What is the direction of the movement of water have the same OP but differ in TP?

Options

A. No net flow
B. From lower TP to higher TP
C. From higher TP to lower TP
D. None of these

Answer

To answer the question about the direction of water movement when two cells have the same osmotic pressure (OP) but differ in turgor pressure (TP), we can break down the solution into the following steps:

### Step-by-Step Solution:

1. **Define Key Terms**:
- **Osmotic Pressure (OP)**: The pressure required to prevent the flow of water into a solution via osmosis. It reflects the concentration of solutes in the solution.
- **Turgor Pressure (TP)**: The pressure exerted by the fluid (usually water) inside the cell against the cell wall. It is a measure of the cell's water content and is crucial for maintaining cell structure.
- **Diffusion Pressure Deficit (DPD)**: This is calculated as DPD = OP - TP. It indicates the potential of water to move into the cell.

2. **Understand the Scenario**:
- In this case, we have two cells that are in direct contact with each other. Both cells have the same osmotic pressure (OP), but their turgor pressures (TP) are different.

3. **Analyze the DPD**:
- Since the osmotic pressure (OP) is the same for both cells, the difference in water movement will depend solely on the turgor pressure (TP).
- The DPD will differ between the two cells because DPD is influenced by TP. If one cell has a higher TP, it will have a lower DPD compared to the cell with a lower TP.

4. **Determine the Direction of Water Movement**:
- Water moves from an area of lower DPD to an area of higher DPD. Therefore, if one cell has a higher turgor pressure, it will have a lower DPD, and water will move from the cell with lower TP (higher DPD) to the cell with higher TP (lower DPD).

5. **Conclusion**:
- Thus, the direction of water movement will be from the cell with lower turgor pressure (higher DPD) to the cell with higher turgor pressure (lower DPD).

### Final Answer:
Water will move from the cell with lower turgor pressure (TP) to the cell with higher turgor pressure (TP).

---