In which of the following, all listed genera belong to the same class of Algae?

In which of the following, all listed genera belong to the same class of Algae?

Q. In which of the following, all listed genera belong to the same class of Algae?

A.            Chara, Fucus, Polysiphonia

B.            Volvox, Spirogyra, Chlamydomonas

C.            Porphyra, Ectocarpus, Ulothrix

D.            Sargassum, Laminaria, Gracilaria

Answer: Volvox, Spirogyra, Chlamydomonas

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