What criteria must be followed for naming a plant technically at present?

Which of the following is associated with the publication of 'Genera Plantarum'?

Which of the following statements are not correct?
$(i)$ Lower the taxon,more are the characteristics that the members within the taxon share.
$(ii)$ Order is the assemblage of genera which exhibit a few similar characters.
$(iii)$ $Cat$ and $dog$ are included in the same family Felidae.
$(iv)$ Binomial nomenclature was introduced by Carolus Linnaeus.

Match the following taxonomic categories with their characteristics:

Category	Characteristic
$A$. Species	$i$. Related families
$B$. Genus	$ii$. Related genera
$C$. Order	$iii$. Organisms capable of interbreeding to produce fertile offspring
$D$. Family	$iv$. Group of species with a common ancestor

Four statements are given below regarding species. Which two statements are correct?
$(1)$ Maximum similarity in maximum number of characters.
$(2)$ First letter in capital letter.
$(3)$ Latin word written after the scientific name.
$(4)$ Repetition of the species name is not possible.

Cat is included in which family?