Neco Model Questions Vol1 2025 Biology Question 28
Practice objective / multiple choice question 28 from the 2025 Neco Model Questions Vol1 Biology examination.
A cylindrical root hair has a length of \(0.5\) mm and a radius of \(5\) µm. The plasma‑membrane permeability coefficient for a solute is \(1.2\times10^{-5}\) m·s\(^{-1}\). The solute concentration inside the cell is \(0.8\) mol·m\(^{-3}\) and outside is \(0.2\) mol·m\(^{-3}\). Calculate the net rate of solute entry into the cell (in mol·s\(^{-1}\)).
Answer Options
About This Question
This is Neco Model Questions Vol1 2025 Biology Question 28. It is one of the objective questions from the 2025 Neco 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.