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3.1 Coordination and control – the nervous system

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Question 32

An eye clinic records the following results for two people:

PersonTest result before treatmentResult after wearing concave spectacles
ADistant letters appear blurredDistant letters appear clear
BSome red and green test plates are confusedThe same test plates are still confused

Explain the different results for A and B, and suggest one way B could manage the difficulty.

[3]
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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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