In a hierarchical system of plant classification,which one of the following taxonomic ranks generally ends in '$ceae$'?

Match the common name given in column $I$ with their taxonomic category order given in column $II$ and choose the correct combination from the options given below.

Column-$I$ (Common name)	Column-$II$ (Taxonomic category-Order)
$A$. Wheat	$I$. Primata
$B$. Mango	$II$. Diptera
$C$. Housefly	$III$. Sapindales
$D$. Man	$IV$. Poales

In taxonomic classification,the category 'Family' is placed between which of the following?

What do the taxonomic categories together constitute?

$A :$ Two plants $A$ and $B$ are treated as two taxonomic species.
$R :$ Both $A$ and $B$ are different in correlated characters.

Which book has most influenced the approach of taxonomists?