3. Explain the process of Pasteurization in brief.
4. Explain in detail how vaccination works?
5. What are good microorganisms? Explain some of the uses of good microorganisms.
6. Explain various types of bacteria.
7. What are food poisoning and food preservation (short notes)?
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Explanation:
Pasteurisation is done to preserve milk
it is done in two ways
either we can boil the milk at very high temperature for less time or heating at medium temperature for 12-15 Hours
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