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The process of plasmolysis is usually ir...

The process of plasmolysis is usually irreversible.

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Read the following statements and choose the correct option. (A) Osmotic pressure is equivalent to the osmotic potential but the sign is opposite. (B) During plasmolysis water is first lost from the vacuole then from the cytoplasm. (C) The process of plasmolysis is usually reversible

Incipient plasmolysis is

Plasmolysis is due to

Give importance of plasmolysis?

Which is an irreversible process ?

With the help of well-labelled diagrams, describe the process of plasmolysis in plants giving appropriate examples

Assertion : A quasi static isothermal expansion of an ideal gas in a cylinder fitted with a frictionless movable pistonis a irreversible process. Reason : A process is irreversible only if system remains in equilibrium with the surroundings at every stage.

Assertion : All spontaneous processes are thermodynamically irreversible. Reason : In a reversible isothermal process, there is no net change in entropy.

Assertion: Thermodynamics process in nature are irreversible. Reason: Dissipative effects cannot be eliminated.

In plasmolysis, a plant cell

ALLEN-TRANSPORT IN PLANTS-EXERCISE
  1. Study the given figure carefully and select the true and false stateme...

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  2. Because of the rigidity of cell wall the cell does not rupture.

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  3. The process of plasmolysis is usually irreversible.

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  4. In mass flow substances whether in solution or in suspension are swept...

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  5. Root hairs are thin-walled slender extensions of root epidermal cells ...

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  6. Water is absorbed alongwith mineral solutes by the root hairs, purely ...

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  7. Symplastic movement may be aided by cytoplasmic streaming

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  8. Most of the water flow in the roots occurs via the apoplast since the ...

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  9. Most plants meet their need of water transport by root pressure.

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  10. Cohesion-tension-transpiration pull model explain that water is mainly...

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  11. Water is transient in plants, less than 1 percent of the water reachin...

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  12. The inner wall of each guard cell towards the pore or stomatal apertur...

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  13. Transpiration helps to transport minerals from the soil to all parts o...

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  14. Transpiration maintains the shape and structure of the plants by keepi...

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  15. C4 plants are more efficient than C3 plants in terms of fixing carbon...

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  16. A C(4) plant loses as much water as a C(3) plant for the same amount o...

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  17. Minerals are present in the soil as charged particles (ions) which can...

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  18. Concentration of minerals in the soil is usually "" than the concentra...

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  19. Small amounts of P and S are carried as organic compounds

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  20. Xylem transports only inorganic nutrients while phloem transports only...

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