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3.1 Coordination and control – the nervous system

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Question 40
F

A person walks from a dark room into bright sunlight.

Which statement describes what happens in their eye?

[1]
A

The iris makes the pupil larger, so more light reaches the retina.

B

The lens makes the pupil smaller, so less light reaches the retina.

C

The cornea makes the pupil smaller, so less light reaches the lens.

D

The iris makes the pupil smaller, so less light reaches 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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