[Works Manager, 2018]

14. If a paste of rice or wheat flour is left overnight in the kitchen, its volume increases significantly because of:

1. The aromatic air of the kitchen

2. Bacterial growth

3. Swelling of starch particles in the flour due to absorption of water and air

4. The release of carbon dioxide due to the activity of yeast

Correct Answer :

The release of carbon dioxide due to the activity of yeast