Select the correct option regarding the wall of parenchyma.
A. Thick
B. Made of pectin
C. Thin
D. Made of cellulose

Options

A. A and B
B. A and D
C. B and C
D. C and D

Answer

To solve the question regarding the wall of parenchyma, we need to analyze each of the options provided:

1. **Understanding Parenchyma**: Parenchyma is a type of simple tissue in plants composed of cells that are generally similar in structure and function. They are primarily involved in functions such as photosynthesis, storage, and secretion.

2. **Analyzing the Options**:
- **Option A: Thick** - This is incorrect. Parenchyma cells have thin walls.
- **Option B: Made of pectin** - This is also incorrect. While pectin can be found in some plant cell walls, parenchyma cell walls are primarily composed of cellulose.
- **Option C: Thin** - This is correct. Parenchyma cells have thin cell walls.
- **Option D: Made of cellulose** - This is also correct. The primary component of parenchyma cell walls is cellulose.

3. **Conclusion**: The correct options regarding the wall of parenchyma are C (Thin) and D (Made of cellulose).

### Final Answer:
The correct options are:
- C. Thin
- D. Made of cellulose