The unique character of plant cell is

Options

A. presence of cell wall
B. presence of plasma membrane
C. presence of a distinct nucleus
D. presence of a clearly demarcated protoplasm

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the unique character of plant cells.

2. **Understand Plant Cells**: Plant cells are eukaryotic cells, which means they have a defined nucleus and organelles. However, we need to find what makes them unique compared to animal cells.

3. **Consider the Structure of Plant Cells**: One of the most notable features of plant cells is the presence of a cell wall. This structure surrounds the cell membrane and provides support and protection.

4. **Composition of the Cell Wall**: The cell wall in plant cells is primarily composed of cellulose, a carbohydrate that is not found in animal cells. This is a significant distinction.

5. **Compare with Animal Cells**: In contrast, animal cells do not have a cell wall; they only have a plasma membrane. This absence of a cell wall is a key difference between plant and animal cells.

6. **Evaluate Other Options**:
- Presence of plasma membrane: This is found in both plant and animal cells, so it is not unique.
- Presence of distinct nucleus: Both plant and animal cells have a nucleus, so this is also not unique.
- Presence of clearly demarcated protoplasm: Protoplasm is present in both types of cells, making this option incorrect as well.

7. **Conclusion**: The unique character of plant cells is the presence of a cell wall made of cellulose.

**Final Answer**: The unique character of plant cells is the presence of a cell wall made of cellulose.

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