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O-LevelBiologyRespiration5090/11 · May/June 2025 · Q151 Mark

Which balanced chemical equation shows aerobic respiration?

A6CO2 + 6H2O → C6H12O6 + 6O2
BC6H12O6 → 2C3H6O3
CC6H12O6 → 2C2H5OH + 2CO2
DC6H12O6 + 6O2 → 6CO2 + 6H2O

✓ Correct answer

D: C6H12O6 + 6O2 → 6CO2 + 6H2O

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About this question

Topic
Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, May/June 2025 Paper 1 Variant 1, question 15.

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