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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