Theory of Demand MCQ — Class 11

Test your understanding of Theory of Demand with 20 free questions across Easy and Moderate. Hard and Extreme require Premium. Choose a level in the interactive quiz to answer questions and review explanations.

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Read Theory of Demand notes

T.R. Jain & V.K. Ohri — Introductory Microeconomics, Class XI (2020-21 reference edition); filtered to the CBSE 2026–27 Introductory Microeconomics scope

Key concepts to revise

Demand

Demand: the quantity of a commodity a consumer is willing and able to buy at a given price during a given period

Demand schedule

Demand schedule: a table showing quantities demanded at different possible prices

Market demand

Market demand: the total quantity demanded by all consumers in the market at a given price

Demand curve

Demand curve: a graphical representation of the relationship between price and quantity demanded

Law of demand

Law of demand: other things remaining constant, quantity demanded generally varies inversely with own price

Extension of demand

Extension of demand: an increase in quantity demanded caused solely by a fall in the commodity’s own price

Contraction of demand

Contraction of demand: a decrease in quantity demanded caused solely by a rise in the commodity’s own price

Increase in demand

Increase in demand: a rightward shift of the demand curve caused by a favourable non-price determinant

Substitute goods

Substitute goods: goods for which a rise in the price of one tends to increase demand for the other

Complementary goods

Complementary goods: goods used together so a rise in the price of one tends to reduce demand for the other

Try these sample MCQs

1. Which concept best matches this situation? At ₹20 a buyer both wants and can afford 3 units this week.

  1. Demand schedule
  2. Demand
  3. Demand curve
  4. Contraction of demand
Check answer and explanation

Demand. Demand: the quantity of a commodity a consumer is willing and able to buy at a given price during a given period

2. Which concept best matches this situation? A table lists price ₹10, ₹20 and ₹30 with corresponding quantities.

  1. Market demand
  2. Law of demand
  3. Demand schedule
  4. Increase in demand
Check answer and explanation

Demand schedule. Demand schedule: a table showing quantities demanded at different possible prices

3. Which concept best matches this situation? Demand of A, B and C is added horizontally at each price.

  1. Demand curve
  2. Extension of demand
  3. Substitute goods
  4. Market demand
Check answer and explanation

Market demand. Market demand: the total quantity demanded by all consumers in the market at a given price

After the quiz

Write down the concepts you missed. Explain each one in your own words, give an example, and attempt the level again without notes. A high score on a short quiz does not replace revision of the whole chapter.

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