39.Which of the following is common to Azospirillum, Azotobacter, Anabaena, Nostoc and Oscillatoria? A. Prokaryotes B. N2-fixers C. Both a & b D. Eukaryotes

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Muskan Anand

2 years ago

Option C. Azospirillum and Azotobacter are free living bacteria whereas Anabaena, Nostoc and Oscillatoria are cyanobacteria

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