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Yeast is added to dough for making bread. The dough is then set aside in a warm place before being baked. Yeast is added to the dough because _____?

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Yeast is added to dough for making bread. The dough is then set aside in a warm place before being baked. Yeast is added to the dough because _____? Answer: It produces carbon dioxide which makes the dough rise

Yeast is a fungus that carries out fermentation, converting sugars in the dough into alcohol and carbon dioxide. The CO₂ gas gets trapped in the dough, causing it to rise and become fluffy, while the alcohol mostly evaporates during baking.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.