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MHT CET Medical202623 April 2026Morning ShiftBiologyTransport in PlantsActual

Select the correct statement from the following.

Options

  1. AIn a fully turgid cell, TP = OP.
  2. BIn a fully turgid cell, TP > OP.
  3. CIn a fully turgid cell, DPD = OP.
  4. DTurgor pressure decreases when the cell is placed in hypotonic solution.

Correct answer

A. In a fully turgid cell, TP = OP.

Step-by-step solution

The diffusion pressure deficit (DPD) of a cell is given by the relation DPD = OP - TP, where OP is the osmotic pressure and TP is the turgor pressure. When a cell is fully turgid, it cannot absorb any more water, which means its DPD becomes zero. Substituting DPD = 0 in the equation, we get 0 = OP - TP, which implies OP = TP. When a cell is placed in a hypotonic solution, water enters the cell due to endosmosis, causing the turgor pressure to increase, not decrease. Answer: In a fully turgid cell, TP = OP.

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