All taxonomic categories together constitute the..........

Assertion $(S)$: Kingdom is the largest taxonomic category.
Reason $(R)$: The major group that includes all other groups is called a Kingdom.
$(a)$ 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.

Three different genera $Solanum$,$Petunia$,and $Datura$ are placed in the family:

What is the scientific process of categorizing all living organisms into different taxa based on their characteristics called?

Which of the following taxonomic categories contains the maximum number of organisms?

$Taxa$ differs from $taxon$ due to being