Explanation:
According to rules of binomial nomenclature, correctly written scientific name of mango is Mangifera indica Linn. as first described by Carolus Linnaeus.The Linn is the abbreviation that is used for the scientist Carl Linnaeus. Mangifera represents the genus and indica represent the species. Letter 'L' signifies the taxonomist, Linnaeus.So, the correct answer is 'Mangifera indica Linn.'Hence, the correct option is (B).