Single-layered cells present in the outer layer as surface tissue in plants is ______

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a specific type of plant tissue that consists of a single layer of cells and serves as the outer layer of the plant.

2. **Identifying the Tissue**: In plants, the outermost layer of cells is known as the "epidermis." This tissue is typically made up of a single layer of cells.

3. **Functions of the Epidermis**:
- **Protection**: The epidermis protects the plant from water loss and physical damage.
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