Describe the difference between "Code First" and "Database First" in relation to Entity Framework.
With code first your hand coded models become your database. The exact files that you're building are what generate the database design.
Describe the difference between Static and Dynamic polymorphism in relation to C#.
In static polymorphism, the response to a function is determined at the compile time. In dynamic polymorphism, it is decided at run-time
Describe the difference between a Class and an Object in C#.
An object is basically a block of memory that has been allocated and configured according to the blueprint. A program may create many objects of the same class. A class is a construct that lets you define the behavior and data or a type.