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2.3 The nervous system and brain

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Question 15
F

The sensory neurone in a reflex arc cannot transmit impulses. The motor neurone and muscle work normally.

Which pair of results is expected?

[1]
A

stimulating the receptor gives contraction; stimulating the motor neurone gives contraction

B

stimulating the receptor gives contraction; stimulating the motor neurone gives no contraction

C

stimulating the receptor gives no contraction; stimulating the motor neurone gives contraction

D

stimulating the receptor gives no contraction; stimulating the motor neurone gives no contraction

Markscheme

2.3 The nervous system and brain Questions

  1. GCSE
  2. /Biology
  3. /2.3 The nervous system and brain

43 exam-style questions on Edexcel GCSE Biology 2.3 The nervous system and brain, covering 2.3.1 Structures and functions of the brain, 2.3.2 Imaging brain function with scanning, 2.3.3 Limitations in treating nervous system damage, 2.3.4 Neurones and impulse transmission, and 2.3.5 Structure and function of a reflex arc. Each one has a worked solution and a mark scheme showing where the marks go.

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