Margo is a part of

Options

A. Simple pit
B. Stomata
C. Bordered pit
D. Lenticel

Answer

To answer the question "Margo is a part of what?" we need to analyze the options provided and understand the context of the term "Margo" in relation to plant anatomy.

### Step-by-Step Solution:

1. **Understanding the Context**: The term "Margo" is mentioned in relation to plant structures. It is important to identify which part of the plant anatomy it refers to.

2. **Identifying the Options**: The options given are:
- Simple pit
- Stomata
- Bordered pit
- Lenticel

3. **Analyzing Each Option**:
- **Simple Pit**: This is a type of pit found in plant cell walls, but it does not specifically include the structure known as "Margo."
- **Stomata**: These are small openings on the surfaces of leaves and stems that allow gas exchange. They do not contain "Margo."
- **Bordered Pit**: This is a specialized type of pit found in the cell walls of certain plants, particularly gymnosperms. The "Margo" is a component of the bordered pit structure, surrounding the central impermeable area known as the "torus."
- **Lenticel**: These are openings in the bark of woody plants that facilitate gas exchange. They do not relate to "Margo."

4. **Conclusion**: Based on the analysis, "Margo" is specifically a part of the bordered pit structure. Therefore, the correct answer is **bordered pit**.

### Final Answer:
Margo is a part of **bordered pit**.