Which one of the following statements given below is not included in the universal rules of nomenclature?

Assertion $(S)$: Carolus Linnaeus is known as the father of taxonomy.
Reason $(R)$: Linnaeus proposed the binomial nomenclature system and conducted extensive studies in classification.
$(A)$ 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.

Cat is included in which family?

$A :$ Species is a genetically closed system.
$R :$ Because the reproductive isolation constitutes the most important boundary between different species.

What is considered a species?

What different criteria would you choose to classify people that you meet often?