There is so much for you to learn from and enjoy that is all related to the story Into the Wild. You particularly wanted to know about quizzes and yes, absolutely, there is an 'overview' quiz. Refer to the enotes Study Guide for Into the Wild and on the left next to enotes you will see the quizzes and trivia and so on. You can also check the list from which you can navigate to themes, summary and so on. Just to give you an idea:
Into the Wild is the true story of the mysterious life and death of Christopher Johnson McCandless...
There's much more:
journal entries written in the third person about his adopted alter ego, "Alexander Supertramp