A country specialises in a narrow range of agricultural exports. Which is the greatest risk?
It becomes impossible to exchange goods
Its primary sector must disappear
All workers must move into the tertiary sector
A fall in world demand may seriously reduce national income
28 exam-style questions on OCR GCSE Economics 2.1 The role of markets, covering 2.1.1 What is a market, 2.1.2 Primary, secondary and tertiary sectors, 2.1.3 Factor and product markets, and 2.1.4 Specialisation and exchange. Each one has a worked solution and a mark scheme showing where the marks go.