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Azotobacter and Bacillus polymyxa are...

Azotobacter and Bacillus polymyxa are

A

Decomposers

B

Nonsymbiotic nitrogen fixers

C

Symbiotic nitrogen fixers

D

Pathogenic bacteria

Text Solution

Verified by Experts

The correct Answer is:
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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