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Who proposed the Four-Kingdom Classification System?

Answer and explanation

Correct answer: Copeland

The correct answer is B, Copeland. H. F. Copeland proposed a four-kingdom classification that recognised Monera, Protista, Plantae and Animalia. A major feature was treating prokaryotic organisms as a separate kingdom, Monera. Option A, Haeckel, is associated with the earlier three-kingdom idea that recognised Protista. Option C, Whittaker, proposed the well-known five-kingdom system consisting of Monera, Protista, Fungi, Plantae and Animalia. Option D, Woese, is associated with the three-domain system based on major cellular and molecular differences. Therefore, the scientist linked specifically with four kingdoms is Copeland. Memory cue: Copeland—four; Whittaker—five; Woese—three domains.

Related tags

Four Kingdom ClassificationCopelandWhittakerBiological ClassificationFive Kingdom ClassificationBiologyClass 11 Mcq

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