Are you a self motivator?

Yes everyone should be a self motivator. This question needs a very positive answer. He/she just waned to check that whether you will do your best work even without a boss asking you to do so. Give examples of your work here when you motivated yourself to work more or best.
Example Answer: Absolutely. I can always find something productive that needs doing. I am passionate about my work, and truly enjoy working toward the next big deal.