Which of the following is not an essential ma | vedclass

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(B) Essential mineral elements are classified into two categories based on their quantitative requirements: macronutrients and micronutrients.$1$. Mac

Vedclass · Accepted Answer

$Zn$

Vedclass · Answer

(B) Essential mineral elements are classified into two categories based on their quantitative requirements: macronutrients and micronutrients.$1$. Macronutrients are required in large amounts (generally $10 	ext{ mmol kg}^{-1}$ of dry matter). These include $C, H, O, N, P, S, K, Ca,$ and $Mg$.$2$. Micronutrients or trace elements are needed in very small amounts (less than $10 	ext{ mmol kg}^{-1}$ of dry matter). These include $Fe, Mn, Cu, Mo, Zn, B, Cl,$ and $Ni$.$3$. Among the given options, $N$ (Nitrogen), $Ca$ (Calcium), and $K$ (Potassium) are macronutrients.$4$. $Zn$ (Zinc) is a micronutrient, not a macro-element.

Which of the following is not an essential macro-element for the growth of plants?

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