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Everyday Science Medium FPSC PPSC NTS Uploaded: 25 Jun 2026

Which microorganism is primarily responsible for fermenting sugars into alcohol in brewing and winemaking?

  • A Bacteria
  • B Yeast
  • C Algae
  • D Protozoa
Correct Answer: Option B — Yeast
Explanation:
Yeast ferments sugars into alcohol and carbon dioxide through anaerobic respiration making it essential for brewing beer producing wine and baking bread.
Submitted by: PaperMCQs
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