Multiple choice

During wine production, if aeration is done, which of the following organisms is likely to grow?

  1. Acetobacter

  2. Lactobacillus

  3. Yeast

  4. Penicillium

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A Correct answer
Explanation

Acetobacter: Wine is produced by alcoholic fermentation of juice from ripe grapes. This is anaerobic fermentation facilitated by yeasts Saccharomyces present in the grape. But Acetobacter is an aerobic organism that is naturally present in grapes, which grows if aeration is done.