Which one of the following statement(s) about Blue Green Algae (BGA) is /are not correct?

A) They are gram negative photosynthetic cyanobacteria

B) They have survived for about 3 billion years

C) Spirulina is the edible form of BGA

D) Sargassum belongs to BGA

Correct answer:
D) Sargassum belongs to BGA



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