Q. The most abundant intracellular cation is
A) Na⁺
B) Ca²⁺
C) H⁺
D) K⁺
Explanation
[Solution from source] Potassium ion is the chief cation inside cells, while sodium ion is the chief cation of extracellular fluid. Calcium and hydrogen ions are present inside cells at far lower concentrations. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.