Biology 5090 · O Level · Diet

Diet — practice question

Table 3.1 lists some of the components found in a healthy human diet.
(a(i))[1]

State one of these constituents that does not need to be digested.

(a(ii))[1]

State one of these constituents that is the body’s chief storage substance.

(b)[6]

Name two dietary constituents that are absent from the list in Table 3.1 and, for each one, state two reasons why it is important in the diet.

(c)[2]

The chimpanzee is an animal whose metabolism is very similar to that of a human, but one type of chimpanzee lacks the gene needed to produce amylase. Suggest how this will affect the diet of this type of chimpanzee.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: mineral salts, fibre or roughage

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