1.

Match the columns and choose the correct optionIII(a)Free living aerobic nitrogen fixers1Anabaena and Nostoc(b)Anaerobic nitrogen fixers2Pseudomonas and Thiobacillus(c)Nitrogen fixing cyanobacteria3Nitrosomonas and Nitrosococcus(d)Denitrifying bacteria4Azotobacter(e)Nitrifying bacteria5Rhodospirillum

Answer»

Match the columns and choose the correct option


III(a)Free living aerobic nitrogen fixers1Anabaena and Nostoc(b)Anaerobic nitrogen fixers2Pseudomonas and Thiobacillus(c)Nitrogen fixing cyanobacteria3Nitrosomonas and Nitrosococcus(d)Denitrifying bacteria4Azotobacter(e)Nitrifying bacteria5Rhodospirillum





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