Uses of microorganisms

Making of Curd and Bread:

• Curd contains several microorganisms.
• The bacterium, Lactobacillus promotes the formation of curd.
• It multiplies in milk and converts it into curd.

• Bacteria are also involved in the making of cheese, pickles and many other food items.

Commercial Use of Microorganism:

• Yeast is used in distilleries for commercial production of alcohol and wine.
• Process of conversion of sugar into alcohol is known as fermentation.
• Yeast is also used in the baking industry for making breads, pastries and cakes.

• Yeast reproduces rapidly and produces carbon dioxide during respiration.
• This gas (carbon dioxide) fills in the dough and increases the volume.
• Hence makes the dough soft and spongy.

Medicinal Use of Microorganisms:

• Medically microbes can help in the treatment or by preventing us from diseases.
• Some of them can produce substances called antibiotics which help in the treatment of diseases.
• Some can be used for preparing vaccines which provides us prevention against various specific diseases.