Igcse Model Questions Vol1 2017 Biology Question 31
Practice objective / multiple choice question 31 from the 2017 Igcse Model Questions Vol1 Biology examination.
A myelinated nerve fibre of diameter \(20\,\mu\text{m}\) conducts an impulse over a distance of \(0.8\,\text{m}\) in \(2\,\text{ms}\). An unmyelinated fibre of the same length conducts the same impulse in \(5\,\text{ms}\). Assuming that conduction speed is directly proportional to fibre diameter for unmyelinated fibres, calculate the diameter of the unmyelinated fibre (in \(\mu\text{m}\)).
Answer Options
About This Question
This is Igcse Model Questions Vol1 2017 Biology Question 31. It is one of the objective questions from the 2017 Igcse 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.