Living organisms require at least 27 elements, of which 15 are metals. Among these, those required in major quantities, include

Question

[A] sodium, magnesium, copper and manganese

[B] potassium, sodium, magnesium and calcium

[C] potassium, molybdenum, copper and calcium

[D] potassium, manganese, copper and calcium

Answer & Explanation
Option: [B]