The basic unit of classification / taxonomy is

Identify the correct terms for the following analogies:
$(i)$ Cat : Felidae :: Dog : ....
$(ii)$ Scientific name of Mango : Mangifera indica :: Wheat : .....

Assertion $(A)$: Linnaeus is known as the father of taxonomy.
Reason $(R)$: Linnaeus developed the binomial nomenclature system for the scientific naming of organisms.
Which option is correct for Assertion $(A)$ and Reason $(R)$?

Which of the following species are included in the genus $Solanum$?

Which one of the following animals is correctly matched with its particular named taxonomic category?

In the scientific name of organisms,which taxonomic category is written in lowercase letters?