Bacteriophages are mostly needed for

Ans. is 'a' i.e., Bacterial identification "The specificity of bacteriophage-bacterium interaction is made use of in identification and typing of bacteria". Bacteriophage (phage) . Bacteriophages are viruses that infect bacteria. . Phages play an impoant role in the transmission of genetic information between bacteria by the process of transduction. . The presence of phage genome integrated with bacterial chromosome confer bacteria ceain propeies by a process known as phage conversion. . Phages have been used as cloning vectors in genetic manipulation.