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

Which of the following represents the correct sequence of taxonomic categories in descending order of diversity?

$A :$ Species is a genetically closed system.
$R :$ Because the reproductive isolation constitutes the most important boundary between different species.

The common characteristics between tomato and potato will be maximum at the level of their

Reproduction is possible between two members of which taxonomic category?

Match the following:

Column-$I$	Column-$II$
$1$. Solanaceae	$A$. Species
$2$. Felis	$B$. Genus
$3$. Tuberosum	$C$. Family
	$D$. Order