Multiple choice

What are the conditions at which milk is boiled to prevent growth of microbes?

  1. At 70oC for 5 to 7 min

  2. At 50oC for 15 to 30 second

  3. At 70oC for 15 to 30 second

  4. At 70oC for 15 to 30 min

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 High temperature prevents growth of microbes but providing high temperature for longer duration than the required time can even spoil the food. So, optimally, heating the food substance at 70oC for 15-30 seconds, helps prevent growth of microorganisms.