Which of the following is correct set of micronutrient for plants?
(a) Mg, Si Fe, Cu Ca
(b) Cu, Fe, Zn, B, Mn
(c) Mg, Fe, Zn, B, Mn
(d) Mo, Zn, Cl, Mg, Ca
(b) : Plants require nutrients for proper growth and development. 16 elements are necessary for plants and are called essential clements as C, H. O, N, P, S, K, Mg, Ca, Fe, Cu, B, Zn, Mn, Mo and Cl. These essential elements are categorised into 2 groups as macro clements and micro clements. Marco elements are required by plants in larger amount eg., C, H. O, N, S, P, K, Ca, Mg. Micro elements or trace elements are required by plants in very small amounts i.e, in traces eg., Fe, Cu, B, Mn, Ni, Mo and Cl