Answer:
1.)An industry is a group of companies that are related based on their primary business activities.
2.) there are four types of industries on the basis of size they are:
1. large scale industries,
2.small scale industries, 3.medium industries
4.cottage industries.
3).the different types of industries based on ownership are:
1. private sector,
2.public sector,
3.joint sector
4.co operative sector.
4)two examples of Private sector industry are:apple,designers