Riya mixes wheat dough with yeast granules and keeps it aside.
Will it require an aerobic or anaerobic condition for the dough to puff up?
[1 Mark]
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Solution
Yeast mixed with dough requires an environment free from oxygen for their cellular respiration (anaerobic). During this process, yeast produces ethanol and carbon dioxide which helps in puffing of dough.
[1 Mark]