Cambridge IGCSE Combined Science practice

Paper 3 structured question: Digestion

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At a glance

Paper

Marks

Topic

Digestion

Exam-style question

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Paper 3Theory (Core)2 marks

Understanding the role of enzymes in digestion is vital for biology.

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]

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Paper 3Theory (Core)3 marks

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]