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प्रश्न
Give some examples of taxa at different hierarchical levels.
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उत्तर
For example - maize, roses, grass, conifers, dicotyledons, seed plants. The word taxon was first coined by ICBN (International Code of Botanical Nomenclature) in 1956 and Mayer (1964) defined it as 'taxonomic group of any level'. Had given.
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