Which of the following is a free-living aerob | vedclass

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(A) $Azotobacter$ is a free-living,aerobic bacterium that is capable of fixing atmospheric nitrogen.$Rhizobium$ is a symbiotic nitrogen-fixing bacteri

Vedclass · Accepted Answer

$Azotobacter$

Vedclass · Answer

(A) $Azotobacter$ is a free-living,aerobic bacterium that is capable of fixing atmospheric nitrogen.$Rhizobium$ is a symbiotic nitrogen-fixing bacterium found in the root nodules of legumes.$Clostridium$ is generally an anaerobic bacterium.$Streptomyces$ are actinobacteria known for antibiotic production,not primary nitrogen fixation.Therefore,the correct answer is $Azotobacter$.

Which of the following is a free-living aerobic bacterium capable of nitrogen fixation?

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