Home PYQs UPPSC UPPSC MCQs Prelims 2013 (GS Paper I)

Question

Refrigeration helps in food preservation by

  1. killing of germs (bacteria)
  2. reducing the rate of biochemical reaction
  3. destroying the enzyme action
  4. sealing food with a layer of ice

Answer:

Option B: reducing the rate of biochemical reaction

Detailed Solution:

The correct answer is “reducing the rate of biochemical reaction”.

Food preservation by refrigeration reduces biochemical reactions.