Answer:
There are different methods of enumeration of bacteria like viable plate count, direct microscopic method, turbidity method, etc. These methods are used to find out the number and concentration of microorganisms in any sample.
In real like the application of using enumeration methods can be seen in diary microbiology, food, microbiology, water microbiology, etc. In these sectors, the enumeration method is used to find out the quality of the food items, water.
Water quality is checked by enumerating the number of coliform bacteria by serial dilution method. In food, bacteria that cause foodborne illnesses are enumerated by using the enumeration method.