Chapter 152 of 2362 min read

Five-kingdom classification

Why this is asked: Whittaker's five kingdoms are separated on five criteria — cell structure, body organisation, mode of nutrition, reproduction and phylogenetic relationships — and mode of respiration is not one of them, though options often slip it in. Viruses, viroids and lichens are deliberately left out of all five kingdoms because they don't fit a cellular definition of life.

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Test yourself

•Each of the following characteristics represents a kingdom proposed by Whittaker. Arrange the following in increasing order of complexity of body organisation. A. Multicellular heterotrophs with a cell wall made of chitin. B. Heterotrophs with tissue/organ/organ-system level of body organisation. C. Prokaryotes with a cell wall made of polysaccharides and amino acids. D. Eukaryotic autotrophs with tissue/organ level of body organisation. E. Eukaryotes with cellular body organisation. Choose the correct answer from the options given below:

Open this in the full syllabus view · Botany

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