Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) NEET Previous Year Question - S Block Single Correct MCQ
Published on: August 14, 2026

Which of the following metal ions play an important role in muscle contraction?

A
B
C
D

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The correct answer is:
D

Calcium is an essential element for the contraction of muscles. In the presence of calcium ions and energy from ATP, actin and myosin (contractile proteins) interact forming actomyosin which causes contraction of muscles.

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