A) Four kingdoms
B) One kingdom
C) Two kingdoms
D) Three kingdoms
Correct Answer: A
Solution :
R.H. Whittaker (1969) an American taxonomist devided all the organisms into five kingdomes. These are kingdom monera Protista, Fungi, Plantae and Animalia. Out of these five, only one kingdom, monera contains all prokaryotes like, bacteria mycoplasma, Actinomycetes and blue-green algae (cyanobacteria). Rest four kingdoms Protista, Fungi, Plantae and Animalia i.e., contain unicellular (protista) to multicellular (fungi, Plantae and Animalia) eukaryotic cell organization.
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