State any four main features of cottage industries.

Or 

Explain the basic characteristics of cottage industries.

Classify industries based on the sources of raw materials.

Distinguish between agro-based industry and forest-based industry.

"A number of geographical, economic and cultural factors combine to decide the location of industries." Explain any three factors which influence industrial locations.

Or

What are the factors that affect the location of industries?

Differentiate between the public sector and private sector industries.