In a fully turgid plant cell, which one is zero?

Turgor pressure

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Wall pressure

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DPD

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None of the above

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Solution

The correct option is B DPD
DPD means diffusion pressure deficit. It is the fall in diffusion pressure due to the presence of solute particles. Water flows from a region of low DPD to a region of high DPD. DPD is calculated as the difference of osmotic pressure and turgor pressure. In a fully turgid cell DPD is zero, because osmotic pressure is equal to turgor pressure.

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