O Levels Biology (5090)•5090/11/M/J/20

Explanation
Aerobic Respiration Word Equation
Steps:
- Aerobic respiration breaks down glucose using oxygen to release energy.
- Reactants are glucose and oxygen.
- Products are carbon dioxide and water.
- Match to the option showing this balanced equation.
Why C is correct:
- It states the standard word equation for aerobic respiration: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy, simplified without coefficients.
Why the others are wrong:
- A: Represents photosynthesis, where plants synthesize glucose from CO₂ and H₂O using light.
- B: Describes anaerobic respiration, omitting oxygen as a reactant.
- D: Incomplete, missing carbon dioxide as a product.
Final answer: C
Topic: Aerobic respiration
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