After carefully reading biology textbooks and understanding and memorizing basic terms, terms and concepts, we should focus on learning the laws of biology and understanding the relationship between various structures and groups of biology.
Return to teaching materials. Anyway, 90% of the questions are related to textbooks, and the rest I think are related to common sense of life.
Don't learn by rote, never do this. Many people think that biology is a liberal arts, which means backrest. It is also reasonable to say that biology is for memory, but learning depends more on methods, so we should remember flexibly, that is, understand memory, so as not to forget and deepen memory.
Find the loopholes in knowledge from the test questions.