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Use Whittakar Method to Classify Bacteria, Protozoa, Fungi, Algae, Prokaryotic and Eukaryaotic Microbes. - SSC (English Medium) Class 8 - Science

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Question

Use Whittakar method to classify bacteria, protozoa, fungi, algae, prokaryotic and eukaryaotic microbes.

Solution

The characteristic features of each of the five kingdoms classified by Whittaker are:

Kingdom Monera

  • Absence of a well-defined nucleus or membrane-bound organelles

  • Absence of multicellular body designs; all are unicellular

  • Presence or absence of a cell wall

  • Autotrophic or heterotrophic mode of nutrition


Kingdom Protista

  • They are unicellular, eukaryotic organisms.

  • They can be autotrophic or heterotrophic.

  • Some members have cilia or flagella, which helps in locomotion.


Kingdom Fungi

  • They may be unicellular or multicellular, eukaryotic organisms.

  • Their body consists of mycelium, which is made up of multicellular filamentous hyphae.

  • Their cell walls are made up of tough, complex sugar called chitin.

  • They are saprophytes, which feed on dead organic material.


Kingdom Plantae

  • They are multicellular, eukaryotic organisms.

  • Cell wall is made up of cellulose and not chitin unlike that of fungi.

  • Most plant cells contain chlorophyll pigments. Hence, they are autotrophic.

  • They are non-motile.


Kingdom Animalia

  • They are multicellular eukaryotes.

  • Cell wall is absent in them.

  • Chloroplast is absent in animal cells. Hence, they have a heterotrophic mode of nutrition.
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 Balbharati Solution for Balbharati Class 8 Science - General Science (2018 to Current)
Chapter 1: Living World and Classification of Microbes
Exercise | Q: 1 | Page no. 5
Solution Use Whittakar Method to Classify Bacteria, Protozoa, Fungi, Algae, Prokaryotic and Eukaryaotic Microbes. Concept: Classification of Microorganisms.
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