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NDA 1 2025 GAT, question 109

Topic: Biology

Q109

What happens when the fat and oil containing food materials are left outside for a long time ?

  1. (a) Fats and oils in the food get oxidizedCorrect answer
  2. (b) Fats and oils in the food get reduced
  3. (c) Fats and oils in the food get ice-covered
  4. (d) No reaction takes place

Solution.

Answer: (a) Fats and oils in the food get oxidized

  1. Exposure to air allows fats and oils to react with oxygen.
  2. This oxidation produces compounds that cause the unpleasant smell and taste associated with rancidity.
  3. Airtight storage and antioxidants help slow the process.