Co-ordination & Response

Co-ordination & Response Quiz

Spec 2.10B–17B · Edexcel GCSE Biology: Quiz

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5 questions, one answer each

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  1. 1. Which brain part controls heart rate and breathing?

    • A. Cerebellum
    • B. Cerebral hemispheres
    • C. Medulla oblongata
    • D. Retina
  2. 2. What does PET reveal that CT does not?

    • A. Exact brain structure
    • B. Which areas are metabolically active
    • C. Skull size
    • D. Spinal cord location
  3. 3. Which lens corrects short-sightedness?

    • A. Convex lens
    • B. Concave lens
    • C. Cylindrical lens
    • D. No lens needed
  4. 4. Correct reflex arc order?

    • A. Receptor → motor → relay → sensory → effector
    • B. Receptor → sensory → relay → motor → effector
    • C. Effector → sensory → relay → motor → receptor
    • D. Receptor → relay → sensory → motor → effector
  5. 5. Why is treating a deep brain tumour particularly difficult?

    • A. Cannot be detected by scans
    • B. Surgery risks damaging healthy tissue controlling vital functions; skull limits access
    • C. Brain has no blood supply
    • D. Only affects the medulla

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