When a cell is placed in a solution whose osmotic concentration is equal to cell sap then ,

Options

A. Water moves inside the cell
B. Water moves ouside the cell
C. No net movement of water occurs
D. Cell will be plasmolysed

Answer

**Step-by-Step Solution:**

1. **Understanding Osmosis**: Osmosis is the movement of water across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration. This process continues until equilibrium is reached.

2. **Identifying the Solution**: The question states that a cell is placed in a solution whose osmotic concentration is equal to the cell sap. This indicates that the solution is isotonic relative to the cell sap.

3. **Defining Isotonic Solutions**: An isotonic solution has the same osmotic pressure as the cell sap. This means that the concentration of solutes outside the cell is equal to that inside the cell.

4. **Movement of Water**: In an isotonic environment, water molecules will still move in and out of the cell, but the rate of water entering the cell will be equal to the rate of water exiting the cell. Thus, while there is movement, there is no net movement of water.

5. **Conclusion**: Since the osmotic concentration is equal, we conclude that there is no net movement of water when a cell is placed in this isotonic solution. Therefore, the correct answer to the question is that there is no net movement of water.

**Final Answer**: No net movement of water occurs.

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