Harmfulness of microorganisms 10points
Answers
Ans:- Microorganisms are harmful to us in following ways:-
1. It spoil our food that we eat.
2. It causes several diseases in human beings and animals. Ex - Aspergillosis in animal
3. It can be used as bio weapons as with the help of microbes harmful disease can be created.
4. It increases the growth of algae in water that leads to decrease of oxygen in water bodies that is threat to aquatic life.
5. It also causes diseases in plants like Smut of rice, Rusting of wheat etc.
6. Some bacteria produces toxin that is harmful to us.
7. It destroy useful bacteria in our bodies which helps us
8. It multiply their number quickly and destroy our defence system of body.
9. It form biofilms which can be a nuisance like plaque formed in teeth.
10. Some microorganisms decomposed root nodules, leaching nutrients from the plant which reduce the fertility of soil.
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