_____ organisation is also called as military organization.

Explanation:

Line organization:

• Line organization is the basic framework for the whole organization.
• It represents a direct vertical relationship through which authority flows.
• In line organization authority flows from the top to the lower levels and responsibility flows upwards.
• Line organization is also known as military organization.

Line and staff organization:

• Line and staff organization is more suitable to a large business organization as compared to the line organization due to the requirement of expert and updated information for taking important decisions.
• Line managers utilize the advice of staff specialists in the case of line and staff organization. Therefore, line and staff organization work out to be better than a line organization. 

Functional Organisation:

• In a functional organization, all the activities in the business enterprise are grouped together according to certain functions like production, marketing, finance, and personnel.
• Each function is put under the charge of an entire specialist.
• Each functional head performs a specialized function for the entire organization.
• This structure was designed by F.W.Taylor.