Departments are established on the basis of ________ in functional organisation.
Activities
Explanation: Functional organisations have been divided to place the experts in the top position all through the organisation. This is an association wherein we can characterise it as a framework where functional departments are made to manage the issues of business at different levels. Authority in these departments stays inbound to a useful direction to various divisions. This aids in keeping up with the quality and consistency of execution of various capacities all through the organisation.
Hence, option (d) is correct.