Ethanol fermentation in yeast produces

  1. lactate
  2. oxygen and water
  3. lactate and CO₂
  4. ethanol and carbon dioxide
Answer

D) ethanol and carbon dioxide

Pyruvate → ethanal + CO₂ → ethanol. AS & A Level Biology · Topic 12 Energy and Respiration · 12.2 Respiration

Biology MCQ · More A Level Biology: Energy and respiration MCQs · Practise