NCERT solution

(1)

Identify the correct sequence of taxonomical categories?
(a) Species - Order - Phylum - Kingdom
(b) Genus - Species - Order - Kingdom
(c) Species - Genus - Order- Phylum

SOLUTION

(a) and (c) represent correct sequences of taxonomic categories as the correct hierarchical arrangement of taxonomic categories in ascending order is

Species → Genus → Family → Order → Class → Phylum → Kingdom

In sequence (b), species should have been followed by genus. Therefore, it does not represent the correct sequence.

                              Concept

01

 

DEFINITION

Hierarchical of classification groups

• Carolus von Linnaeus created a hierarchical classification system using seven taxonomic categories.

• Kingdom - Top most taxonomic category.

• Phylum - Term used for animals while its synonym division is used for plants.

• Class - One or more than one order makes a class.

• Order - One or more than one similar families constitute order.

• Family - Collection of similar genera.

• Genus - Group of similar species.

• Species - Group of population which is similar in form, shape and reproductive features so that fertile sibling can be produced.