What is the reason behind the rise in bread dough?

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Detailed Solution

Bread dough rises due to the growth of yeast cells in the dough. When yeast cells are added to the dough, they consume the sugar present in it and undergo a process called fermentation.
During fermentation, carbon dioxide gas is released as a byproduct. The carbon dioxide gas gets trapped in the dough. The entrapment of carbon dioxide in the dough causes it to expand, resulting in the rise of the bread dough.
Hence, the reason behind the rise in bread dough is the formation of carbon dioxide in the process of fermentation.

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