Which microorganism is widely used in the baking industry to make bread soft and fluffy?

Answer: C. Yeast

Yeast is used in the baking industry and follows anaerobic mode of respiration. When yeast is put in the dough it feeds on the food without the need of oxygen and produces carbon dioxide and alcohol . the carbon dioxide escapes making small holes on the dough . on futher baking it becomes soft anf fluffy. NOTE : alcohol is not present after baking.

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