Gce Model Questions Vol1 2020 Biology Question 15

Practice objective / multiple choice question 15 from the 2020 Gce Model Questions Vol1 Biology examination.

Gce Model Questions Vol1 2020 Biology Objective / Multiple Choice Medium Difficulty
Question 15 GCE_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • objective

A stretch reflex involves a sensory neuron that conducts impulses 0.5 m to the spinal cord at 80 m s\(^{-1}\), a synaptic delay of 0.5 ms, a motor neuron that conducts 0.4 m to the muscle at 60 m s\(^{-1}\), and an excitation‑contraction coupling delay of 2 ms. Calculate the total time from the onset of muscle stretch to the beginning of muscle contraction (in milliseconds, to one decimal place).

Answer Options

A. 16.2 ms
Correct Answer B. 15.4 ms
C. 14.9 ms
D. 13.8 ms
Correct Answer
B
Correct Option:
15.4 ms

About This Question

This is Gce Model Questions Vol1 2020 Biology Question 15. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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