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

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(A) The correct answer is $A$. $Azospirillum$ is a free-living bacterium that lives in the soil and fixes atmospheric nitrogen. $Rhizobium$ is a symbi

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Azospirillum

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(A) The correct answer is $A$. $Azospirillum$ is a free-living bacterium that lives in the soil and fixes atmospheric nitrogen. $Rhizobium$ is a symbiotic bacterium that lives in the root nodules of leguminous plants. $Lactobacillus$ is used in the production of curd from milk. $Pseudomonas$ is generally a soil bacterium involved in decomposition and denitrification,not primarily known as a free-living nitrogen fixer in the context of biofertilizers.

Which of the following is a free-living nitrogen-fixing bacterium?

Similar Questions

If by radiation all nitrogenase enzymes are inactivated,then there will be no

Which of the following red pigments is present in the root nodules of leguminous plants?

Which mineral element plays an essential role in nitrogen fixation?

$A -$ The enzyme nitrogenase is highly sensitive to molecular oxygen.
$R -$ To protect nitrogenase enzymes,the nodule contains an oxygen scavenger called leghaemoglobin.

Which of the following is a free-living,aerobic,and non-photosynthetic nitrogen-fixing bacterium?

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