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GCE Biology 1989 Question 32

Question 32

Microorganisms and Health

Which of the following methods is used in food preservation for a long period?

  1. A.adding oil to food
  2. B.Exposing food to fresh air
  3. C.keeping the food in a store
  4. D.Warming the food daily
  5. E.Salting and drying the food
Show the answer and explanation

Answer: E (Salting and drying the food)

Explanation

Salting and drying remove water so microbes cannot grow, keeping food for a long time.