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In a bakery, yeast is added to flour to make bread rise. This is possible because yeast ...

In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Alcohol
  • B Oxygen
  • C Carbon dioxide
  • D Energy
  • E Ethanol
Correct Answer: Option C
Explanation:
The correct answer is:

C. carbon dioxide

Yeast produces carbon dioxide during fermentation, a process where yeast breaks down sugars in the dough. The carbon dioxide gas gets trapped in the dough, causing it to rise and become fluffy.

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