Cambridge IGCSE Biology practice

Paper 3 structured question: Physical digestion

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Paper

Marks

Topic

Physical digestion

Exam-style question

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Paper 3Theory (Core)2 marks

Understanding physical digestion helps explain how food is prepared for chemical digestion.

Diagram Description

The diagram shows food being chewed in the mouth and churned in the stomach, both examples of physical digestion.

a
Identify two examples of physical digestion shown in the diagram.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)2 marks

Description

Physical digestion breaks down food into smaller pieces without changing the chemical structure of the food molecules.

a
Describe what happens during physical digestion.
Your answer
Aim for approximately 2 distinct marking points.
[2]