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प्रश्न
Answer the following question.
Define and or explain the term:
DPD
उत्तर
- Diffusion pressure of pure solvent (pure water) is always more than the diffusion pressure of the solvent in a solution. The difference in the diffusion pressures of pure solvent and the solvent in a solution is called Diffusion Pressure Deficit (DPD) or Suction Pressure (SP).
- The term DPD was coined by B.S. Meyer (1938). Nowadays, term water potential is used for DPD.
- In colloquial language, the term DPD is actually the thirst of a cell with which it absorbs water from the surroundings.
- The water around the cell wall has more diffusion pressure than cell sap. Due to this, water moves in the cell by diffusion.
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Very short answer question.
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