In the zoological name of an organism,the first word represents the:

As we go from Kingdom to Species, the number of common characteristics $ \dots $ and the number of species $ \dots $.

Which of the following plants belongs to the order Rosales?

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.

Which of the following is the correct sequence of taxonomic categories in descending order?

Taxonomic categories which come lower to the rank of class are