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Question
Sarath went to his grandmother's village for vacation. His grandmother would milk the cows but would never allow Sarath to drink it directly. She would boil the milk and then give Sarath a glass of milk. What process made the milk suitable for drinking directly after boiling?
Sarath went to his grandmother's village for vacation. His grandmother would milk the cows but would never allow Sarath to drink it directly. She would boil the milk and then give Sarath a glass of milk. What process made the milk suitable for drinking directly after boiling?
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Solution
The correct option is D Pasteurisation
Fresh milk obtained from cows is not pasteurised and therefore has to be boiled to make it free from microbes. In the pasteurisation process, milk is heated at 72∘ Celsius for 15 seconds and then cooled down suddenly. Due to this difference in temperature, the microorganisms present in the milk become inactivated or dead and the milk becomes suitable for direct consumption.
Fresh milk obtained from cows is not pasteurised and therefore has to be boiled to make it free from microbes. In the pasteurisation process, milk is heated at 72∘ Celsius for 15 seconds and then cooled down suddenly. Due to this difference in temperature, the microorganisms present in the milk become inactivated or dead and the milk becomes suitable for direct consumption.
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