Explanation:

- The statement discusses how management principles help understand the link between human and material resources to achieve goals.

- Let's break down the options:

- Option 1: Cause and effect relationships

This means management principles show how certain actions (cause) lead to particular results (effect).

- Option 2: Optimum utilisation of resources and effective administration

This feature states that management principles guide managers to use both human and material resources efficiently and run the organization smoothly.

- This is a ? Correct Answer

- Option 3: Formed by practice and experimentation

This emphasizes how these principles are developed through real-world application and testing.

- Option 4: Mainly behavioural

This is about management principles dealing mostly with human behavior, but the statement discusses the use of all resources, not just people.