Biology Chapter 2: Biological Classification
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Questions and Answers

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?

    <p>Plantae and Animalia</p> Signup and view all the answers

    Why was the Two Kingdom system of classification found inadequate?

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

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

    <p>Instinctive criteria for food, shelter, and clothing.</p> Signup and view all the answers

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

    <p>Cell structure, body organization, mode of nutrition, and reproduction</p> Signup and view all the answers

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

    <p>Monera</p> Signup and view all the answers

    What is a characteristic feature of the kingdom Protista?

    <p>Eukaryotic cell type</p> Signup and view all the answers

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

    <p>Plantae</p> Signup and view all the answers

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

    <p>Three-domain system</p> Signup and view all the answers

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

    <p>Cell structure</p> Signup and view all the answers

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

    <p>Divide it into two domains</p> Signup and view all the answers

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

    <p>Cell structure, body organization, and mode of nutrition</p> Signup and view all the answers

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

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

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

    <p>Blue green algae and mosses</p> Signup and view all the answers

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