Transport in Plants
NCERT solutions for Class 11 Biology
NCERT Class 11 Biology Chapter wise Solutions
UNIT I: DIVERSITY IN THE LIVING WORLD
- 1 : The Living World
- 2 : Biological Classification
- 3 : Plant Kingdom
- 4 : Animal Kingdom
UNIT II: STRUCTURAL ORGANISATION IN PLANTS AND ANIMALS
- 5 : Morphology of Flowering Plants
- 6 : Anatomy of Flowering Plants
- 7 : Structural Organisation in Animals
UNIT III: CELL: STRUCTURE AND FUNCTIONS
- 8 : Cell : The Unit of Life
- 9 : Biomolecules
- 10 : Cell Cycle and Cell Division
UNIT IV: PLANT PHYSIOLOGY
- 11 : Transport in Plants
- 12 : Mineral Nutrition
- 13 : Photosynthesis in Higher Plants
- 14 : Respiration in Plants
- 15 : Plant Growth and Development
UNIT V: HUMAN PHYSIOLOGY
- 16 : Digestion and Absorption
- 17 : Breathing and Exchange of Gases
- 18 : Body Fluids and Circulation
- 19 : Excretory Products and their Elimination
- 20 : Locomotion and Movement
- 21 : Neural Control and Coordination
- 22 : Chemical Coordination and Integration
NCERT Solutions For Class 11 Biology Transport in Plants
Chapter 11 – Class 11 Biology Transport in Plants
1. What are the factors affecting the rate of diffusion?
2. What are porins? What role do they play in diffusion?
3. Describe the role played by protein pumps during active transport in plants.
4. Explain why pure water has the maximum water potential.
5. Differentiate between the following:
(a) Diffusion and Osmosis
(b) Transpiration and Evaporation
(c) Osmotic Pressure and Osmotic Potential
(d) Imbibition and Diffusion
(e) Apoplast and Symplast pathways of movement of water in plants.
(f) Guttation and Transpiration.
6. Briefly describe water potential. What are the factors affecting it?
7. What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?
8. (a) With the help of well-labelled diagrams, describe the process of plasmolysis in plants, giving appropriate examples.
(b) Explain what will happen to a plant cell if it is kept in a solution having higher water potential.
9. How is the mycorrhizal association helpful in absorption of water and minerals in plants?
10. What role does root pressure play in water movement in plants?
11. Describe transpiration pull model of water transport in plants. What are the factors influencing transpiration? How is it useful to plants?
12. Discuss the factors responsible for ascent of xylem sap in plants.
13. What essential role does the root endodermis play during mineral absorption in plants?
14. Explain why xylem transport is unidirectional and phloem transport bi-directional.
15. Explain pressure flow hypothesis of translocation of sugars in plants.
16. What causes the opening and closing of guard cells of stomata during transpiration?