I would like to get answers automatically valued (right answer 1 point,
wrong answer 0 point). Which feature do I have to you in order to achieve
Are these questions part of a quiz? If so, you have several options. I would recommend reviewing the documentation for creating a quiz. This page includes video lessons that illustrate the steps involved.
If you are referring to questions within a survey, you can assign reporting values that would assign different values to each response. However, these values are designed primarily for response analysis, not respondent feedback. There are no standard functions that will let you add up reporting values to generate a final score, so if you goal is to provide a final score then the QUIZ option is your best alternative..