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Cambridge IGCSE Biology practice

Paper 3 structured question: Diet

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Diet

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Paper 3Theory (Core)2 marks

Scurvy and rickets are diseases caused by vitamin deficiencies.

Description

Causes of Scurvy and Rickets

Scurvy is caused by a lack of vitamin C, while rickets is caused by a lack of vitamin D.

  1. a

    Identify the vitamin deficiency that leads to scurvy.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Identify the vitamin deficiency that leads to rickets.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Diet

Paper 3Theory (Core)2 marks

Description

Factors Leading to Scurvy and Rickets

Scurvy occurs when the diet lacks vitamin C, often due to insufficient fresh fruits and vegetables. Rickets occurs when there is a lack of vitamin D, which can be due to inadequate sunlight exposure or poor diet.

  1. a

    State one dietary factor that can lead to scurvy.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    State one factor that can lead to rickets.

    Aim for approximately 1 distinct marking point.

    [1]