Commercial use of microorganisms. Take some water in two separate beak

1.	Commercial use of microorganisms. Take some water in two separate beakers. Add 5 to 10 spoons of sugar to each beaker, then add 2 to 3 spoons of yeast to one of the bowls only. Close both of the bowls with lids and keep them in a warm place. After 3 to 4 hours remove the lids and smell the contents.a) What differences did you observe between the two bowls?b) What will be the reason for the odour in yeast mixed bowl?
Answer» a) We feel a new variety of smell from one of the bowls. This is the characteristic smell of alcohol. There is no smell from another bowl. b) Sugars are converted into alcohol by yeast. This process of conversion of sugars into alcohol is known as fermentation.

Commercial use of microorganisms. Take some water in two separate beakers. Add 5 to 10 spoons of sugar to each beaker, then add 2 to 3 spoons of yeast to one of the bowls only. Close both of the bowls with lids and keep them in a warm place. After 3 to 4 hours remove the lids and smell the contents.a) What differences did you observe between the two bowls?b) What will be the reason for the odour in yeast mixed bowl?

Answer»

a) We feel a new variety of smell from one of the bowls. This is the characteristic smell of alcohol. There is no smell from another bowl.

b) Sugars are converted into alcohol by yeast. This process of conversion of sugars into alcohol is known as fermentation.