TS PSC Group 1 Services Prelims 2014 Paper

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Question : 2 of 200

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

They are gram negative photosynthetic cyanobacteria
They have survived for about 3 billion years
Spirulina is the edible form of BGA
Sargassum belongs to BGA

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