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BECE Science 2015 Paper

Question : 33

Total: 40

Solution:

Concept:

Aerobic respiration breaks down glucose to release energy, producing carbon dioxide and water.

Explanation:

During aerobic respiration, glucose reacts with oxygen:

\mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6 + 6\mathrm{O}_2 \rightarrow 6\mathrm{CO}_2 + 6\mathrm{H}_2\mathrm{O} + \text{energy}

The gas released from this process is carbon dioxide,

\mathrm{CO}_2

Answer:

D. Carbon dioxide

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