Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Biology Human Physiology Muscle and Skeletal System
Which one of the following statements regarding muscle contraction and relaxation is correct?
1
It involves movement of \(Xn^{++}\) ion
2
It involves \(Ca^{++}\)ion if blood
3
It involves release of \(Ca^{++}\) from sarcoplasmic reticulum (SR) and pumping \(Ca^{++}\) back in SR
4
More than one of the above
5
None of the above