Which of the following bacteria are free-living nitrogen fixers?

  • A
    Azospirillum
  • B
    Azotobacter
  • C
    Rhizobium
  • D
    Both $A$ and $B$

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Similar Questions

Which one of the following plants cannot fix atmospheric nitrogen directly?

The nitrogenase enzyme found in the root nodules of legumes contains:

$N_{2} + 8e^{-} + 8H^{+} \rightarrow 2NH_{3} + H_{2}$
The above equation refers to:

The important contribution of molybdenum is in:

How many electrons and protons are required to fix a molecule of dinitrogen $(N_2)$ (in each)?

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