Which one of the following is not an essentia | vedclass

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(C) Essential mineral elements are those that are absolutely necessary for the growth,development,and reproduction of plants. According to the criteri

Vedclass · Accepted Answer

Cadmium

Vedclass · Answer

(C) Essential mineral elements are those that are absolutely necessary for the growth,development,and reproduction of plants. According to the criteria established by Arnon and Stout,an element is considered essential if it is required for the plant's life cycle,its deficiency cannot be replaced by another element,and it is directly involved in plant metabolism. $Iron$ $(Fe)$,$Manganese$ $(Mn)$,and $Phosphorus$ $(P)$ are well-known essential macronutrients or micronutrients. $Cadmium$ $(Cd)$ is a toxic heavy metal and is not required for any physiological process in plants; in fact,it is harmful even in small concentrations. Therefore,$Cadmium$ is not an essential mineral element.

List-$I$	List-$II$
$A$. Figure of merit $(k)$	$P$. in series
$B$. Current sensitivity $(S_I)$	$Q$. to get power loss minimized
$C$. Deflection is made half by using resistance	$R$. in shunt/parallel
$D$. High resistance box connected	$S$. current per unit deflection
	$T$. deflection per unit current

Which one of the following is not an essential mineral element for plants while the remaining three are?

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