The Genin Exams are an opportunity for Academy Students to be promoted to Genin. To pass, you must correctly answer a series of 10 questions related to the game.
The Chūnin Exams are an opportunity for Genin to be promoted to Chūnin. The exam structure and evaluation processes differ from one exam to the next so that Genin cannot come not prepared.
The Jonin Exams are an opportunity for Chūnin to prove their skill and become true shinobi. The Exam itself is pretty hard, with each question being more difficult than the next.
S Jounin exams are an opportunity to become a true force to be reckoned with in this cruel shinobi world and show everyone your true talent. Every question on this exam must be answered in full, and every mistake is judged thoroughly.