Consider the following statements and choose the incorrect One:

Options

A. Soil is used to make earthenware or pottery.
B. Soil is used to make bricks and mortar for building houses.
C. Soil is used to grow only cotton plants.
D. Soil is used to grow trees for obtaining wood, fruits etc.

Explanation

To solve the question regarding which statement about soil is incorrect, we will analyze each statement one by one.

### Step-by-Step Solution:

1. **Analyze Statement 1**: "Soil is used to make earthenware and pottery."
- This statement is **correct**. Soil, particularly clay, is indeed used to make earthenware and pottery.

2. **Analyze Statement 2**: "Soil is used to make bricks and mortar for building houses."
- This statement is also **correct**. Soil is a key component in the production of bricks and mortar, which are used in construction.

3. **Analyze Statement 3**: "Soil is used to grow only cotton plants."
- This statement is **incorrect**. Soil is not limited to growing only cotton plants; it can support a wide variety of plants, including vegetables, fruits, and other crops.

4. **Analyze Statement 4**: "Soil is used to grow trees for obtaining roots, etc."
- This statement is **correct**. Soil is essential for growing trees, which can provide roots and other products.

### Conclusion:
The incorrect statement among the options provided is **Statement 3**: "Soil is used to grow only cotton plants."

### Final Answer:
The incorrect statement is **Option 3**.

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