Your definition of politically correct is an example of politically correctness. It is not institutionalzed politeness when a person is required to self-censor their speech or their actions. Please read anything by the great Aleksandr Solzhenitsyn to see how damaging this can be to your humanity.

The test is of your knowledge of evolution, not your belief in it
I can easily pass a test on Marxist theory, even though I don't believe any of it
Conversely, I believe passionately that Michelle Kwan is my favorite athlete, but I would fail miserably at a test about ice skating
That's the POINT of education - to distinguish between knowledge and belief. Of course, that is a tough concept for indoctrinators of any bent to grasp.