NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology Diversity in Living World-What is Living? Study Material (Page 4 of 9)

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Taxonomic Categories

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  • Taxonomic categories means plants group having natural relations.
  • Taxonomic categories are also called as rank.
  • The study of taxonomy has seven taxonomic categories – Kingdom, phylum, class, order, family, genus and species.
Knowing the Order of Taxonomic Categories
  • There are 7 main taxonomic categories. They are obligate categories i.e.. they are strictly used at the time of any plant classification.
  • There are some extra categories, like sub division, sub order, sub family, tribe, sub tribe, etc. They are not regularly used. They are used only when they are needed.
  • Classification involves hierarchy of steps i…

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History of Taxonomy - George Bentham

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(5) George Bentham (1800 - 1884) and Joseph Dalton Hooker (1817 - 1911) :-

  • Both Bentham and Hooker were related to Royal botanical garden.
  • Scientists working in botanical garden are known as curator.
  • They wrote the book “Genera plantarum” (1862 - 1883) .
    • In this book, Bentham and Hooker gave the biggest and natural classification of spermatophyte i.e.. plants with seeds.
    • In Genera plantarum, there is description of 202 families. In it basically the description of plants with seeds is present.
Classification of Spermatophyta

Merits of Bentham and Hooker classification:-

  • The classificat…

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