No, because some colleges have limits on the number of people who can be in a specific major.
major requirements
There are many different junior colleges that one can go to. It is much easier to get into junior college compared to major universities.
There are a couple of ways that you can declare an academic major when in college. You may be able to declare a major when you first apply to the college by simply checking a box for that major. If you start college as an undeclared student and later choose your major, you will need to visit your adviser to officially declare one. Each college will have a specific way of doing things that you will need to abide by, so it is best to check with your academic adviser to find out how you should declare a major at your college.
The required courses are specific to your major. Each major will have course requirements particular to themselves.
You must apply for a specific major at the college or university of choice and meet the entrance requirements fro that major. If you are already in college, see an academic adviser to matriculate.
Music is a college major. Marketing is a college major. Mechanical engineering is a college major.
Major
It is easier to get into college if your parent's have gone to that specific college because you would be a legacy there. Other than that, it does not really make a difference whether or not your parent's went to college. Getting accepted to, and graduating from, college has to do with your brains, not the brains of your parents.
You can choose both, but no you do not have to. You can into college/university with an 'undeclared major' and choose a major later. Your first two years (at universities) are general studies anyway, meaning you don't take program specific classes anyway. Minors are optional.
That would strictly depend on the specific program of study (major). Each major has requirements particular to itself.
What was Oprah's major in college
The bachelor's degree is awarded to a student after successful completion of a specific program of study (major).