Which one of the following is the first step in taxonomy?

Define and explain the following taxonomic categories:
$(i)$ Phylum $(ii)$ Class $(iii)$ Family $(iv)$ Order $(v)$ Genus

Musca domestica is the scientific name of

Which of the following statements is incorrect?

Select the correct option on the basis of the following sentences:
$I.$ Biological names are generally in French.
$II.$ The first word in a biological name represents the genus.
$III.$ The second word in a biological name is written in a capital letter.
$IV.$ When the scientific name is handwritten,it should be underlined.

Lemurs,monkeys,and apes belong to the same taxonomic group . . . . . . .