Biology · THE LIVING WORLD

According to the rules of binomial nomenclature, which of the following statements correctly describes the format and significance of 'Linn.' in *Mangifera indica* Linn.?

1. A
   It is written in italics after the generic name to show the kingdom.
2. B
   It appears after the specific epithet in an abbreviated form, indicating the species was first described by Linnaeus.
3. C
   It is underlined along with the generic name to denote its Latin origin.
4. D
   It represents the sub-species and must be written starting with a capital letter in italics.