Increase of the following results due to intussusception is

Options

A. Surface area
B. Thickness
C. Permeability
D. Flexibility

Answer

To solve the question regarding the increase of intussusception in relation to the options provided (surface area, thickness, permeability, and flexibility), we can follow these steps:

### Step-by-Step Solution:

1. **Understand Intussusception**:
- Intussusception refers to the process where new material is added to the existing structure, particularly in the context of plant cell walls where cellulose is deposited.

2. **Identify the Role of Cellulose**:
- Cellulose is a crucial component of plant cell walls. It provides strength and structure to the cell wall, making it essential for the plant's growth and development.

3. **Analyze the Options**:
- **Surface Area**: Increasing surface area does not directly relate to intussusception as it merely expands the area without affecting the internal structure.
- **Thickness**: Thickness relates to apposition (the addition of layers) rather than intussusception, which involves the incorporation of materials into the existing structure.
- **Permeability**: This refers to the ability of substances to pass through the cell wall and does not influence the process of intussusception.
- **Flexibility**: Flexibility is crucial as it allows the cell wall to adapt and grow. Increased flexibility indicates that the cellulose structure is more dynamic, which is directly related to the process of intussusception.

4. **Conclusion**:
- Among the options, **flexibility** is the one that, when increased, results in greater intussusception due to the enhanced ability of the cell wall to incorporate new cellulose and adapt to growth.

### Final Answer:
The increase of **flexibility** results in intussusception.

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