Azotobacter and Bacillus polymyxa areA. DecomposersB. Nonsymbiotic nit – InterviewSolution

1.	Azotobacter and Bacillus polymyxa areA. DecomposersB. Nonsymbiotic nitrogen fixersC. Symbiotic nitrogen fixersD. Pathogenic bacteria
Answer» Correct Answer - B Azotobacter and Bacillus polymyxa are free living or non-symbiotic nitrogen fixing bacteria of soil, which increase fertility of soil and hence yield of crop plants.

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