The correct answer is option 1 i.e. Primary and Tertiary respectively.
Economic activities result in the production of goods and services while sectors are the group of economic activities classified on the basis of some criteria like on the basis of ownership, working conditions, and the nature of the activities.
Economic activities are broadly grouped into primary, secondary, tertiary activities.
The primary sector includes:
Agriculture, Mining, Fishing, Forestry, Dairy, etc.
People engaged in primary activities are called red-collar workers.
Secondary sector includes:
Industrial production, cotton fabric, sugar cane production, etc.
People engaged in secondary activities are called blue-collar workers.
Tertiary sector includes:
Goods transported by trucks or trains, banking, insurance, finance, etc.
People involved in this sector jobs are called white-collar jobs.
Sector-wise contribution of GDP in India: Services(54.40%) > Manufacturing(29.73%) > Agriculture(15.87%).