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3.1 Coordination and control – the nervous system

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Question 25

An eye shifts its focus from reading a book close up to looking at a distant mountain.

Which row correctly describes the changes that occur in the suspensory ligaments and the lens during this switch?

A

Suspensory ligaments: slack to tight; Lens: thinner

B

Suspensory ligaments: slack to tight; Lens: thicker

C

Suspensory ligaments: tight to slack; Lens: thinner

D

Suspensory ligaments: tight to slack; Lens: thicker

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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