CAIE IGCSE Biology 7.2 Digestive System Questions

Practise using alimentary canal diagrams and tables to match digestive organs with processes, secretions and sites of action.

Exam points

Identify and order the main alimentary-canal organs and associated digestive organs, including the mouth, oesophagus, stomach, small and large intestines, rectum, anus, liver, pancreas, gall bladder and salivary glands.
Map ingestion, digestion, absorption, assimilation and egestion to the relevant organs, secretions and sites of action, including bile, gastric juice, amylase and trypsin.
Distinguish absorption as movement of digested nutrients into the blood from assimilation as their uptake and use by cells, and trace carbohydrate products through the liver.

[Maximum number: 1]

Which is a part of the small intestine?

colon

ileum

oesophagus

rectum

[Maximum number: 1]

What is the correct order of the processes that take place in the alimentary canal?

absorption, digestion, ingestion, egestion

digestion, ingestion, egestion, absorption

egestion, digestion, absorption, ingestion

ingestion, digestion, absorption, egestion

[Maximum number: 1]

Which structure is the duodenum?

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