Identify the mismatched pair.

Which of the following statements is incorrect?

Match the following and choose the correct combination from the options given.

Column $I$	Column $II$
$a.$ Potassium	$(i)$ Germination of pollen grains
$b.$ Molybdenum	$(ii)$ Involved in synthesis of auxin
$c.$ Boron	$(iii)$ Involved in stomatal movement
$d.$ Zinc	$(iv)$ Constituent of ferredoxin
$e.$ Sulphur	$(v)$ Component of nitrate reductase

Select the correct option:
$(1)$ During $transamination$ / $reductive$ $amination$,an amino group is transferred from one amino acid to the keto group of a keto acid.
$(2)$ $Azotobacter$ / $Clostridium$ are free-living bacteria.

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

Statement $P$: In vertebrates,about $70$ percent of the total phosphorus is incorporated into bones and teeth.
Statement $Q$: Phosphorus is a structural component of vitamins like biotin and thiamine.