Which of the following categories has more common characteristics than the species?

Which of the following taxonomic categories is being described by the given statements $(i-iii)$?
$(i)$ It is the basic unit of classification.
$(ii)$ It is defined as the group of individuals which resemble in their morphological and reproductive characters and interbreed among themselves and produce fertile offspring.
$(iii)$ Human beings belong to the species $sapiens$ which is grouped in the genus $Homo$.

Which of the following taxonomic categories is less general in characters as compared to genus?

What is a group of species that share a common ancestor called?

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?

What is the genus of the sunflower?