylem. 9. 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. 10. Process occurs in leaves which may lower their temperature is A) Respiration. B) Photosynthesis. C) Hydrolysis. D) Transpiration. Show Answer Correct Answer: D) Transpiration. 11. 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. 12. 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. 13. What does the process of transpiration help with in plants? A) Transporting sugars. B) Gas exchange. C) Pulling water upward. D) Increasing root surface area. Show Answer Correct Answer: C) Pulling water upward. 14. Xylem and phloem are examples of A) Epidermal tissue. B) Connective tissue. C) Protective tissue. D) Vascular tissue. Show Answer Correct Answer: D) Vascular tissue. 15. 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) Bright, windy, dry. C) Dark, still, humid. D) Dark, windy, dry. Show Answer Correct Answer: B) Bright, windy, dry. 16. Name the plant tissue which helps in carrying the food to different parts of the plant A) Phloem. B) Xylem. C) Ascent of sap. D) Active transport. Show Answer Correct Answer: A) Phloem. 17. 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. 18. Which is the main process responsible for the transport of water up the xylem vessels? A) Diffusion. B) Osmosis. C) Transpiration. D) Translocation. Show Answer Correct Answer: C) Transpiration. 19. 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. 20. The only living cells in xylem tissue are A) Xylem sclerenchyma. B) Xylem tracheids. C) Xylem vessels. D) Xylem parenchyma. Show Answer Correct Answer: D) Xylem parenchyma. 21. Which factor will decrease the rate of transpiration? A) Wind. B) Temperature. C) Light intensity. D) Humidity. Show Answer Correct Answer: D) Humidity. 22. 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. 23. An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes A) Water to move into the cell. B) Water to move out of the cell. C) Solutes to move into the cell. D) Solutes to move out of the cell. Show Answer Correct Answer: A) Water to move into the cell. 24. 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. 25. The loss of water in liquid phase from the plant leaves is known as A) Transpiration. B) Guttation. C) Evaporation. D) Diffusion. Show Answer Correct Answer: B) Guttation. ← 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