NEET 2020 Model Question Paper 2

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Question : 131 of 180
 
Marks: +1, -0
Consider the following prokaryotes :
Nitrobacter, E.coli, Lactobacillus, Frankia, Azospirillum, Streptomyces, Beijerinckia, Rhodopseudomonas, Rhizobium 1How many of the above can fix atmospheric nitrogen?
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