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Define 'vaccine'.
Vaccine is a preparation of a weakened or dead microbe that upon administration to an individual, stimulates the production of antibodies against the pathogen. The antibodies remain in the body and protect us from the disease causing microbes.
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
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.
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