Biology 5090 · O Level · Absorption and assimilation

Absorption and assimilation — practice question

Fig. 6.1 illustrates a structure that occurs in a section of the alimentary canal.

(a)[2]

Name the structure in Fig. 6.1 and state the part of the alimentary canal where it is located.

(b)[8]

Explain how this structure is adapted so that it can perform its function.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “villus or villi” …