The contamination that results from the spread of bacteria from meat to vegetables is called:

Foodborne illness is the contamination that results from the spread of bacteria from meat to vegetable. Various types of pathogenic micro-organisms get access to food, which is rich in nutrients and allows bacteria to flourish. When such contaminated foods are eaten, they cause foodborne illness. 

What is the point of this?

The name of the instrument that the scientist uses is called a microscope.a microscope is used to view objects which is not visible to the naked eyes