What are the names of two species of the genus $Homo$ and two birds of the family $Columbidae$?

Choose the correct statement regarding biological nomenclature.

The common characteristics between $tomato$ and $potato$ will be maximum at the level of their.

Which of the following is the correct ascending order of different taxonomic categories used in plant classification?

Two animals $A$ and $B$ have similar morphological features and are fundamentally similar with each other,they must be treated as

Select the correct statements $(i-iv)$ regarding taxonomic categories.
$(i)$ Each step or rank in hierarchy is called taxonomic category.
$(ii)$ Species is a group of individual organisms with fundamental similarities capable of breeding among themselves.
$(iii)$ Taxonomic studies of all unknown organisms have led to the development of common categories like kingdom,phylum or division,class,order,family,genus and species.
$(iv)$ Lower the category,greater is the difficulty of determining the relationship to other taxa at the same level.