Imparting biological knowledge is a complex task. But what about testing what you have learned? What questions should be asked? Where do you get them and the right answers? Quite simply: from the four-volume series "Biological knowledge in question and answer!" The total of 899 questions are clearly structured and the answers are memorably explained, which is very good for motivation.
An additionally available DVD contains the questions from all volumes, so that any combination of tasks can be printed out.

Why the bear likes honey is one of 315 key questions, the answers to which show whether you know your way around our animal and plant world.