A) By heating it at \[100{}^\circ C\] for 15 min or at \[90{}^\circ C\] for 5 min
B) By heating it at \[100{}^\circ C\] for 15 min or at \[90{}^\circ C\] for 32 min
C) By heating it at \[71{}^\circ C\] for 15 min or at \[62{}^\circ C\] for 5 sec
D) By heating it at \[71{}^\circ C\] for 15 sec or at \[62{}^\circ C\] for 32 min
Correct Answer: D
Solution :
[d] Pasteurisation is a process of heating at certain temperature of liquid food to prevent it from microorganism. Milk is pasteurised at \[71\,\,{}^\circ C\] for 15 sec or at \[62\,\,{}^\circ C\] for 32 minutes.
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