Multiple choice

Anaerobic respiration of yeast and certain bacteria is termed as

  1. Glycolysis

  2. Pasteurisation

  3. Fermentation

  4. Krebs' cycle
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C Correct answer
Explanation

Fermentation is the anaerobic breakdown of glucose by yeast and some bacteria, producing ethanol and CO2. Glycolysis is only the first step, while the Krebs' cycle requires oxygen. Pasteurisation is a heat treatment process to kill microbes, not a metabolic process.

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