Which bacteria are responsible for diseases :
(i) Cholera (ii) Tetanus

Explanation

### Step-by-Step Solution

1. **Identify the Diseases**: The question asks for the bacteria responsible for two specific diseases: Cholera and Tetanus.

2. **Bacteria Causing Cholera**:
- Cholera is caused by the bacterium **Vibrio cholerae**.
- This bacterium leads to an infection in the intestines, primarily due to the consumption of contaminated food or water.

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