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3.1 Coordination and control – the nervous system

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Question 24

In an investigation, participants viewed coloured discs at different light levels. They recorded whether they could identify the colour of each disc and detect its outline.

Light level (lux)Discs with colour identified (%)Discs with outline detected (%)
1009699
23491

Explain the difference between the results at 100 lux and 2 lux.

[2]
Markscheme

3.1 Coordination and control – the nervous system Questions

  1. GCSE
  2. /Biology
  3. /3.1 Coordination and control – the nervous system

135 exam-style questions on OCR GCSE Biology 3.1 Coordination and control – the nervous system, covering 3.1.1 Structure of the nervous system, 3.1.2 Coordinated response, 3.1.3 The reflex arc, 3.1.4 Structure of the eye, 3.1.5 Defects of the eye, 3.1.6 Structure and function of the brain, 3.1.7 Difficulties of investigating brain function, and 3.1.8 Limitations in treating nervous system damage. Each one has a worked solution and a mark scheme showing where the marks go.

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