Plants growing in saline soil with high salt concentration are:

Options

A. Xerophytes
B. Halophytes
C. Heliophytes
D. Hydrophytes

Answer

To answer the question "Plants growing in saline soil with high salt concentration are:", we need to analyze the options provided: Xerophytes, Halophytes, Heliophytes, and Hydrophytes.

### Step-by-Step Solution:

1. **Understanding Xerophytes**:
- Xerophytes are plants that are adapted to dry environments. They have special adaptations to conserve water, making them suitable for arid conditions.
- **Example**: Cacti are a common example of xerophytic plants.

2. **Understanding Halophytes**:
- Halophytes are specifically adapted to grow in saline environments, meaning they can tolerate high salt concentrations in the soil.
- These plants thrive in conditions where the salt concentration is high, such as coastal areas, marshes, and wetlands.
- **Example**: Mangroves are a typical example of halophytic plants.

3. **Understanding Heliophytes**:
- Heliophytes are plants that require a lot of sunlight for their growth. They are not specifically related to saline conditions.
- **Example**: Sunflowers are an example of heliophytes.

4. **Understanding Hydrophytes**:
- Hydrophytes are plants that grow in water or very moist conditions. They do not necessarily thrive in saline environments.
- **Example**: Water lilies are a common example of hydrophytic plants.

5. **Conclusion**:
- Based on the definitions and examples, the correct answer to the question is **Halophytes**. These are the plants that specifically grow in saline soil with high salt concentration.

### Final Answer:
**Halophytes**