This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 11 Transport In Plants – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 11 Transport In Plants Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Transpiration keeps plant cells flaccid. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 2. When is the rate of transpiration likely to be greatest? A) On a cool day with no air movements. B) On a warm day with no air movement. C) On a warm day with high wind speed. D) On a cool windy day. Show Answer Correct Answer: C) On a warm day with high wind speed. 3. Roots play insignificant role in absorption of water in A) Pistia. B) Pea. C) Wheat. D) Sunflower. Show Answer Correct Answer: A) Pistia. 4. What are the main organic compounds transported in the phloem? A) Minerals and water. B) Starch and cellulose. C) Sugars and amino acids. D) Oxygen and carbon dioxide. Show Answer Correct Answer: C) Sugars and amino acids. 5. Plants have a compact body structure similar to animals. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 6. In apoplastic pathway, water moves through the A) Plasmodesmata. B) Cell wall. C) Mesophyll. D) Sieve tube elements. Show Answer Correct Answer: B) Cell wall. 7. In which part of the plant is metaxylem typically found? A) In the growing regions behind the root and shoot tips. B) In the mature parts of the plant. C) In the leaves. D) In the flowers. Show Answer Correct Answer: B) In the mature parts of the plant. 8. What factors influence source and sink locations? A) Season. B) Humidity. C) Sunlight. D) None of these. Show Answer Correct Answer: A) Season. 9. For shoots growing from tubers, food moves from the tubers to the shoots. Which of the following statements in correct? A) Sink to source. B) Source to sink. C) Sink to sink. D) Source to source. Show Answer Correct Answer: B) Source to sink. 10. Water and minerals are transported from a plant's roots to leaves through long, hollow tubes called ..... A) Phloem. B) Stem. C) Xylem. D) Root hair cells. Show Answer Correct Answer: C) Xylem. 11. Explain how root hairs are adapted for absorption of water. A) They are covered with thick cuticle. B) They are short and few in number. C) They have large surface area and thin walls. D) They are woody and lignified. Show Answer Correct Answer: C) They have large surface area and thin walls. 12. More root hairs will lead to A) Less transpiration. B) More transpiration. C) Closure of stomata. D) None of the above. Show Answer Correct Answer: B) More transpiration. 13. The tendency of water to move towards greater solute concentration is the example of- A) Active transport. B) Osmolarity. C) Diffusion. D) Passive transport. Show Answer Correct Answer: C) Diffusion. 14. A bottle filled with previously moistened Mustard seeds and water was screw capped tightly and kept in a corner. It blew up suddenly after about half an hour. The phenomenon involved is A) Diffusion. B) Imbibition. C) Osmosis. D) D.P.D. Show Answer Correct Answer: B) Imbibition. 15. More water in a plant causes the guard cells to be ..... and therefore the ..... the stomata. A) Turgid, close. B) Flaccid, open. C) Flaccid, close. D) Turgid, open. Show Answer Correct Answer: D) Turgid, open. 16. Rate of transpiration increases when conditions become ..... A) More humid, more windy. B) Less humid, less windy. C) More humid, less windy. D) Less humid, more windy. Show Answer Correct Answer: D) Less humid, more windy. 17. List the materials needed to investigate water transport in a celery stalk. A) Carrot sticks. B) Blue food coloring. C) Celery stalk, colored water, clear container, knife, ruler, stopwatch. D) Plastic bag. Show Answer Correct Answer: C) Celery stalk, colored water, clear container, knife, ruler, stopwatch. 18. Water channel consists of how many types of aquaporins A) 1. B) 84. C) 8. D) 9. Show Answer Correct Answer: C) 8. 19. Resistance to drought is reduced by excessive transpiration. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 20. Elements which are transported throughout plants are called A) Inorganic. B) Sieve elements. C) Key elements. D) Phloem elements. Show Answer Correct Answer: B) Sieve elements. 21. Where is the xylem found in a root cross-section of a dicotyledonous plant? A) Outer cortex. B) Center of the root. C) Between the epidermis and cortex. D) In the epidermis. Show Answer Correct Answer: B) Center of the root. 22. Kelayuan tumbuhan berlaku apabila A) Air tidak mencukupi. B) Nutrien tidak mencukupi. C) Garam mineral tidak mencukupi. D) None of the above. Show Answer Correct Answer: A) Air tidak mencukupi. 23. ATP and protein are supplied to sieve tube elements by which other cell? A) Xylem vessel. B) Sieve tube element. C) Companion cell. D) Tracheid. Show Answer Correct Answer: C) Companion cell. 24. Passive Absorption of Mineral depends on:AIPMT Mains 2011 A) 1.Temperature. B) 2.Temperature and Metabolic inhibitor. C) 3.Metabolic inhibitor. D) 4.Humidity. Show Answer Correct Answer: A) 1.Temperature. 25. An incense stick lit in one corner of the room, spreads fragrance in the whole room. This is an example of A) Active transport. B) Facilitated Diffusion. C) Diffusion. D) None of the above. Show Answer Correct Answer: C) Diffusion. ← 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 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 10Class 11 Biology Chapter 11 Transport In Plants Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books