- A unit of classification
- B a type of cell
- C a kind of tissue
- D a simple chemical
Correct answer: A. unit of classification
Explanation: A taxon is any group or rank used in classification (e.g. a genus or a family).
Concept context
Biodiversity, taxonomy, binomial nomenclature, the taxonomic hierarchy, and taxonomic aids like herbaria and botanical gardens. The foundational first chapter of NCERT Biology.