Biology 0610 · IGCSE · Coordination and response

Coordination and response — practice question

The diagram illustrates a reflex arc. Which letters on the diagram indicate the relay neurone and the sensory neurone?

  • Arelay neurone P, sensory neurone Q
  • Brelay neurone P, sensory neurone R
  • Crelay neurone Q, sensory neurone R
  • Drelay neurone Q, sensory neurone P

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