If several people got sick after eating cheese from a
particulargrocery store, describe how you would demonstrate
whichmicroorganism had caused the problem.

Through Microbial Culture test

Explanation:

If after eating cheese from a particular grocery store, several people got sick, it will be very important to conduct a microbial test on food poisoning to ascertain the particular microorganism that is responsible for it.

To do this, a sample stool test is carried out and cultured in  a particular media to determine its growth rate, this is then matched with the categories of  organisms responsible for food poisoning.