Cell wall is

Options

A. living and impermeable
B. permeable, dead with pits
C. dead permeable without pits
D. living semipermeable with pits

Answer

### Step-by-Step Solution:

1. **Definition of Cell Wall**: The cell wall is a rigid outer layer that surrounds the cytoplasm of plant cells and certain fungi. It provides structural support and protection to the cell.

2. **Composition and Nature**: The cell wall is primarily composed of cellulose in plants, which makes it a non-living structure. Unlike the cell membrane, which is semi-permeable, the cell wall is highly permeable, allowing various substances to pass through freely.

3. **Relationship with Cell Membrane**: Beneath the cell wall lies the plasma membrane (or cell membrane), which is semi-permeable. This means it selectively allows certain molecules to enter or exit the cell, while the cell wall permits the free movement of both solvent and solute molecules.

4. **Pits in the Cell Wall**: The cell wall has structures known as pits. These are small openings that allow for the exchange of fluids and communication between adjacent cells. The presence of pits is a characteristic feature of the cell wall.

5. **Conclusion**: In summary, the cell wall is a non-living, highly permeable structure that contains pits for fluid exchange. It serves as a protective barrier and provides shape to the cell.

### Final Answer:
The cell wall is a **non-living**, **permeable** structure that contains **pits** for fluid exchange.

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