Step 1: Understanding the Concept:
This question maps the characteristics of a "Profession" to real-world examples. For an occupation to be a profession, it must meet criteria such as having a formal body of knowledge, a professional body, an ethical code, and a service motive.
Step 2: Detailed Explanation:
1. Ethical code of conduct (A): Every profession follows a strict set of moral rules. Doctors take the Hippocratic Oath. Thus, (A) matches with (II).
2. Service motive (B): The primary goal is serving the client/society honestly. A lawyer's job is ensuring justice for the client. Thus, (B) matches with (III).
3. Professional association (C): A regulator body is required. For lawyers in India, it is the Bar Council. Thus, (C) matches with (IV).
4. Well-defined body of knowledge (D): This means systematic learning via specialized training. Thus, (D) matches with (I).
Step 3: Final Answer:
Matching the pairs correctly gives (A)-(II), (B)-(III), (C)-(IV), (D)-(I), which is Option (B).