Which of the following is poisonous snake :-

Options

A. Typhlop
B. Python
C. Hydrophis
D. Eryx

Answer

To determine which of the given snakes is poisonous, we can analyze each option based on their characteristics:

1. **Typhlox**: This is not a commonly known venomous snake. In fact, Typhlox refers to a genus of snakes that are generally not considered venomous.

2. **Python**: Pythons are large constrictor snakes and are not venomous. They kill their prey by constriction rather than using venom.

3. **Hydrophis**: This is a genus of sea snakes that are indeed venomous. They possess venom that can be harmful to humans.

4. **Erics**: This term is unclear, but it may refer to a group of snakes that are not typically known for being venomous.

Based on this analysis, the only snake among the options that is confirmed to be venomous is **Hydrophis**.

### Step-by-Step Solution:
1. **Identify the Options**: List the snakes provided in the question: Typhlox, Python, Hydrophis, and Erics.

2. **Research Each Snake**: Determine if each snake is venomous or not:
- **Typhlox**: Not venomous.
- **Python**: Not venomous.
- **Hydrophis**: Venomous.
- **Erics**: Not typically venomous.

3. **Conclusion**: Based on the analysis, the only venomous snake from the options is **Hydrophis**.