Which of the following is incorrect about tyloses

Options

A. They are balloon like structures
B. They develop from xylem parenchyma
C. They are called as tracheal plug
D. They develop in the sap wood

Answer

**Step-by-Step Solution:**

1. **Understanding Tyloses**: Tyloses are balloon-like outgrowths that form from the parenchyma cells of xylem vessels. They play a crucial role in protecting the vascular tissue of plants during adverse conditions.

2. **Identifying Characteristics of Tyloses**:
- They are indeed balloon-like structures.
- They develop from xylem parenchyma cells.
- They are referred to as tracheal plugs, which help in blocking the xylem vessels to prevent damage.

3. **Location of Development**: Tyloses are known to develop in the hardwood, not in the sapwood. This is a critical point to note as it helps in identifying the incorrect statement.

4. **Analyzing the Options**: The question asks which statement about tyloses is incorrect. The options provided are:
- They are balloon-like structures.
- They develop from xylem parenchyma.
- They are called tracheal plugs.
- They develop in the sapwood.

5. **Conclusion**: The statement that is incorrect about tyloses is that "they develop in the sapwood." Tyloses actually develop in the hardwood.

**Final Answer**: They develop in the sapwood (this statement is incorrect about tyloses).

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