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Bread dough rises because yeast produces which gas during respiration?

AOxygen gas
BNitrogen gas
CHydrogen gas
DCarbon dioxide
Answer & Solution
Correct answer: D. Carbon dioxide
1. Yeast reproduces rapidly in dough. 2. Carbon dioxide bubbles fill the dough. 3. This is used in baking. _Source: syllabus Science, Chapter 2, Microorganisms: Friend and Foe._
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