TG EAMCET 29 Apr 2025 Shift 2 Paper

Question : 27 of 160

Marks: +1, -0

Cyanobacteria fixing atmospheric nitrogen are
I. Oscillatoria and Anabaena
II. Azospirillum and Nostoc
III. Azotobacter and Rivularia
IV. Nostoc and Ocillatoria