Cambridge IGCSE Combined Science practice

Paper 3 structured question: Digestion

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Digestion

Exam-style question

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Paper 3Theory (Core)3 marks

Chemical digestion is crucial for nutrient absorption in the human body.

Description

Chemical digestion involves the breakdown of large food molecules into smaller, soluble molecules by enzymes.

a
Explain the process of chemical digestion and its importance in nutrient absorption.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)2 marks

Description

Enzymes are biological catalysts that speed up chemical reactions in the body, including digestion.

a
Describe the role of enzymes in chemical digestion.
Your answer
Aim for approximately 2 distinct marking points.
[2]