Plants which are attached to the stones and rocks are

Options

A. halophytes
B. aerophytes
C. lithophytes
D. psammophytes

Answer

To answer the question "Plants which are attached to the stones and rocks are," we will analyze the options provided and identify the correct one step by step.

### Step-by-Step Solution:

1. **Identify the Options**: The question provides four options:
- Halophytes
- Aerophytes
- Lithophytes
- Samophites

2. **Analyze Each Option**:
- **Halophytes**: These are plants that thrive in saline environments, such as coastal areas. They are not specifically associated with stones and rocks.
- **Hint**: Think about the environment where halophytes grow.
- **Aerophytes**: These plants absorb moisture and nutrients from the air and rain, typically found in tropical climates. They do not grow on rocks.
- **Hint**: Consider how aerophytes obtain their nutrients.
- **Lithophytes**: These are specifically adapted to grow on rocks and stones. They have mechanisms that allow them to anchor themselves to these surfaces.
- **Hint**: Focus on the meaning of "litho" in lithophytes.
- **Samophites**: These plants are adapted to grow in shifting sands, particularly in desert environments. They do not grow on rocks.
- **Hint**: Recall the habitat where samophites are found.

3. **Determine the Correct Answer**: Based on the analysis, the only option that describes plants attached to stones and rocks is **Lithophytes**.

4. **Final Answer**: Therefore, the correct answer is **Lithophytes**.

### Summary:
- The plants that are attached to stones and rocks are called **Lithophytes**.