Answer 1

Quaternary Activities	Quinary Activities
(i) Quaternary activities refer to those activities where the task is to think, research and develop ideas.	(i) Quinary activities involve work related to administration.
(ii) Confined to research, training and education.	(ii) Confined to the highest-level decision taking and policy making.
(iii) Software developers, statisticians, hospital staff, teachers, financial planners tax consultants, people working in theatres, etc., comes under quaternary activities.	(iii) Senior business executives, government officials, scientists, judges, etc., comes under quinary activities.