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3.1 Coordination and control – the nervous system

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Question 21
F

Two students compare their reaction times using the falling ruler test.

Which change to the method would make the comparison more valid?

[1]
A

Each student practises for a different number of attempts.

B

Each student uses whichever hand they choose on each attempt.

C

Each student uses their dominant hand and the same ruler.

D

Each student holds the ruler at a different starting height.

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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