Which classification system does not integrate other disciplines?

In the taxonomic hierarchy,which of the following groups of taxa will have the fewest number of similarities compared to the others?

The basic unit of classification / taxonomy is

Assertion $(A)$: Linnaeus is known as the father of taxonomy.
Reason $(R)$: Linnaeus developed the binomial nomenclature system for the scientific naming of organisms.
Which option is correct for Assertion $(A)$ and Reason $(R)$?

$DNA$ sequence is the basis of grouping organisms in

Match the following columns and choose the correct option:

Column-$I$ (Common Name)	Column-$II$ (Family)	Column-$III$ (Order)
$A$. Frog	$P$. Poaceae	$i$. Orthoptera
$B$. Earthworm	$Q$. Asteraceae	$ii$. Anura
$C$. Maize	$R$. Blattidae	$iii$. Asterales
$D$. Sunflower	$S$. Megascolecidae	$iv$. Glumiflorae
$E$. Cockroach	$T$. Ranidae	$v$. Opisthopora