Who proposed five kingdom classification?

Aug 09, 2022, 16:45 IST

Who proposed five kingdom classification? Find the details 

Five kingdom classifications is based on 

Nature of prokaryote and eukaryote.

Unicellularity and multicellularity

Mode of nutrition

Ecological life

Phylogenetic relationship

Here living organisms are divided into 5 kingdoms.

(i) Kingdom Monera (Kingdom of prokaryotes)

Characteristic features

Cell wall made of peptidoglycan

Contains single, circular, coiled, double stranded DNA in nucleoide.

DNA is not associated with histones

Ribosome is of 70s type, which is further divided into larger subunit 50s and smaller subunit 30s.

Membrane bound structure like, mitochondria, chloroplasts, endoplasmic reticulum, G.B etc. are absent.

Flagella does not show 9 + 2 microtubular pattern. 

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(ii) Kingdom Protista

Characteristic features

Mostly aquatic

Eukaryotic (some are mesokaryotic e.g., dinoflagellates)


Cell wall made of cellulose

Locomotion by flagella, cilia and pseudopodia

Ribosome is of 80s type, which is subdivided into 60s and 40s.

Reproduction is through asexual and sexual method.

(iii) Kingdom Fungi

Body is thalloid

Thallus structure is made up of fine tubular elements called hyphae. Many hyphae together form network called mycelium.

Fungi are always heterotrophic because they lack chlorophyll

Cell wall made of chitin

Reserve food - glycogen

Reproduction occurs by spore formation.

(iv) Kingdom plantae (or Metaphyta)

It includes algae, Bryophyte, Pteridophyte, Gymnosperm and Angiosperms.

(v) Kingdom Animalia (or Metazoa)

It includes all unicellular and multicelular invertebrates, and vertebrates.

Who proposed five kingdom classification? pdf 

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