Biology 0610 · IGCSE · Chemical digestion

Chemical digestion — practice question

In humans, enzymes are made by different parts of the alimentary canal and assist with food digestion.
(a)[2]

Join the boxes with two lines to form two correct sentences about enzymes.

(b)[1]

State the letter of the molecule that is most likely to act as the substrate for this enzyme.

(c)[2]

Define the term chemical digestion.

(d(i))[2]

Use the information in Fig. 3.2 to state the letter of the enzyme that would be most active in each section of the alimentary canal.

(d(ii))[1]

State the name of one part of the large intestine.

(e(i))[1]

State one other function of the acid in gastric juice.

(e(ii))[1]

State the name of the acid that is found in gastric juice.

(f)[6]

Complete Table 3.2.

Worked solution & mark scheme

This 16-mark question has a full step-by-step worked solution and mark scheme. One marking point: enzymes are catalysts which speed up reactions and are not changed

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI