Length of petiole increases due to division of

Options

A. Apical meristem
B. Lateral meristem
C. lntercalary meristem
D. All of these

Answer

To answer the question "Length of petiole increases due to division of," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Petiole Growth**: The petiole is the stalk that attaches the leaf blade to the stem. Its length can increase due to cell division.

2. **Identifying the Type of Tissue Responsible for Growth**: The growth in length of plant structures is primarily due to the activity of meristematic tissues. These tissues are responsible for the formation of new cells.

3. **Types of Meristematic Tissues**:
- **Apical Meristem**: Located at the tips of roots and shoots, responsible for primary growth (lengthening).
- **Lateral Meristem**: Involved in secondary growth (thickening) of stems and roots.
- **Intercalary Meristem**: Found at the base of leaves and internodes, responsible for the elongation of stems and petioles.

4. **Focusing on the Relevant Meristem**: Since the question specifically asks about the increase in length of the petiole, we need to identify which type of meristem contributes to this growth.

5. **Conclusion**: The intercalary meristem is responsible for the increase in length of the petiole as it is located at the base of the petiole and at the nodes of the stem. Therefore, the correct answer is **intercalary meristem**.

### Final Answer:
The length of the petiole increases due to the division of **intercalary meristem**.

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