A quick method of identifying pathogens is polymerase chain reaction.
Option A is correct.
Any technique or system that shortens the time needed to obtain the results of a microbiological test is considered a quick procedure (Feng, 1996). Adapted from: Encyclopedia of Agriculture and Food Systems
Rapid microbial methods (RMMs), often called alternative microbiological methods or alternative microbiology test methods, are technologies that enable users to obtain microbiology test results more quickly than with conventional culture-plate procedures. Miller: "Faster" indicates in a matter of hours, rather than, in certain situations, days or weeks.
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