Biology Chapter 2: Biological Classification

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What was the drawback of the Two Kingdom system of classification developed in Linnaeus' time?

It did not include unicellular organisms.

It did not account for the presence of viruses.

It did not distinguish between eukaryotes and prokaryotes. (correct)

It did not differentiate between photosynthetic and non-photosynthetic organisms.

Who was the earliest to attempt a more scientific basis for classification of living organisms?

Aristotle (correct)

Viruses

Linnaeus

Civilisation

What was used by Aristotle to classify plants into trees, shrubs, and herbs?

Presence of fruits

Leaf shape

Color of the flowers

Simple morphological characters (correct)

Which kingdoms were included in the Two Kingdom system of classification developed in Linnaeus' time?

Plantae and Animalia Signup and view all the answers

Why was the Two Kingdom system of classification found inadequate?

It did not account for a large number of organisms that didn't fall into either category. Signup and view all the answers

What were some of the criteria used by early attempts to classify living organisms?

Instinctive criteria for food, shelter, and clothing. Signup and view all the answers

What are some of the characteristics considered in the Whittaker's Five Kingdom Classification?

Cell structure, body organization, mode of nutrition, and reproduction Signup and view all the answers

Which kingdom did R.H. Whittaker propose in his Five Kingdom Classification?

Monera Signup and view all the answers

What is a characteristic feature of the kingdom Protista?

Eukaryotic cell type Signup and view all the answers

According to Whittaker's classification, which kingdom includes organisms with a cell wall made of cellulose?

Plantae Signup and view all the answers

Which classification system proposed dividing the Kingdom Monera into two domains?

Three-domain system Signup and view all the answers

What unified the organisms classified under 'Plants' in earlier classification systems?

Cell structure Signup and view all the answers

What did the Three-domain system propose to do with the Kingdom Monera?

Divide it into two domains Signup and view all the answers

What was the main criterion for classification used by R.H. Whittaker in his Five Kingdom Classification?

Cell structure, body organization, and mode of nutrition Signup and view all the answers

'Plants' in earlier classification systems included which of the following organisms?

(Cyanobacteria) blue green algae, prokaryotic bacteria, and eukaryotic organisms Signup and view all the answers

What was included under 'Plants' in earlier classification systems?

Blue green algae and mosses Signup and view all the answers

Biology Chapter 2: Biological Classification

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