Biology 0610 · IGCSE · Chemical digestion

Chemical digestion — practice question

Fat is an essential component of the human diet. The arrows in Fig. 1.1 indicate the route followed by fat through part of the alimentary canal.
(a)[3]

State three different ways in which the human body makes use of fat.

(b(i))[1]

State the name of the enzyme released by the pancreas that digests fat.

(b(ii))[1]

State the products formed by the chemical digestion of fat.

(b(iii))[1]

State the liquid that is made by the liver and stored by organ P in Fig. 1.1.

(b(iv))[1]

State organ P in Fig. 1.1.

(c)[2]

Explain what happens to the fat eaten at R in Fig. 1.1 before chemical digestion takes place.

(d)[3]

Explain how the products of fat digestion are carried from Q to the rest of the body.

(e)[3]

Describe how too much fat in the diet may lead to coronary heart disease.

(f)[6]

Describe and explain how coronary heart disease can be treated.

Worked solution & mark scheme

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