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98+ Free Exame Nacional de Introdução à Economia (12.ª Classe) Practice Questions

Prepare for the Angola 12th Grade National Examination — Introduction to Economics (Exame Nacional de Introdução à Economia da 12.ª Classe) exam with instant access — no signup required.

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2026 Statistics

Key Facts: Exame Nacional de Introdução à Economia (12.ª Classe) Exam

98

English-language MCQ study adaptations in this bank

OpenExamPrep reviewed bank

15 top-level items

Top-level structure of the published 2026 official paper

INADE published paper

120 + 30

Official minutes plus tolerance

Decreto Executivo 81/26

0–200 → 0–20

Official scoring conversion

Decreto Executivo 81/26

Official paper: 15 top-level items, 120 minutes plus 30 minutes tolerance, scored 0–200 and converted to 0–20. Practice bank: 98 English-language MCQ study adaptations aligned to the published scope, not an official format simulation.

Sample Exame Nacional de Introdução à Economia (12.ª Classe) Practice Questions

Try these sample questions to test your Exame Nacional de Introdução à Economia (12.ª Classe) exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 98+ question experience with AI tutoring.

1What is the fundamental economic problem that forms the core object of study in economic science?
A.The scarcity of productive resources relative to unlimited human wants and needs
B.The total elimination of unemployment through mandatory state employment programs
C.The exclusive regulation of international trade balances and foreign exchange reserves
D.The mechanical distribution of equal monetary income to all households in a society
Explanation: Economics is fundamentally the social science that studies how scarce productive resources (land, labor, capital, enterprise) are allocated to satisfy unlimited and evolving human needs. Because resources are finite while wants are infinite, societies must make continuous choices regarding what, how, and for whom to produce.
2In the economic classification of human needs, how are primary (vital) needs distinguished from secondary (cultural/social) needs?
A.Primary needs are essential for biological survival (food, water, basic shelter), whereas secondary needs relate to social living, education, and cultural development
B.Primary needs can only be satisfied by public goods provided by the State, whereas secondary needs are satisfied exclusively by private markets
C.Primary needs are completely unlimited in scope, whereas secondary needs disappear permanently once satisfied once
D.Primary needs require financial capital to be fulfilled, whereas secondary needs require only natural resources
Explanation: Human needs are categorized by degree of indispensability: primary (or vital) needs are strictly necessary for biological survival (basic nutrition, potable water, essential clothing, and shelter), while secondary (or civilization/cultural) needs enhance social well-being, intellectual development, and quality of life (transport, formal education, recreation).
3Which of the following pairs correctly illustrates the distinction between an economic good and a free good?
A.A bottled mineral water container (scarce, requires human labor and has a price) versus atmospheric air in open nature (abundant, zero price, requires no economic effort)
B.A public highway with no tolls (free good) versus a private hospital consultation (economic good)
C.A commercial bank loan (free good) versus a treasury bill issued by the central bank (economic good)
D.Agricultural fertilizer imported under a subsidy (free good) versus domestic crude oil (economic good)
Explanation: Free goods exist in natural abundance without requiring economic effort or cost to obtain (such as ambient air or sunlight) and carry no monetary price. In contrast, economic goods are scarce relative to demand, require the allocation of labor and resources to produce, and command a positive opportunity cost and market price.
4In the national accounts system and the circular flow of income, what is the primary economic function of the institutional sector 'Households' (Famílias)?
A.Final consumption of goods and services and the supply of productive factors (especially labor) to enterprises
B.The production of non-financial commercial goods and services exclusively for profit maximization
C.The centralized emission of legal tender currency and regulation of national interest rates
D.The collection of compulsory fiscal revenue to redistribute national income through public subsidies
Explanation: In national accounting, the institutional sector of Households (Famílias) has the dual fundamental role of acting as final consumers of goods and services and acting as the primary owners and suppliers of productive factors (labor, land, and household capital) to enterprises and the State in exchange for factor income (wages, rents, dividends).
5In the macroeconomic circular flow diagram between Households and Non-Financial Enterprises, how do the 'Real Flow' and 'Monetary Flow' interact?
A.The real flow transfers factor services (labor) to firms and finished goods to households, while the monetary flow counter-balances this with factor payments (wages) and consumption expenditures
B.The real flow consists entirely of bank loans and credit cards, while the monetary flow consists of raw physical machinery
C.Both real and monetary flows travel in the exact same physical direction from households to commercial banks without returning
D.The monetary flow represents only international foreign aid, while the real flow represents domestic tax obligations
Explanation: The circular flow model demonstrates economic interdependence: the Real Flow comprises physical goods, services, and factor inputs moving from households to firms (labor/capital) and from firms to households (finished products). In direct counterpoint, the Monetary (Financial) Flow represents the corresponding monetary payments: consumer expenditure from households to firms, and factor remuneration (wages, rent, profit) from firms to households.
6What is the economic definition of 'Opportunity Cost' (Custo de Oportunidade)?
A.The value of the best alternative sacrificed or forgone when an economic decision is made
B.The total accounting sum of all direct financial cash expenditures incurred during a transaction
C.The depreciation value of physical fixed assets recorded at historical purchase prices
D.The statutory tax rate imposed on luxury goods by the national revenue administration
Explanation: Opportunity cost reflects the fundamental reality of scarcity: because choosing one course of action precludes another, the opportunity cost is the value or benefit of the next best alternative that is given up. In economic decision-making, it encompasses both explicit cash outlays and implicit forgone earnings.
7An agricultural enterprise in Huambo operates along a linear Production Possibility Frontier (PPF). With its available land and labor, it can produce either 500 tonnes of maize and 0 tonnes of beans, or 0 tonnes of maize and 250 tonnes of beans. What is the opportunity cost of producing 1 additional tonne of beans?
A.2.0 tonnes of maize
B.0.5 tonnes of maize
C.250 tonnes of maize
D.1.0 tonne of maize
Explanation: Along a linear PPF, the opportunity cost is constant and calculated as the sacrifice of good A divided by the gain in good B: Opportunity Cost of 1 tonne of Beans = Δ Maize / Δ Beans = 500 / 250 = 2.0 tonnes of maize sacrificed for every additional tonne of beans produced.
8Why is the standard Production Possibility Frontier (FPP) typically concave (bowed outward) with respect to the origin?
A.Because productive resources are specialized and not perfectly adaptable to the production of all goods, leading to increasing opportunity costs
B.Because technological progress is legally prohibited from benefiting more than one industrial sector simultaneously
C.Because consumer demand decreases as more units of a good are produced according to the law of demand
D.Because the total supply of physical currency in the banking system is held strictly constant
Explanation: The bowed-outward (concave) shape of the PPF reflects the Law of Increasing Opportunity Costs. Factors of production (land, machinery, specialized labor) are not perfectly interchangeable across different production lines. As an economy shifts more resources into one good, it must employ progressively less suitable resources, increasing the marginal sacrifice of the other good.
9On an economy's Production Possibility Frontier (PPF), how are a point inside the curve, a point on the curve, and a point outside the curve interpreted?
A.Inside: productive inefficiency or underutilization of resources; On the curve: full productive efficiency; Outside: unattainable given current resources and technology
B.Inside: maximum possible economic growth; On the curve: high structural inflation; Outside: severe economic recession
C.Inside: unattainable production targets; On the curve: monopolistic exploitation; Outside: optimal social equilibrium
D.Inside: trade surplus; On the curve: budget deficit; Outside: balanced international payments
Explanation: Points along the PPF represent productive efficiency, where all available resources are fully and optimally employed. Points inside the frontier indicate productive inefficiency, such as unemployed labor or idle industrial capacity. Points outside the curve are physically unattainable in the short run with existing technology and factor endowments, though they can be reached over time through economic growth or international trade.
10In classical and neoclassical economic theory, what are the four fundamental factors of production (fatores de produção)?
A.Land (natural resources), Labor, Capital, and Entrepreneurship (organization/initiative)
B.Currency, Gold reserves, Commercial credit, and Fiscal taxation
C.Raw materials, Advertising, Bank deposits, and Import tariffs
D.Consumer demand, Inflation, Foreign exchange rates, and Public debt
Explanation: The four fundamental factors of production are: Land/Natural Resources (all gifts of nature including arable soil, minerals, oil, and water), Labor (human physical and mental effort), Capital (manufactured goods used to produce other goods, such as tools, machines, and factories), and Entrepreneurship/Enterprise (the managerial capacity to combine the other factors and bear business risk).

About the Exame Nacional de Introdução à Economia (12.ª Classe) Exam

This is the INADE 12th-grade national examination in Introduction to Economics (Introdução à Economia), code 132, for eligible students following the Angolan curriculum. The official assessment is an in-person written paper combining selection, interpretation, calculation, and constructed-response items and uses Portuguese. This page provides an English-language MCQ study adaptation only; official names and target-language material integral to language skills are preserved.

Assessment

INADE administers the 12th-grade Introduction to Economics (Introdução à Economia) paper (code 132) under the 2025/2026 national-exam regulation. The official Information-Prova and published paper define the scope reflected below. The assessment is an in-person written paper combining selection, interpretation, calculation, and constructed-response items; its official language setting is Portuguese.

Time Limit

120 minutes (+30 minutes tolerance)

Passing Score

The paper is scored from 0 to 200 points and converted to the 0–20 scale. Decreto Executivo 81/26 assigns weighting and progression rules to separate learning-assessment regulations and does not publish a standalone 10/20 pass mark for this paper.

Exam Fee

No separate candidate exam fee is published in the official 2025/2026 INADE national-exam materials. (Instituto Nacional de Avaliação e de Desenvolvimento da Educação (INADE), Ministério da Educação (MED), Angola)

Exame Nacional de Introdução à Economia (12.ª Classe) Exam Content Outline

Published scope

Basic economic concepts

Scarcity, choice, opportunity cost, needs, goods, production, exchange, and economic agents.

Published scope

Markets and economic organization

Demand, supply, prices, costs, market structures, and forms of organizing economic activity.

Published scope

The State and the economy

Public policy, taxation, expenditure, regulation, stabilization, and distribution.

Published scope

Money and financial institutions

Money, banking, credit, central-bank functions, inflation, and financial intermediation.

Published scope

Development

Growth, development indicators, structural change, inequality, sustainability, and development challenges.

How to Pass the Exame Nacional de Introdução à Economia (12.ª Classe) Exam

What You Need to Know

  • Passing score: The paper is scored from 0 to 200 points and converted to the 0–20 scale. Decreto Executivo 81/26 assigns weighting and progression rules to separate learning-assessment regulations and does not publish a standalone 10/20 pass mark for this paper.
  • Assessment: INADE administers the 12th-grade Introduction to Economics (Introdução à Economia) paper (code 132) under the 2025/2026 national-exam regulation. The official Information-Prova and published paper define the scope reflected below. The assessment is an in-person written paper combining selection, interpretation, calculation, and constructed-response items; its official language setting is Portuguese.
  • Time limit: 120 minutes (+30 minutes tolerance)
  • Exam fee: No separate candidate exam fee is published in the official 2025/2026 INADE national-exam materials.

Keys to Passing

  • Work through all 98 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Exame Nacional de Introdução à Economia (12.ª Classe) Study Tips from Top Performers

1Use the official Information-Prova to organize review around: Basic economic concepts; Markets and economic organization; The State and the economy; Money and financial institutions; Development.
2Work through the published official paper and its classification criteria to practise the real response types and required working.
3Use this MCQ bank for concept checks, then practise explanations, calculations, source analysis, or extended writing in the official assessment language.

Frequently Asked Questions

What is the official format?

INADE publishes 15 top-level items for the 2026 paper. It is an in-person written paper combining selection, interpretation, calculation, and constructed-response items, not a 100-question MCQ test.

How long is the official paper?

The regulation sets 120 minutes plus 30 minutes tolerance for 12th-grade national papers.

How is it scored?

The official paper totals 200 raw points, converted to the 0–20 scale. The current exam regulation refers weighting and progression to separate learning-assessment rules.

Who is eligible?

Eligible 12th-grade students following the Angolan curriculum must be registered in PGDEN and meet the admission conditions in Decreto Executivo 81/26, including the attendance and discipline requirements.

Does this bank reproduce the official exam?

No. These 98 questions are English-language MCQ study adaptations. They are not an official translation, do not reproduce the official item mix, and do not substitute for written-response practice.