Select the correct statement regarding cell wall of plant cells

Options

A. Primary cell wall is chiefly composed of a soluble fibrous polysaccharide called suberin.
B. Secondary cell wall is mainly composed of lignin and is deposited on the outer surface of primary wall.
C. Pits are present in primary walls whereas they are absent in secondary walls.
D. The primary cell walls of adjacent cells are cemented through middle lamella which is composed of calcium and magnesium pectate.

Explanation

To determine the correct statement regarding the cell wall of plant cells, we will analyze each option provided.

### Step-by-Step Solution:

1. **Analyze Option 1**:
- The statement claims that the primary cell wall is chiefly composed of a soluble fibrous polysaccharide called soberin.
- **Fact Check**: The primary cell wall is actually composed of cellulose, hemicellulose, and pectin, not soberin.
- **Conclusion**: This statement is **incorrect**.
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