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Name different theories to explain water...

Name different theories to explain water translocation.

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(a) Root pressure, (b) Capillary theory, (c) Cohesion theory.
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MODERN PUBLICATION-TRANSPORT IN PLANTS-REVISION EXERCISES (SHORT ANSWER QUESTIONS)
  1. List the environmental factors which affect transpiration.

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  2. What is consequence of efflux of K^(+) ions?

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  3. Name different theories to explain water translocation.

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  4. Name the conditions on which osmotic pressure depends.

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  5. Why is turgidity of cells essential for plants?

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  6. Differentiate between diffusion and osmosis.

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  7. Suggest two type of treatments for reducing transpiration in plants in...

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  8. What causes the leaves of the grasses to rol in dry weather?

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  9. List any four mechanism that contribute to the ascent of sap in tall t...

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  10. What is the role of K^(+) ions in the opening of stomata?

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  11. Discuss the pathways by which water moves into root.

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  12. Transpiration is a necessary evil in plants. Explain

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  13. Differentiate between passive and active water absorption.

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  14. The movement of water through the root layers is ultimately symplastic...

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  15. Differentiate between TP and WP. How do changes in TP helps in opening...

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  16. What are guard cells. Describe the structure of typical guard cells.

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  17. Define the terms : Plasmolysis, deplasmolysis, endosmosis and exosmosi...

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  18. Write a note on guttation.

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  19. Write the importance of osmosis in plants.

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  20. Write the importance of imbibition.

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