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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Digestion

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4

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2

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Topic

Digestion

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Paper 4Theory (Extended)2 marks

Digestive enzymes play a crucial role in breaking down food.

Description

Digestive Enzymes

Amylase, protease, and lipase are produced in different parts of the digestive system and act on specific types of food.

  1. a

    Identify the locations where amylase, protease, and lipase are produced.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 4 structured question: Digestion

Paper 4Theory (Extended)3 marks

Description

Action of Digestive Enzymes

Amylase, protease, and lipase act on carbohydrates, proteins, and fats respectively.

  1. a

    Explain the role of lipase in digestion.

    Aim for approximately 3 distinct marking points.

    [3]