Which mineral element is essential regarding respiratory pigments in invertebrates and vertebrates?

Which of the following options shows the correct correlation between column $I$,$II$,and $III$?

Column $I$	Column $II$	Column $III$
$A$. Calcium	$I$. Required for ionic balance	$(i)$. Grey blot on leaves
$B$. Boron	$II$. Essential for constitution of nucleic acid	$(ii)$. Fruit-yield decreases
$C$. Phosphorus	$III$. Required for absorption of calcium	$(iii)$. Red blot on leaves
$D$. Chlorine	$IV$. Required to activate respiratory enzyme	$(iv)$. Fruit-size diminishes
$E$. Manganese	$V$. Required for synthesis of mitotic spindle	$(v)$. Young root tip begin to die

Identify the $INCORRECT$ statement regarding the role of minerals in plants.

Given below are two statements:
Statement $I$: Diazotrophs are the nitrogen-fixing microorganisms,which are exclusively symbiotic.
Statement $II$: Organic fertilizers include farmyard manure,compost,and green manure.
In light of the above statements,choose the most appropriate answer from the options given below.

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

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