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The organism used for alcoholic fermentation, is

1. Pseudomonas
2. Penicillium
3. Aspergillus
4. Saccharomyces

Correct answer: Saccharomyces

Solution

Saccharomyces is a yeast genus that ferments sugars into ethanol and carbon dioxide, which is why it is used in alcoholic fermentation. The other options are bacteria or molds, not the standard fermenting yeast.

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