. Which process of respiration is more efficient—aerobic or anaerobic? Explain with equations.
GeneralClass 12AllAnswered 27 Mar 2026
Answer
|
Type |
ATP Yield |
Efficiency |
|
Aerobic respiration |
36–38 ATP |
High |
|
Anaerobic respiration |
2 ATP |
Low |
Aerobic:
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + 36–38 ATP
Anaerobic (Alcoholic):
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂ + 2 ATP
Anaerobic (Lactic acid):
C₆H₁₂O₆ → 2CH₃CHOHCOOH + 2 ATP
Aerobic respiration is far more efficient because it completely oxidizes glucose, extracting maximum energy.
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