Q. For a plasmolysed cell which of the following equation is correct :

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Q. For a plasmolysed cell which of the following equation is correct :

Q. For a plasmolysed cell which of the following equation is correct :

  1. DPD = OP + TP
  2. DPD = -TP
  3. DPD = OP
  4. DPD = OP – TP

Solution :

Correct option : A For turgid cell, OP = TP; DPD = 0.For flaccid cell, OP not equal to 0 , TP = 0; DPD = OP.
For plasmolysed cell, TP is negative; DPD = OP-(-TP); DPD = OP+TP (Maximum).
TP = pressure applied by protoplast.
OP = pressure require to stop entry of water.
Thus, the correct answer is ‘DPD = OP + TP.’

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