Put all types of questions. Any physicist makes his own decisions on every theory?

1. Does any physicist make his own decisions on every theory?

2. Any physicist makes his own decisions on every theory, doesn't he?

3. Does any physicist or does any biologist make his own decisions on every theory?

4. Who makes his own decisions on every theory?

5. What does any physicist do?

6. What decisions does any physicist do on every theory?