Identify the odd one from the list of organisms given below :

Options

A. Hyla
B. Salamandra
C. Icthyopis
D. Calotes

Answer

To identify the odd one out from the list of organisms, we will analyze each option based on their classification.

### Step-by-Step Solution:

1. **Identify the Organisms**:
- The organisms given are:
1. Hyla
2. Salamander
3. Ichthyophis
4. Callotes

2. **Classify Each Organism**:
- **Hyla**: This is a genus of frogs, which belongs to the class **Amphibia**.
- **Salamander**: Salamanders are also amphibians and belong to the class **Amphibia**.
- **Ichthyophis**: This is a genus of limbless amphibians, which also belongs to the class **Amphibia**.
- **Callotes**: This is a genus of lizards, which belongs to the class **Reptilia**.

3. **Determine the Odd One Out**:
- From the classification, we see that:
- Hyla, Salamander, and Ichthyophis all belong to the class **Amphibia**.
- Callotes belongs to the class **Reptilia**.
- Therefore, the odd one out is **Callotes** because it is the only organism that does not belong to the class Amphibia.

### Final Answer:
The odd one from the list is **Callotes**.