P-2 Introduction to Microbiology — Science STD 10 — Question
Maharashtra BoardEnglish MediumSTD 10ScienceP-2 Introduction to Microbiology2 Marks
Question
How does the bread become spongy?
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Answer
When the dough for bread is prepared, the baker's yeast - Saccharomyces cerevisiae is added to it. This yeast carries out anaerobic fermentation. This results in formation of $\mathrm{CO}_2$ and ethanol. The $\mathrm{CO}_2$ formed tries to escape out of the flour and thus the dough rise. When such dough is baked, it produces spongy bread.
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