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What happens when a pressure greater tha...

What happens when a pressure greater than the atmospheric pressure is applied to pure water on a solution?

A

Water potential turns zero

B

Water potential becomes more negative

C

`Psi_(w)` tums positive

D

Pure water become impure

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The correct Answer is:
C
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AAKASH SERIES-TRANSPORT IN PLANTS -EXERCISE III
  1. What happens when a pressure greater than the atmospheric pressure is ...

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  2. The water potential of pure water is:

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  3. Which of the following facillitates opening of stomatal aperture ?

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  4. Specialised epidermal cells surrounding the guard cell are called

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  5. The phloem sap is

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  6. Water vapour comes out from the plant leaf through the stomata} openin...

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  7. Root pressure is usually because of

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  8. Roots play insignificant in absorption of water in :

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  9. A column of water within xylem vessels of tall trees does not break un...

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  10. Transpiration and root pressure cause water to rise in plants by

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  11. The osmotic expansion of a cell kept in water is chiefly regulated by

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  12. Lenticels are involved in

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  13. Which of the following criteria does not pertain to facilitated transp...

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  14. Which one of the following is correctly matched

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  15. Guard cells differ from other epidermal cells in having

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  16. Which one of the following elements in plants is not remobilised ?

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  17. Guttation is the result of

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  18. which one of the following structures between two adjacent cells is an...

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  19. Guard cell help in :

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  20. The rupture and fractionation do not usually occur in the water column...

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  21. Two cells A and B are contiguous, Cell A has osmotic pressure 10 atm, ...

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