Yeast is used in the production of :

Options

A. sugar
B. alcohol
C. hydrochloric acid
D. oxygen

Answer

**Step-by-Step Solution:**

1. **Identify the Organism**: The question asks about yeast, which is a type of unicellular fungus.

2. **Understand the Role of Yeast**: Yeast is commonly used in various processes, particularly in fermentation.

3. **Define Fermentation**: Fermentation is a biochemical process where microorganisms like yeast convert sugars into alcohol and carbon dioxide in the absence of oxygen.

4. **List Possible Products of Fermentation**: The fermentation process primarily produces two main products: alcohol (ethanol) and carbon dioxide (CO2).

5. **Select the Correct Option**: Among the options provided (sugar, alcohol, hydrochloric acid, and oxygen), the most relevant product of yeast fermentation is alcohol.

6. **Conclusion**: Therefore, yeast is used in the production of alcohol.

**Final Answer**: Yeast is used in the production of **alcohol**.

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