Is the question biased? OA. No, because it does not lead the respondent to any particular answer. B. No, because it influences the respondent into thinking that eating vegetables is good for you. OC. Yes, because it influences the respondent into thinking that eating vegetables is good for you. A better question would be "Do you think that eating vegetables is good for you?" OD. Yes, because it does not lead the respondent to any particular answer. A better question would be "Why is eating vegetables good for you?"