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  1. Five kingdom system of classification suggested by R.H. Whittaker is not based on:
    1. Presence or absence of a well defined nucleus.
    2. Mode of reproduction.
    3. Mode of nutrition.
    4. Complexity of body organisation.
Correct Option: A

Five kingdom system of classification was proposed by R.H. Whittaker (1969). The five kingdom classification is based on the following criteria:
• Complexity of cell structure – Prokaryotes or Eukaryotes
• Complexity of organisms body – Unicellular or Multicellular
• Mode of obtaining nutrition – Autotrophic or Heterotrophic
• Phylogenetic relationships



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