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Solution


Q.

Which of the following pairs is of unicellular algae                    [2020]
1 Laminaria and Sargassum  
2 Gelidium and Gracilaria  
3 Anabaena and Volvox  
4 Chlorella and Spirulina  

Ans.

(4)

Gelidium, Gracilaria, Laminaria, and Sargassum are multicellular. Anabaena is filamentous blue-green algae. Volvox is colonial.