Question

https://www.liveworksheets.cm/ng1579054sp microorganisms class 8 ​

Answer 1

Microorganisms are living organisms that are very minute to be seen by the naked eye and can be classified into four major groups namely bacteria, fungi, protozoa and some algae.

Answer 2

Answer:

Microorganisms

1. Microorganisms are microscopic organisms that cannot be seen with the naked eye.
2. These organisms are usually unicellular in nature.
3. Microorganisms play an important role in our lives.
4. Some of them are beneficial in many ways whereas some others are harmful and cause diseases.
5. Microorganisms are used for making curd from milk, for making cheese, pickles, bread, cakes, pastries, alcohol, wine, vinegar (acetic acid) etc.

• a) Making curd from milk :- The bacterium called Lactobacillus reproduces in milk and helps to convert milk into curd.

• b) Making bread :- The fungus called yeast reproduces in flour dough and produces carbon dioxide during respiration which makes the dough soft and helps in making bread, cakes, biscuits, pastries etc.