.......... is a group of closely related species.

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?

Genus represents

The only taxonomic category that has a real existence is...

Establishing relationships in higher taxonomic categories becomes more complex because -

Arrange the following taxonomic categories in ascending order.
$(a)$ Genus
$(b)$ Class
$(c)$ Order
$(d)$ Phylum
$(e)$ Family
$(f)$ Kingdom
$(g)$ Species
Choose the correct answer from the options given below: