For the limited nitrogen that is present in the soil,microbes compete with

Match the following columns:

Column-$I$	Column-$II$
$(A)$ Water splitting reaction	$(1)$ Boron
$(B)$ Uptake and utilisation of $Ca^{2+}$	$(2)$ Copper
$(C)$ Synthesis of auxin	$(3)$ Chlorine
$(D)$ Redox reaction	$(4)$ Zinc

Which one of the following is a wrong statement?

Match the columns:
$I$ $II$
$(A)$ Magnesium $(i)$ Found in middle lamella
$(B)$ Sulphur $(ii)$ $A$ structural component of chlorophyll
$(C)$ Calcium $(iii)$ Required for enzyme activity
$(D)$ Iodine $(iv)$ Found in some amino acids
$(E)$ Manganese $(v)$ $A$ component of sugars
$(vi)$ Not important for plants

Match Column-$I$ and Column-$II$ and choose the correct option given below the columns.

Column-$I$ (Element)	Column-$II$ (Function)
$A$. Calcium	$I$. Required for ionic balance
$B$. Boron	$II$. Essential for constitution of nucleic acid
$C$. Phosphorus	$III$. Required for absorption of calcium
$D$. Chlorine	$IV$. Required to activate respiratory enzyme
$E$. Manganese	$V$. Required for synthesis of mitotic spindle

Identify the mismatched pair.