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What is pasteurization of milk?
Pasteurization is the process in which milk is heated to about 70°C for 15 to 30 seconds and then suddenly chilled and stored. This process was discovered by Louis Pasteur. Pasteurized milk can be consumed without boiling as it is free from harmful microbes.
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.
What are antibiotics? What precautions must be taken while taking antibiotics?
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