Animal KingdomHard
Question
Which of the following is a cyanobacterium ?
Options
A.Nostoc
B.Chara
C.E. coli
D.Polysiphonia
Solution
Nostoc is a cyanbacterium. Cyanobacteria are gram(-) ve prokaryotes which perform oxygenic photosynthesis like plants. Cyanobacteria can be uniccellular (e,g. spirulina), colo nial. (e. g. Nostoc) or filamentous(e. g. Oscillatoria)
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