Taxonomic categories and the hierarchy — practice questions

Question 1 · difficulty L1 · recall

What is the basic unit of classification in the taxonomic hierarchy?

• A. Species
• B. Genus
• C. Family
• D. Order

Question 2 · difficulty L1 · recall

What is the lowest major taxonomic category in the standard hierarchy?

• A. Order
• B. Family
• C. Genus
• D. Species

Question 3 · difficulty L1 · recall

Which taxonomic rank comes immediately above species?

• A. Genus
• B. Family
• C. Order
• D. Class

Question 4 · difficulty L1 · recall

Which rank comes immediately above genus?

• A. Class
• B. Species
• C. Order
• D. Family

Question 5 · difficulty L1 · recall

Which taxonomic rank is immediately above family?

• A. Genus
• B. Phylum
• C. Class
• D. Order

Question 6 · difficulty L1 · recall

Which rank is immediately below phylum in animals?

• A. Kingdom
• B. Order
• C. Family
• D. Class

Question 7 · difficulty L2 · recall

Arrange these taxonomic categories from the most inclusive to the least inclusive. (set mt9s9khf)

• A. Class, Order, Family, Genus
• B. Order, Class, Genus, Family
• C. Family, Order, Class, Genus
• D. Genus, Family, Order, Class

Question 8 · difficulty L2 · recall

Arrange these taxonomic categories from the most inclusive to the least inclusive. (set mt9sit8r)

• A. Class, Order, Family, Genus
• B. Order, Class, Genus, Family
• C. Family, Order, Class, Genus
• D. Genus, Family, Order, Class

Question 9 · difficulty L2 · understanding

Two organisms are placed in the same genus. Which relationship must also be true?

• A. They are the same species
• B. They belong to the same family
• C. They belong to different orders
• D. They have identical characteristics

Question 10 · difficulty L2 · understanding

As one moves from species toward kingdom, what generally happens to the number of organisms included in a category?

• A. It increases
• B. It decreases
• C. It remains constant
• D. It becomes zero at family