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Why is osmotic potential given a negativ...

Why is osmotic potential given a negative sign?

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ICSE-TRANSPORT IN PLANTS -TEST YOUR PROGRESS (SHORT/LONG ANSWER TYPE QUESTIONS)
  1. Why is osmotic potential given a negative sign?

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  2. A cell has an osmotic pressure of 15 atmospheres and water evaporates ...

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  3. If the concentration of salt in the soil is too high, the plants may w...

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  4. Describe the path of water from an epidermal cell in a root through th...

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  5. Differentiate between : Translocation and ascent of sap

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  6. Differentiate between : Hypertonic and hypotonic solutions

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  7. Write short notes on: {:("(a) Diffusion pressure deficit", "(b) Plas...

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  8. Transpiration is a necessary evill. Justify the statement. Discuss the...

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  9. Why do well watered plants transpire more rapidly during sunny and win...

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  10. What effect a change of starch to sugar in a cell will have on its wat...

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  11. When water is being translocated at relatively high velocity and is su...

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  12. Cell is called an osmotic system. Explain.

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  13. Compare the cells kept in isotonic, hypotonic and hypertonic solution...

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  14. Define transpiration. Describe a simple experiment to demonstrate this...

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  15. Explain the stomatal movement based on kion-transport.

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  16. The clay soil holds more water than sandy soil. Why?

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  17. Why do molecules diffuse down their concentration gradients ?

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  18. Write short notes on Importance of H2O in plants.

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  19. Write short notes on Advantage of turgidity to plants

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  20. Briefly explain the following physiological processes: Factors affec...

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