Step 1: Understanding the Concept:
This question requires identifying the correct definition/description of Fayol's management principles.
Step 2: Detailed Explanation:
1. Obedience to organisational rules (A): This is the essence of Discipline. It requires respect for agreements and authority. Match: (A)-(III).
2. One boss for every employee (B): This is the literal definition of Unity of Command. Match: (B)-(IV).
3. One head and one plan (C): This ensures coordination for activities having same objective, known as Unity of Direction. Match: (C)-(I).
4. Just and equitable pay (D): This relates to the fair compensation of labor, known as Remuneration. Match: (D)-(II).
Step 3: Final Answer:
The matching pairs result in the sequence (A)-(III), (B)-(IV), (C)-(I), (D)-(II), which is Option (D).