Plasmolysis/deplasmolysis occurs when tissue is placed in hypertonic solution.

Explanation

### Step-by-Step Solution

1. **Understanding Plasmolysis**:
- Plasmolysis is defined as the shrinkage of the cell due to the loss of water. This occurs when a cell is placed in a solution that has a higher concentration of solutes compared to the inside of the cell.

2. **Defining Hypertonic Solution**:
- A hypertonic solution is one that has a higher concentration of solutes compared to another solution. In this case, when a cell is placed in a hypertonic solution, the external environment has more solute and less water.

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