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D.P.D is equal to...

D.P.D is equal to

A

O.P-T.P

B

O.P+W.P

C

T.P

D

O.P

Text Solution

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The correct Answer is:
### Step-by-Step Solution: 1. **Understanding D.P.D**: D.P.D stands for Diffusion Pressure Deficit. It is a term used to measure the difference in pressure between the osmotic pressure and the turgor pressure within a cell. 2. **Define Osmotic Pressure (OP)**: Osmotic pressure is the pressure required to prevent the flow of water across a semi-permeable membrane due to osmosis. It is the pressure that pulls water into the cell, thereby influencing the volume of the cell. 3. **Define Turgor Pressure (TP)**: Turgor pressure is the pressure exerted by the fluid (usually water) inside the cell against the cell wall. It helps maintain the cell's shape and keeps it firm. 4. **Formula for D.P.D**: The formula to calculate D.P.D is: \[ \text{D.P.D} = \text{Osmotic Pressure (OP)} - \text{Turgor Pressure (TP)} \] 5. **Conclusion**: Therefore, D.P.D is equal to the difference between osmotic pressure and turgor pressure. This means that the correct answer is: \[ \text{D.P.D} = \text{Osmotic Pressure} - \text{Turgor Pressure} \]
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