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Micro-Organisms : Friends and Foe
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Microorganisms can be seen with the help of a _________.
Blue green algae fix _______ directly from air to enhance fertility of soil.
Alcohol is produced with the help of _______.
Cholera is caused by ________.
Yeast is used in the production of
The following is an antibiotic
Carrier of malaria-causing protozoan is
The most common carrier of communicable diseases is
The bread or idli dough rises because of
The process of conversion of sugar into alcohol is called
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