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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. But when Sarath returned to the city, his mother would pour a glass of milk directly from a pack and give him to drink. What process made the milk from the pack suitable for drinking directly?
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. But when Sarath returned to the city, his mother would pour a glass of milk directly from a pack and give him to drink. What process made the milk from the pack suitable for drinking directly?
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Solution
The correct option is D Pasteurization
Back in the village, milk was not pasteurized and therefore grandma had to boil it to make it free from microbes. But when milk comes in packs, it has undergone a process called pasteurization. This process heats up milk at 70∘ celsius for few seconds and then cools it down suddenly. Due to this difference in temperature, the microorganisms present in the milk are inactivated or dead and the milk becomes suitable for direct consumption.
Back in the village, milk was not pasteurized and therefore grandma had to boil it to make it free from microbes. But when milk comes in packs, it has undergone a process called pasteurization. This process heats up milk at 70∘ celsius for few seconds and then cools it down suddenly. Due to this difference in temperature, the microorganisms present in the milk are inactivated or dead and the milk becomes suitable for direct consumption.
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