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Question

What was the old name of Blue green algae?

A
Cyanobacteria
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B
Myxophyceae
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C
Spectrum algae
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D
None of these
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Solution

The correct option is B Cyanobacteria
Blue-green algae are also known as cyanobacteria. Cyanobacteria are a phylum of bacteria that obtain their energy through photosynthesis and are the only photosynthetic eukaryotes able to produce oxygen. The word "Cyanobacteria" comes from the color of bacteria (blue). It is also known as blue-green algae, though the term algae are restricted to eukaryotes
So, the correct answer is 'Cyanobacteria'.

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