Igcse Model Questions Vol1 2020 Biology Question 8

Practice essay / theory question 8 from the 2020 Igcse Model Questions Vol1 Biology examination. This question covers Coordination, Nervous system, Motor control .

Igcse Model Questions Vol1 2020 Biology Essay / Theory
Topics: Coordination Nervous system Motor control
Question 8 IGCSE_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • essay

A 25‑year‑old sprinter undergoes an 8‑week specialised training programme aimed at improving rapid movements. Her simple reaction time to a visual stimulus is measured before the programme as 0.28 s and after the programme as 0.22 s.

Question Parts

( a )
Define coordination and explain why it is essential for sprint performance.
( b )
i) Calculate the percentage improvement in her reaction time. ii) Discuss two neural adaptations that are likely responsible for this improvement.
( c )
Explain how cerebellar damage would alter the sprinter’s gait and timing, giving one specific example.

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About This Question

This is Igcse Model Questions Vol1 2020 Biology Question 8. It is one of the essay questions from the 2020 Igcse Model Questions Vol1 Biology examination.

The question covers Coordination, Nervous system, Motor control .

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