Mineral Nutrition Question 16
16. Which one of the following elements is not an essential micronutrient for plant growth?
(a) $Zn$
(b) $Cu$
(c) $Ca$
(d) $Mn$
Show Answer
Answer : c
Hints & Solution
(c) Essential micro elements are $Fe, Mn, Zn$, $B, Cu, Mo$ and essential macronutrionts are $C, H, N, P, S, Ca, K, Mg$.