James participated in a problem-solving quiz competition with his friends. As Mark was the most familiar with the types of problems on the quiz, the team's performance depended entirely on Mark's performance. This type of task is called a (n) :

Answer: Disjunctive Task

Explanation:

Disjunctive Task is defined as the resolution of any problem or group task by a group staff. In this situation, when one person in the group is the one with the ability to solve the task, the group places their expectations on the member who is capable of solving the task.

In James' case, he's in a competition where Mark is most familiar with the kind of problems the quiz is having, so the other members depend on Mark for resolution.