Fill in the blanks with suitable words :
d) Cholera is caused by ………

Explanation

**Step-by-Step Solution:**

1. **Identify the Disease**: The question asks about cholera, which is a well-known infectious disease.

2. **Determine the Causative Agent**: Cholera is caused by a specific type of bacteria.

3. **Name the Bacteria**: The bacteria responsible for cholera is called "Vibrio cholerae".

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