When the mesophyll cells lose water, their DP | vedclass

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(A) $DPD$ (Diffusion Pressure Deficit) is defined as the difference between the diffusion pressure of pure solvent and the diffusion pressure of the s

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Increases

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(A) $DPD$ (Diffusion Pressure Deficit) is defined as the difference between the diffusion pressure of pure solvent and the diffusion pressure of the solution. When mesophyll cells lose water, the concentration of solutes within the cell increases, which decreases the water potential $\Psi_w$ and increases the $DPD$. Mathematically, $DPD = OP - TP$. As the cell loses water, the Turgor Pressure $(TP)$ decreases, which leads to an increase in the $DPD$ value.

When the mesophyll cells lose water, their $DPD$:

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