Enter one question per line using 'question : answer' format, press Build quiz, then answer each question and press Submit. You get a score out of the total plus a question-by-question review showing the correct answer for anything you missed.
The distractors are taken from the correct answers to your other questions, which keeps them plausible and on-topic without any AI guessing. That means you need at least four questions for a full set of four options per question.
Yes. The correct answer is placed in a random position for every question, so you cannot learn the pattern of where the right answer sits. Re-generating the quiz reshuffles both the questions and the options.
Yes. After you submit, every question is listed with the answer you chose and the correct answer, and wrong answers are highlighted so you know exactly what to revise.