Q.Classify economic activities into primary, secondary and tertiary sectors, giving two examples of each.

Economic activities are classified based on whether they draw on natural resources, process raw materials, or provide a service. …

Economic activities are classified into three sectors based on the nature of what is produced:

Primary sector — activities based directly on natural resources. Examples: agriculture (crop cultivation) and fishing (or mining, forestry, animal husbandry).

Secondary sector — activities that transform raw materials into finished or semi-finished goods, also called industry. Examples: manufacturing (e.g., textile or automobile production) and construction.

Tertiary sector — activities that provide a service rather than a physical good, also called services. Examples: banking and transport (or trade, communication, education, health). …

A common mistake is placing mining under the secondary sector because it feels "industrial" — mining is a primary-sector activity since it directly extracts a natural resource without processing it. Similarly, construction is sometimes wrongly placed in tertiary since it doesn't produce a "visible product for sal …