Biology · BIOLOGICAL CLASSIFICATION
हिन्दीHistorical classification systems placed *Chlamydomonas* and *Spirogyra* together under algae because both possessed a cell wall. In Whittaker's five-kingdom classification, where is unicellular *Chlamydomonas* placed relative to *Spirogyra*?
Correct answer · Option 3
*Chlamydomonas* in Protista, while *Spirogyra* remains in Plantae
Explanation
Whittaker placed all unicellular eukaryotic organisms including *Chlamydomonas* into Kingdom Protista, whereas multicellular photosynthetic algae like *Spirogyra* are placed in Kingdom Plantae.