Q. The metal ion, that plays an important role in muscle contraction, is

A) ${Be}^{2 +}$
B) ${Mg}^{2 +}$
C) $Ca^{2 +}$
D) ${Ba}^{2 +}$
Explanation

The correct answer is Option C: $Ca^{2 +}$.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.