JAMB Biology 1982 Question 20

Question 20

Microorganisms and Health

Refrigeneration, as a method of food preservation, has ONE of the following characteristics:

  1. A.kills all the bacteria
  2. B.kills most of the bacteria
  3. C.makes the bacteria inactive
  4. D.dries food
  5. E.hydrolyses food.
Show the answer and explanation

Answer: C (makes the bacteria inactive)

Explanation

Cold slows down or stops bacterial growth but does not kill the bacteria.