Answer: OPENBOOK

AnswerCrossword Clue
OPENBOOKIngenue's countenance, e.g.
OPENBOOKEasiest kind of test?
OPENBOOKType of test
OPENBOOKLike some examinations
OPENBOOKTest type
OPENBOOKKind of test
OPENBOOKKind of exam
OPENBOOKType of exam
OPENBOOKArtless one
OPENBOOKSomething easily understood.
OPENBOOKSomething fully known