iGCSE Biology (0610)-7.4 Chemical digestion – iGCSE Style Questions Paper 3

Question

(a) Define the term chemical digestion.
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Fig. 8.1 shows a diagram of the alimentary canal.

(b) Identify the structures in Fig. 8.1 and use the letters to complete Table 8.1.
An example has been done for you.

(c) State one function of the liver and one function of the small intestine.
function of the liver …………………………………………………………………………………………………….
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function of the small intestine ………………………………………………………………………………………
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(d) Describe how the protein in food is digested in the alimentary canal.
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(e) The condition where watery faeces are lost from the body is called diarrhoea.
Outline one way in which diarrhoea can be treated.
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Answer/Explanation

Ans:

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