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3.1 Coordination and control – the nervous system

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Question 34
H

Laser eye surgery can correct short-sightedness by changing the shape of the cornea.

Which statement explains how this works?

[1]
A

The cornea is made more curved, so it refracts light more and the image moves back onto the retina.

B

The cornea is made flatter, so it refracts light more and the image moves forward onto the retina.

C

The cornea is made flatter, so it refracts light less and the image moves back onto the retina.

D

The cornea is made more curved, so it refracts light less and the image moves forward onto the retina.

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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