Biology 0610 · IGCSE · Chemical digestion

Chemical digestion — practice question

Table 6.1 presents several enzymes together with their substrates, products and the parts of the digestive system where they are formed.
(a)[5]

Complete Table 6.1 by filling in the missing entries.

(b)[3]

Describe how bile helps in digestion.

(c)[3]

Define absorption in the context of digestion.

(d)[1]

State the name of one disease caused by protein-energy malnutrition.

(e)[3]

Suggest the health benefits of making this dietary change.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: (salivary) amylase: substrate starch; product maltose; location salivary glands

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