Which of the following features are not shown by scientific names of various organisms?

The biological name of the ‘domestic cat’ is:

Read the following statements:
$(i)$ 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.
Which of the following statements are $NOT$ correct?

Which of the following statements is incorrect?

Identify the incorrect statement with respect to the rules of Binomial Nomenclature.

Cat and dog are placed in which families respectively?