Question

Which one of the following includes only macronutrients?
C, N, Ca
H, Fe, P
O, K, CI
K, S, Zn​

Answer 1

Answer:

Macronutrients are N, P, K, Ca, S, Mg, C, O and H.

Micronutrients are Fe, B, Cl, Mn, Zn, Cu, Mo and Ni.

So, the correct answer is 'Nitrogen, potassium and phosphorus