Which taxonomic category is formed by a group of related families?

In the following taxa, which taxon has the least similarity in characters?

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

Which of the following statement$(s)$ is/are true?
$A.$ An organism represents/occupies a place or position in the system of classification.
$B.$ One specific epithet may be present in different genera representing different species.
$C.$ Human belongs to $Homo$ species.
$D.$ Animals,mammals,and dogs represent the taxa at the same level.
Options:

Select the correctly matched pair of organisms with their order.

In which of the following taxonomy is equal weightage given to each of thousands of characters that a taxon exhibits?