Question

Wheat dough if left in the open, after a few days, starts to emit a foul smell and becomes unfit for use. Give reason.

Answer 1

yeast conductivity will be more so only

Answer 2

Wheat dough when kept in open for few days, following activities takes place:

                1. formation of fungus

                2. reproduction of yeast

 These fungus and yeast when present in dough, it will become unfit for eating or for use. Since formation of fungus takes place in dough, so it gives a foul smell.