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Cambridge IGCSE Combined Science practice

What is the main purpose of physical digestion?

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MCQ

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cambridge_mcq

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Topic

Digestion

Exam-style question

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What is the main purpose of physical digestion?.

  1. A.To chemically alter food molecules
  2. B.To break food into smaller pieces
  3. C.To absorb nutrients
  4. D.To produce enzymes

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Paper 3 structured question: Digestion

Paper 3Theory (Core)2 marks

Description

Physical Digestion Process

Physical digestion is the process of breaking food into smaller pieces without changing its chemical structure. It occurs in the mouth and stomach, where food is chewed and churned.

  1. a

    Explain the importance of physical digestion in the digestive process.

    Aim for approximately 2 distinct marking points.

    [2]