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According to Whittaker's system, which organism group is included in Kingdom Plantae?

Answer and explanation

Correct answer: Multicellular algae, bryophytes, pteridophytes, gymnosperms, and angiosperms

Direct answer: B is correct. In Whittaker’s five-kingdom system, Plantae contains mainly multicellular, eukaryotic and photosynthetic organisms with a cell wall. The listed groups represent the major plant lines taught at this level: multicellular algae, bryophytes, pteridophytes, gymnosperms and angiosperms. A is wrong because bacteria are prokaryotes and belong to Monera in Whittaker’s system. C is wrong because fungi are eukaryotic but heterotrophic absorbers, so they form a separate kingdom. D is wrong because protozoans are generally unicellular eukaryotes placed in Protista. The word “mainly” is useful because classification descriptions summarise dominant features rather than claiming that every organism has every feature in exactly the same way. Memory cue: Plantae includes multicellular photosynthetic plant groups from algae through flowering plants.

Related tags

Whittaker ClassificationKingdom PlantaePlant GroupsFive Kingdom SystemFive Kingdom ClassificationBiological ClassificationBiologyClass 11 Mcq

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