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JIPMER 2004
Exam
JIPMER
Year
2004
Subject
Botany
Chapter
Transport in Plants

JIPMER 2004 · Botany · Transport in Plants

The real forces responsible for the movement of water from one cell...

The real forces responsible for the movement of water from one cell to another cell is mainly

Options

  1. AOsmotic Pressure (OP)
  2. BTurgor Pressure (TP)
  3. CDiffusion Pressure Deficit (DPD)
  4. Dimbibition

Correct answer

C. Diffusion Pressure Deficit (DPD)

Step-by-step solution

The net force with which water is drawn into a cell is equal to difference of OP and TP, known as diffusion pressure deficit or suction pressure. DPD of pure water is maximum ( ≈1236 atm\approx 1236 \mathrm{~atm} ) solvent moves from cell of low DPD to high DPD. DPD, or SP=OP−TP\mathrm{SP}=\mathrm{OP}-\mathrm{TP}.
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