Q 77. ​Bioaugmentation is
(a) The addition of commercially prepared bacterial strains with specific catabolic activities to degrade wastes
(b) Production of fertilizers by using bacteria
(c) The metals are deposited as insoluble oxides and sulphides by activity of bacteria
(d) Removal of pests

Dear student,            
Please find below the solution to the asked query         
                                                   
Bioaugmentation is the process of adding cultured or prepared strains of microorganisms (mainly bacteria) which have specific catabolic activities to degrade the soil of contaminants in which they are added.
Hence, option (a) is correct. 

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