21. Which of the following industries is involved in the extraction of natural resources?
a) Manufacturing industry
b) Primary industry
c) Tertiary industry
d) Service industry
22. Which industry is known for converting raw materials into finished goods on a large scale?
a) Manufacturing industry
b) Primary industry
c) Tertiary industry
d) Service industry
23. The software industry falls under which category of industry?
a) Manufacturing industry
b) Primary industry
c) Tertiary industry
d) Service industry
24. Which industry is involved in the provision of services rather than tangible goods?
a) Manufacturing industry
b) Primary industry
c) Tertiary industry
d) Service industry
25. Which of the following is an example of a heavy industry?
a) Automobile manufacturing
b) Retail industry
c) Hospitality industry
d) Advertising industry
