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An osmotically active substance is that ...

An osmotically active substance is that which can

A

cause osmotic entry of some solutes into it

B

cause osmotic entry of solutes as well as solvent into it

C

cause an osmotic entry of water into it

D

all are correct

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The correct Answer is:
C
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. Which of the following has the higher water potential ?

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  2. During absorption of water by roots , the water potential of cell sap ...

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  3. An osmotically active substance is that which can

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  4. The relationship of DPD , to OP , TP and WP is

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  5. A cell is plasmolysed after being kept in hypertonic solution . What w...

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  6. The potential energy of water is referred to as

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  7. Addition of a solute to pure water causes

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  8. Water potential and osmotic potential of pure water are

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  9. What would be Psi(P) in cell A and cell B respectively ?

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  10. Cell A has osmotic potential of -18 bars and pressure potential of 8 b...

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  11. If a cell loses water its D.P.D.

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  12. A cell 'A' has Psi(W)=-18 bars and its adjacent cell 'B' has a water p...

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  13. Whter potential of a solution is always

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  14. When the cell is turgid

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  15. Reduction of water potential due to presence of solute is

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  16. If a plant cell has Psi(S) value of -10 bar and Psi(P) value of +5 bar...

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  17. Which one is correct ?

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  18. Plant cells do not burst in distilled water because

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  19. If cell (A) with OP =5 and TP=4 is surrounded by cells with OP =3 and ...

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  20. The actual pressure with which water enters into the cell is called

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