There is one word that is on a test,which is a true and false question?

That 99.9% of the time makes if a false answer?





Does anyone know what word it is,


I have taken many of test in my life time and have notice it.There is one word that is on a test,which is a true and false question?
We were always taught that if a question said 'always' or 'never' then it was false.