Correct option is A
Azospirillum is a well-known
nitrogen-fixing bacterium that forms associations with plant roots and helps improve soil fertility.
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Question
Which of the following is nitrogen fixing organism?
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- 1)Green patches in meat are caused by green spores of which of the following microorganisms?
- 2)It is by far the most widely used method for determining the number of viable cells in a food product–
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