Home PYQs UPPSC UPPSC MCQs Prelims 2009 (GS Paper I)

Question

When soggy biscuits are kept inside the fridge for sometime they become crisp because

  1. cooling releases extra moisture
  2. humidity inside the fridge is low and extra moisture is absorbed
  3. humidity inside the fridge is high and extra, moisture is absorbed
  4. pressure inside the fridge is high and helps in releasing extra moisture.

Answer:

Option B: humidity inside the fridge is low and extra moisture is absorbed

Detailed Solution:

The correct answer is “humidity inside the fridge is low and extra moisture is absorbed”.

The low humidity helps release excess moisture from the biscuits, which is then absorbed by the dry air inside the fridge.