Functional departmentalization: a. groups activities to respond to specific customers. b. groups and arranges activities around products or product groups. c. groups together jobs involving the same or similar activities. d. structures activities on the basis of defined geographic sites or areas.

c. groups together jobs involving the same or similar activities.

Explanation:

Functional departmentalisation is the grouping of departments based on their respective functions. For example we can have a production department, sales department, accounting department, and so on.

It also involves bringing together experts in similar fields, resulting in easier communication as the teams understand themselves and work efficiently to achieve departmental goals.