The chemical equation for cellular respiration in humans is:
AC₆H₁₂O₆ + O₂ → CO₂ + H₂O + energy
BCO₂ + H₂O → glucose + O₂
CStarch + water → glucose
DProteins → amino acids
Answer & Solution
Correct answer: A. C₆H₁₂O₆ + O₂ → CO₂ + H₂O + energy
1. Aerobic respiration: glucose + oxygen → CO₂ + water + ATP.
2. Mostly in mitochondria via Krebs cycle + oxidative phosphorylation.
3. About 38 ATP per glucose molecule (theoretical max).
_Source: NCERT Class 10 Science Ch 5 §5.2 Respiration_
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