(a) The system of giving a scientific name to organisms in which the first name indicates the genus and the second indicates the species.
(b) Carolus Linnaeus.
© Any two conventions of the following :
(i) Name of genus begins with a capital letter.
(ii) Name of species begins with a small letter.
(iii) When printed the scientific name is given in italics.
(iv) When written by hand the genus name and the species name to be underlined separately.