R. H. Whittaker proposed the 5-Kingdom classification system in:
A$1859$
B$1900$
C$1953$
D$1969$
Answer & Solution
Correct answer: D. $1969$
R. H. Whittaker proposed the 5-Kingdom classification in 1969: Monera, Protista, Fungi, Plantae, Animalia.
Based on cell type, body organisation, mode of nutrition.
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