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Building Blocks in Economics :The Problem of Choice

CBSE · Class 9 · Social Science

Quick revision notes for Building Blocks in Economics :The Problem of Choice — CBSE Class 9 Social Science. Key concepts, formulas, and definitions for last-minute revision.

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?
Building Blocks in Economics :The Problem of Choice covers several key topics that are frequently asked in CBSE Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Building Blocks in Economics :The Problem of Choice — CBSE Class 9 Social Science?
Understand the core concepts first, then work through the 59 practice questions available for this chapter. Revise formulas and 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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