Question

Which of the following micro-organism used for nitrogen fixation and is micro aerophillic

A Azotobacter Correct Answer Incorrect Answer
B Rhizobium Correct Answer Incorrect Answer
C Azospirillum Correct Answer Incorrect Answer
D Nostoc Correct Answer Incorrect Answer

Solution

Azospirillum is micro aerophillic ( it needs less oxygen concentration than aerobic microbes to survive) is used for nitogen fixation in wheat crop.

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