Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Which of the following is not an autotrophic microbe that fix atmospheric nitrogen ? - Sarthaks eConnect
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Which of the following is not an autotrophic microbe that fix atmospheric nitrogen ?

Which of the following is not an autotrophic microbe that fix atmospheric nitrogen ?

A.

Anabaena

B.

Rhizobium
C.

Nostoc

D.

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