Micro-Organisms : Friends and Foe
Write 10 lines on the usefulness of microorganisms in our lives.
Microorganisms are very useful to us. They help us in following ways :
(i) Microorganisms help us in food industry. They are used for curdling of milk, preparation of bread, cake, etc.
(ii) Microorganisms are used to produce alcohol at large scale on a commercial basis.
(iii) They are used to produce antibiotics.
(iv) They can act as decomposers and increase the fertility of the soil.
(v) They are also used as preservatives for food items.
(vi) They are used for the production of vinegar.
(vii) Microorganisms are used to prepare vaccines for various disease.
(viii) They fix the atmospheric nitrogen.
(ix) They are used for the production of cheeze.
(x) Microorganisms prepare manures by decomposing dead bodies of plants and animals.
Sponsor Area
The process of conversion of sugar into alcohol is called
Match the following option.
Can microorganisms be seen with the naked eye? If not, how can they be seen?
What are the major groups of microorganisms?
Name the microorganisms which can fix atmospheric nitrogen in the soil.
Write 10 lines on the usefulness of microorganisms in our lives.
Write a short paragraph on the harms caused by microorganisms.
What are antibiotics? What precautions must be taken while taking antibiotics?
What are micro-organisms?
Give two examples of microorganisms.
Sponsor Area
Sponsor Area