Which of the following is an example of primary lateral meristem ?

Options

A. Cork cambium
B. Vascular cambium
C. Inter fascicular cambium
D. Intrafascicular cambium

Answer

To determine which of the following is an example of a primary lateral meristem, let's analyze the options provided: cork cambium, vascular cambium, interfascular cambium, and intrafascular cambium.

### Step-by-Step Solution:

1. **Understanding Meristems**:
- Meristems are regions in plants where cells are actively dividing. They play a crucial role in the growth of the plant.

2. **Types of Meristems**:
- There are two main types of meristems: primary and secondary. Primary meristems are responsible for the initial growth in length, while secondary meristems contribute to growth in thickness.

3. **Identifying Lateral Meristems**:
- Lateral meristems are involved in secondary growth and are typically found in specific locations within the plant. They include:
- **Vascular Cambium**: Located between the xylem and phloem, responsible for the production of secondary xylem and phloem.
- **Cork Cambium**: Produces the outer protective layer of the plant (cork).
- **Interfascicular Cambium**: Found between vascular bundles, contributing to the growth of the plant.

4. **Evaluating the Options**:
- **Cork Cambium**: This is a lateral meristem but is not classified as a primary lateral meristem.
- **Vascular Cambium**: This is also a lateral meristem but not a primary lateral meristem.
- **Interfascicular Cambium**: This is a primary lateral meristem as it is involved in the growth between vascular bundles.
- **Intrafascular Cambium**: This term is not commonly used and does not refer to a primary lateral meristem.

5. **Conclusion**:
- The only correct answer among the options provided is **Interfascicular Cambium**, as it is classified as a primary lateral meristem.

### Final Answer:
**Interfascicular Cambium** is an example of a primary lateral meristem.