Gce Model Questions Vol1 2025 Biology Question 27

Practice objective / multiple choice question 27 from the 2025 Gce Model Questions Vol1 Biology examination.

Gce Model Questions Vol1 2025 Biology Objective / Multiple Choice Medium Difficulty
Question 27 GCE_MODEL_QUESTIONS_VOL1 • 2025 • BIOLOGY • objective

In a reflex arc, the distance from a skin mechanoreceptor to the spinal cord is \(0.5\) m and the sensory nerve conducts at \(50\ \text{m\,s}^{-1}\). The synapse adds a delay of \(0.5\ \text{ms}\). The motor neuron then travels \(0.4\) m to the effector muscle at \(60\ \text{m\,s}^{-1}\) and the muscle needs \(5\ \text{ms}\) to develop tension. Calculate the total reaction time in milliseconds (to one decimal place).

Answer Options

Correct Answer A. 22.2
B. 17.2
C. 21.7
D. 22.1
Correct Answer
A
Correct Option:
22.2

About This Question

This is Gce Model Questions Vol1 2025 Biology Question 27. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Biology examination.

Difficulty level: Medium .

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support