MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistrys- Block 3.0Biological Importance of Sodium and Potassium
Which of the following statement (s) is/are correct? I. Sodium and potassium are found on same sides of cell. II. Sodium and potassium are present on opposite side of cell. III. Sodium is found in blood plasma and potassium is found in RBC. IV. Sodium and potassium operates sodium-potassium pump across the membrane.
A.I and III
B.II, III and IV✓ Correct
C.III and IV
D.All of these are correct
Explanation
Statement I is incorrect while all other statement are correct. I is incorrect because Na⁺ and K⁺ are present in opposite side of the cell.