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Discuss the factors responsible for asce...

Discuss the factors responsible for ascent of xylem sap in plants.

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ASSAM ACADEMIC CENTRE-TRANSPORT IN PLANTS-EXAMPLE
  1. What role does root pressure play in water movement in plants?

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  2. Describe transpiration pull model of water transport in plants. What a...

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  3. Discuss the factors responsible for ascent of xylem sap in plants.

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  4. What essential role does the root endodermis play during mineral absor...

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  5. Explain why xylem transport is unidirectional and phloem transport bi-...

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  6. Explain pressure flow hypothesis of translocation of sugars in plants.

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  7. What causes the opening and closing of guard cells of stomata during t...

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  8. Define translocation.

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  9. What is meant by uniport?

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  10. Mention two similarities between diffusion and facilitated diffusion.

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  11. Why are some transport proteins called pumps?

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  12. Why does transport reach a maximum or become saturated in facilitated ...

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  13. Mention one similarity between transport proteins and enzyme proteins.

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  14. What is the unit of water potential?

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  15. Define solute potential.

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  16. What is the value of water potential of pure water?

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  17. What is the effect of increased and decreased solute concentration on ...

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  18. What determines the cell to cell movement of water in plants?

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  19. Represent the relationship between water potential, solute potential a...

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  20. Name the structures in plant cells which determine the movement of mol...

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