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Where did Whittaker place Chlorella and Chlamydomonas?

Answer and explanation

Correct answer: Protista

Correct answer: B, Protista. Chlorella and Chlamydomonas are unicellular, photosynthetic eukaryotic algae. The important classification step is not to look only at photosynthesis; also identify the level of organisation and cell type. Their cells have a true nucleus, so they are eukaryotic, and each organism is essentially unicellular. In Whittaker's five-kingdom system, such unicellular eukaryotes are placed in Protista. A is wrong because Plantae mainly includes multicellular plants in this school-level scheme; photosynthesis alone does not decide the kingdom. C is wrong because Monera contains prokaryotes without a true nucleus. D is wrong because these organisms are photosynthetic algae, not absorptive fungi. Memory cue: unicellular eukaryotic algae—Protista, even when they photosynthesise.

Related tags

ChlorellaChlamydomonasProtistaUnicellular AlgaeFive Kingdom ClassificationBiological ClassificationBiologyClass 11 Mcq

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