Question

Wheat dough if left in the open,it start to emit foul smell and became unfit for use. Give reasons.

Answer 1

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.