Phylogeny and inter-relationship found between taxa on the basis of number,type,and arrangement of chromosomes is known as:

Taxonomy deals with

The binomial nomenclature system of Linnaeus means that every organism has:

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.

What is '$P$' in the given figure?

The correct sequence of taxonomic categories is: