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Building Blocks in Economics :The Problem of Choice — Revision Notes

CBSE · Class 9 · Social Science

Building Blocks in Economics :The Problem of Choice revision notes for CBSE Class 9 Social Science: 4 topics in quick points.

59 questions80 flashcards5 concepts

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Key Topics to Revise

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1. What Economics Deals With

  • Economics comes from the Greek word oikonomia, made from oikos meaning household and nemein meaning management.
  • So, economics refers to household management.
  • The discipline of Economics deals with how choices are made by optimising the use of limited resources to satisfy the needs and wants.
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2. Needs, Wants, and Scarcity

  • Needs are essentials such as food, water, and shelter.
  • Wants are things like gadgets, vacations, and luxury items.
  • Human wants are unlimited and keep changing; for instance, people may want to upgrade from a bicycle to a motorbike and then to a car.
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3. Opportunity Cost and Production Possibility Curve

  • When one alternative is chosen, the other options are given up.
  • The value of what is given up is known as opportunity cost.
  • The opportunity cost of producing sugarcane is the forgone gains from saved water and improved soil health.
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4. Three Key Questions in Economics

  • There are three key questions in economics: what to produce, how to produce, and for whom to produce.
  • What to produce asks which goods and services should be produced and in what quantities.
  • For whom to produce asks who will benefit from the goods and services produced.

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Full Notes

Key Concepts

Needs are essentials such as foodResources are the factors usedWhen one alternative is chosenThe Production Possibility Curve shows differentThe discipline of Economics deals

Frequently Asked Questions

What are the important topics in Building Blocks in Economics :The Problem of Choice for CBSE Class 9 Social Science?
Key topics in Building Blocks in Economics :The Problem of Choice include What Economics Deals With, Needs, Wants, and Scarcity, Opportunity Cost and Production Possibility Curve, Three Key Questions in Economics. Study these first, then practise questions on each for Class 9 exams.
How should I revise Building Blocks in Economics :The Problem of Choice for Class 9 exams?
Learn the core ideas first, then work through the 59 practice questions on Building Blocks in Economics :The Problem of Choice. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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