This paper is a warm-up and could end up being the inspiration for your Seminar paper/presentation.
Select a topic related for food science and technology such as food insecurity or food safety. Search for it in Opposing Viewpoints (link below).
Examine all aspects of the issue, using several different types of resources. Opposing Viewpoints contains opinion pieces, which can be very helpful. However, you should also be aware of the perspective the author brings to a piece.