My biology professor provides basically zero feedback on his student's understanding of the material. There are very few practices questions to prepare for exam

My biology professor provides basically zero feedback on his student's understanding of the material. There are very few practices questions to prepare for exams, which are worth 40% of your grade. I had an LLM write some python that extracts the relevant textbook chapters, which then I can feed into an LLM to generate practice questions. Then I can ask the LLM for feedback and whether or not I'm articulating the answers correctly.