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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Diseases and immunity

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Attempt questionDiseases and immunity revisionRevise the key idea

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Diseases and immunity

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Paper 3Theory (Core)2 marks

Pathogen transmission is a key concept in understanding disease spread.

Description

Transmission Methods

Pathogens can be transmitted through various routes. Understanding these routes is essential for disease prevention.

  1. a

    Explain Describe how indirect transmission can occur through contaminated food.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Diseases and immunity

Paper 3Theory (Core)1 marks

Description

Pathogen Transmission

Pathogens can be transmitted in various ways, including direct and indirect methods. Direct transmission occurs through contact with infected bodily fluids, while indirect transmission can happen via contaminated surfaces, food, animals, or air.

  1. a

    Identify List two ways in which pathogens can be transmitted.

    Aim for approximately 1 distinct marking point.

    [1]