Which one of the following is not a poisonous snake?

Options

A. Cobra
B. Viper
C. Python
D. Krait

Answer

To determine which of the following snakes is not poisonous, we can analyze each option provided:

1. **Cobra**: Cobras are known to be venomous snakes. They possess a potent neurotoxin that can be harmful to humans and other animals.

2. **Viper**: Vipers are also venomous snakes. They have hemotoxic venom that can cause significant damage to tissues and blood.

3. **Crate**: The crate (or krait) is another type of venomous snake. Its venom is highly toxic and can be lethal.

4. **Python**: Pythons are non-venomous constrictor snakes. They kill their prey by wrapping around them and suffocating them rather than using venom.

Based on this analysis, the snake that is not poisonous is the **Python**.

### Final Answer:
The correct answer is **C. Python**.

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