A after-test was answered by the pupils after the presentation of the lesson, having been the same test with the same questions, with the objective to evaluate with exactness the success of the proposal of intervention pointed for the academic necessity of this school. After all the theoretical process of learning and I practise, was opened the questions, that had been varied possible, that after answered, another one equal questionnaire to the first one was applied successfully, therefore the pupils had answered all the questions correctly, confirming the absorption of the content on the part of the pupils, since in the first questionnaire the answers pointed the existence of problems in the assimilation and interpretation of the pupils. Daily pay-test A questionnaire I contend 04 (four) questions on the material used in the laboratory lesson, of easy agreement and understanding, on cell and structure of the onion, was delivers to the pupils after to know the laboratory, place this who many at least knew, had answered the knowledge in accordance with that they would get. Graph 01: Questionnaire applied to the all the pupils previous to the intervention project Source: research carried through in a municipal public school in the city of Una/MG, December of 2010. In question 01 (one) it was asked of clear form what it was cellular wall, 90% of the pupils had answered that it was cytoplasm, being that the correct one would be the letter, Cell or cellular wall. Question 2 (two) varied a little of opinion, inside of the question on the constitution of the onion, the pupils had thought with total unfamiliarity on what they were answering, following to answer the questionnaire for insistence of the part of the palestrante therefore alleged not to have studied on this subject, asks this that would be the same one of the first one modifying only the formularization But in question 04 (four) the great majority correctly answered the question without not even knowing, factor this proven later, to the open being the questions, this was the first question made for them and if extending to all the same doubt.