Question

Which of the following is not a correct hierarchical order?

• A. Class, order, family
• B. Family, order, class
• C. Phylum, order, family
• D. Class, family, genus

Answer 1

Answer: (B)

Family, order, class

The phylum is the highest level while the genus is lowest among all the hierarchical categories given in options.

Class ranks higher than family and order. The class is followed by order and family successively.

So, the correct option is 'Family, order, class'.