Identify the group of micronutrients.

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(A) Essential elements are classified into two categories based on their quantitative requirements: macronutrients and micronutrients.Macronutrients a

Vedclass · Accepted Answer

$B, Zn, Ni, Si$

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(A) Essential elements are classified into two categories based on their quantitative requirements: macronutrients and micronutrients.Macronutrients are present in plant tissues in large amounts (in excess of $10 	ext{ mmol kg}^{-1}$ of dry matter). These include $C, H, O, N, P, S, K, Ca,$ and $Mg$.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 $Ni$.In option $A$, $B, Zn, Ni,$ and $Si$ are all considered micronutrients (or beneficial elements like $Si$).Options $B, C,$ and $D$ contain macronutrients like $Mg$ and $Ca$.

Column $I$	Column $II$
$(A)$ Chlorine	$(i)$ Important for $ATP$ and carbohydrate synthesis
$(B)$ Calcium	$(ii)$ Synthesis of hemoglobin and chlorophyll
$(C)$ Magnesium	$(iii)$ Essential for nucleic acid synthesis
$(D)$ Zinc	$(iv)$ Required for muscle contraction
$(E)$ Copper	$(v)$ Plays an important role in $CO_2$ transport
	$(vi)$ Required for the splitting of water

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