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Microorganisms: Friend and Foe — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceMicroorganisms: Friend and Foe1 Mark
MCQ
The gas released during the preparation of bread is:
  • A
    Oxygen.
  • ✓
    Carbon dioxide.
  • C
    Nitrogen.
  • D
    Sulphur dioxide.
✓

Answer

Correct option: B.
Carbon dioxide.
B.  Carbon dioxide.
Explanation:
Carbon dioxide $(CO_2)$ is released during the preparation of bread. This is the process of fermentation in which yeast cells rapidly produces $CO2,$ which causes resining of the dough used in preparation of bread.

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