Biological Classification

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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

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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?

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Fill in the blank with the correct answer from the bracket.

In taxonomy, the organisms can be divided into different _____. (fossil records, taxa, keys)

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The process of classification in which the living organisms can be categorised into different taxa is called nomenclature.

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Write a short note on taxonomy.

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Fill in the blank with the correct answer from the bracket.

The major source of phylogenetic classification is _____. (herbarium, fossils, keys)

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

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The phylogenetic classification is base on the

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Name the three domains of the classification by Carl Woese.

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Identify the correct options

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Assertion (A): Species is an evolutionary unit.

Reason (R): Individuals of a species have a similar structure and functional characteristics.

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Assertion (S): Species is a breeding unit.

Reason (R): A species is reproductively isolated from the individuals of the other species.

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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 2 domains using 16 s rRNA.

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The hierachical arrangement of taxonomic categories in descending order is

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Super kingdom is

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Species are considered as a

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The unit of classification containing concrete biological entities is

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Basic unit of classification of organisms is

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Who coined the term taxonomy?

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The smallest unit of classification is

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Carl Linnaeus is famous for