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The scientific name of wheat is Triticum aestivum. What category does 'Triticum' denote in the taxonomic hierarchy?

Answer and explanation

Correct answer: Genus

Answer: A, genus. In a binomial scientific name, the first word is the generic name and the second word is the specific epithet. In Triticum aestivum, Triticum is written with a capital first letter and identifies the genus containing the species. Aestivum is the specific epithet; together, the two words form the species name. B is wrong because the specific epithet is the second word, not the first. Family and order are higher taxonomic ranks containing one or more genera, so C and D are wrong. A common confusion is to call the second word the “species”; strictly, the complete binomial represents the species, while the second word alone is the specific epithet. Memory cue: first word = genus, second word = specific epithet; both together = species name.

Related tags

WheatGenusSpecific EpithetTaxonomyBinomial NomenclatureTaxonomy Binomial NomenclatureThe Living WorldBiologyClass 11 Mcq

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