In manufacturing the bread, it becomes porous due to release of CO2 by the action of
A
Virus
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B
Yeast
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C
Bacteria
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D
Protozoans
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Solution
The correct option is A Yeast Fermentation is the process which is carried out by anaerobic respiration of microorganism which leads to the production of lactic acid or alcohol with the release of carbon dioxide. When the yeast is added to the dough of the bread it converts the sugar to ethanol and carbon dioxide which forms bubbles.