Assignment on Unit II
Write Short Notes on the following.
1. Describe properties of water.
2. Describe process of diffusion, factors responsible and significance of diffusion.
3. Describe process of osmosis, and significance of osmosis.
4. Describe difference between diffusion and osmosis.
5. What is exo-osmosis and endo-osmosis.
6. Describe osmotic pressure, turgor pressure, wall pressure and DPD.
7. What is diffusion pressure deficit.
8. What is permeable membrane, impermeable membrane, semipermeable membrane, selectively permeable membrane.
9. Describe concept of water Potential and Osmotic Relation of plant cell.
10. Describe process of imbibition, and significance of imbibition.
11. Describe plasmolysis, de-plasmolysis and its significance.
11. Describe difference between among osmotic pressure, turgor pressure, wall pressure and diffusion pressure deficit.
12. Describe difference Between Diffusion Pressure Deficit and Water Potential.
13. Define ascent of sap? Describe path of ascent of sap and its significance?
14. Describe root pressure theory.
15. Describe cohesion-adhesion theory.
16. Describe role of transpiration in ascent of sap.
17. Translocation of organic solute or phloem transport and mechanism of translocation.
18. Describe Munch mass flow hypothesis.
19. Describe passive absorption.
20. Describe active absorption.
21. Define active absorption and describe mechanism of active absorption.
22. Describe carrier concept theory and factors affecting mineral uptake.
23. Describe active absorption of mineral salts and Donnan’s equilibrium.
24. What is mineral uptake and factors affecting the mineral uptake.