Which of the following is a taxon?

Statement $S$: The family $Columbidae$ includes pigeons and doves,which consist of various genera and species.
Reason $R$: $A$ family is a category formed by a group of closely related genera.
$(a)$ Both $S$ and $R$ are true,and $R$ is the correct explanation of $S$.
$(b)$ Both $S$ and $R$ are true,but $R$ is not the correct explanation of $S$.
$(c)$ $S$ is true and $R$ is false.
$(d)$ $S$ is false and $R$ is true.
$(e)$ Both $S$ and $R$ are false.

What does each step in the taxonomic hierarchy represent?

The scientific name of the mango plant is $Mangifera$ $indica$ $(Linn.)$ $Santapau$. In the above name,$Santapau$ refers to:

According to binomial nomenclature,which name of an organism is not reused for any other type of organism,and what does it consist of?

Identify the correct sequence of taxa in the Linnaean hierarchy.