Question

which of the following is free living,non photosynthetic, nitrogen fixing bacteria
a)nostoc
b)rhizobium
c)azotobacter
d)azospirillium​

Answer 1

Explanation:

azotobacter

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Answer 2

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$\huge\bold\green{ANSWER:}$

⏩c) Azotobacter is a free living, non-photosynthetic, nitrogen fixing bacteria...

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