Concept:A service industry provides intangible services to customers rather than manufacturing physical goods.
Explanation:First, classify each option by the nature of its output.
The banking industry offers financial services such as savings accounts, fixed deposits, loans, and money transfers.
These activities create no physical product; they only facilitate financial transactions.
A food processing plant manufactures packaged food items.
A cement factory produces cement, which is a tangible building material.
A pharmaceutical industry manufactures medicines and drugs.
Therefore, all three remaining options produce physical goods.
Banking is the only option that delivers a service.
Answer:A. Banking industry