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Question

Choose the correct option.

(iii) The process of pasteurisation involves

A

Heating and cooling
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B

Heating
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C

Cooling
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D

Boiling
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Solution

The correct option is A
Heating and cooling
Answer: Correct option (b) Heating and cooling.
  • Heating milk at 60C for 30 mins and then suddenly cooling it is called pasteurisation.
  • It is a process of partial sterilization which kills majority of bacteria but does not completely sterilize the milk.
  • This method however makes the milk safe for human consumption.

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