Biological Classification
Biological Classification: Overview
This topic covers concepts such as Classification of Organisms, Species According to Systematic Hierarchy, Genus According to Systematic Hierarchy, Kingdom According to Systematic Hierarchy, Carl Woese Three Domain System of Classification, etc.
Important Questions on Biological Classification
In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea?


Name the taxonomic classification.

Recall the taxonomy hierarchy.

Explain the term Taxonomy.

Fill in the blank with the correct answer from the bracket.
The major source of phylogenetic classification is _____. (herbarium, fossils, keys)

The first phylogenetic system of classification was proposed by Benthem and Hooker.

The phylogenetic classification is base on the

Identify the correct options

Assertion Species is an evolutionary unit.
Reason (R): Individuals of a species have a similar structure and functional characteristics.

Assertion Species is a breeding unit.
Reason A species is reproductively isolated from the individuals of the other species.

Assertion (A): The six kingdom classification proposed by Carl Woese included Bacteria, Archaebacteria, Protista, Fungi, Plantae and Animalia.
Reason (R): Carl Woese divided six kingdoms into domains using

The hierachical arrangement of taxonomic categories in descending order is


Species are considered as a

The unit of classification containing concrete biological entities is

Basic unit of classification of organisms is

Who coined the term taxonomy?

The smallest unit of classification is

Carl Linnaeus is famous for
