HESI A2 Exam Prep 2026

Real HESI A2 Questions.
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Practice with exam-accurate HESI A2 questions that match the real test in format, difficulty, and logic. Trusted by students accepted into nursing programs across the United States.

8
Exam Sections
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~5hr
Total Test Time
95%
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About Biological Classification & Taxonomy

Learn the correct taxonomic hierarchy from kingdom to species, showing levels from most inclusive to least inclusive.

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Biological Classification & Taxonomy HESI A2 Practice Questions

Free Biological Classification & Taxonomy practice questions for the HESI A2 exam with detailed rationales.

Question 1 of 2

Which of the following is the correct order of taxonomic ranks from most inclusive to least inclusive?
Phylum, kingdom, class, order, family, genus, species
Kingdom, class, phylum, order, family, genus, species
Kingdom, phylum, class, order, family, genus, species
Species, genus, family, order, class, phylum, kingdom