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Per NCERT, what does AEROBIC respiration produce from pyruvate using oxygen?
ALactic acid only
BAlcohol and water
CEthanol and CO₂
D3 molecules of CO₂ and water (releases much more energy than anaerobic)
Answer & Solution
Correct answer: D. 3 molecules of CO₂ and water (releases much more energy than anaerobic)
Per NCERT §5.3, aerobic: pyruvate + O₂ → 3 CO₂ + H₂O + much energy. Lactic acid is anaerobic (muscle); ethanol+CO₂ is yeast fermentation.
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