Yes, especially if some cared, and if some had a little bit of confidence.
No unfortunately everyone at some time cheats. Even if it is nothing more than letting someone copy off of your paper.
No because practically everybody has internet access nowadays either via laptop, PC or iPhone and plagiarism can be easily done on any form of schoolwork.
No, I do not think so since kids create inventive ways to cheat such as cell phones or head pieces to their ears so they can hear the answers.
Tbh....i dont think so cuz like, there are sooo many ways that someone can cheat, and if you tried to stop all of them, most likely that someone new would find a new way to cheat.... Sad but true :(