Fill in the blanks with suitable words :
a) Alcohol is produced with the help of ………

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the organism that helps in the production of alcohol.

2. **Identifying the Process**: Alcohol is produced through a process known as fermentation, which occurs under anaerobic conditions (in the absence of oxygen).

3. **Recognizing the Organism**: The organism responsible for this fermentation process is yeast. Yeast is a type of fungus that is unicellular.

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