Exercise 2

Answer all the questions.

1.  Diagram below shows a study done on the process of freezing as a method of preserving chicken meat.  Both P and Q were tied in a plastic bag and kept in two different conditions.

(a)  Predict what would happen to the chicken meats P and Q.

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(b)  Why do you think that freezing method can be used to preserve chicken meat effectively?

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(c)  Suggest one other method that can be used to preserve chicken meat.

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(d)  What is the advantage of freezing as a method of preserving food?

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(e)  Name two other types of food that can be preserved by freezing.

1.  ___________________________
2.  ___________________________



2.  Diagram below shows the label that contains the information on how the coconut jam is made.

(a)  State three steps involved in the preservation of the coconut jam.

      1. ______________________________
      2. ______________________________
      3. ______________________________

(b)  State two functions of sugar in the jam.

      (i)  _______________________________

      (ii)  _______________________________

(c)  When the cap was left open for three days, it was found that the jam became spoilt.  Give your inference for the above observation.

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(d)  Suggest one way to keep the jam in good condition for a longer period of time.

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