Goyal Brothers Prakashan solutions for इकॉनॉमिक्स [अंग्रेजी] कक्षा १० आईसीएसई chapter 2 - Elementary Theory of Demand [Latest edition]

______ means a wish to have a commodity or source.

Which of the following statement is not true?

Any statement about demand for a good is considered complete only when the following is/are mentioned in it:

Which of the following is not a determinant of demand?

The demand curve is generally ______.

Following is not the assumption of law of demand:

If due to fall in the price of good X, demand for Y rises, the two goods are ______.

What kind of a commodity will have inverse relation between income and demand?

With an increase in income, the consumption of which good, the consumer reduces ______.

If with the rise in price of good Y, demand for good X rises, the two goods are:

What does a downward movement along the same demand curve indicate?

What does an upward movement along the same demand curve indicate?

When the demand curve of a product shifts to the right, it represents a situation of ______.

An increase in the price of electricity will cause the demand for electric appliances to ______.

When at a price of ₹ 5 per unit of a commodity, A’s demand is for 11 units, B’s demand is for 14 units and C’s demand is for 8 units (assuming that there are only three consumers in the market), the market demand is ______.

A fall in income of the consumer (in the case of normal goods) will cause a/an ______.

Demand curve of a good shifts from DD' to Demand dd'. This shift can be caused by:

The diagram given below shows the original demand curve (DD) for good X, which is a complement of good Y:
If there is a rise in the price of good Y, which demand curve for good X is relevant?

The diagram shows the demand for shoes:
Which of the following would cause a movement from B to A?

In the following diagram, the demand curve is upward sloping. Under what kind of goods is it possible?

Identify the correct statement from the following alternatives:

The market demand curve is a ______ summation of all individual demand curves.

The demand for goods which can be put to several uses is known as ______.

In economics demand and price have ______ relationship.

Car and petrol are examples of ______ demand.

Electricity is an example of ______ demand.

Tea and coffee are examples of ______.

When income increases, the demand for ______ type of good will increase.

Detergent powder and detergent cake are examples of ______.

The wide gap between the rich and poor with reference to income highlights ______ determinant of the market demand.

Which is meant by derived demand?

The demand for ______ goods will increase with the increase in the consumers income.

Milk can be put to several uses; therefore, it is called as a ______ good.

A substitute good is a good:

There is a ______ relationship between demand and price.

The demand for rice by all the people in your area will be called as ______ demand.

Printers and ink cartridge are an example of ______ demand.

Which of the following is a determinant of market demand?

As a result of rise in consumer's income, the demand curve for coarse-grain (inferior good) will:

Which is an assumption to law of demand?

If Coke and Fanta are close substitutes to each other, a rise in price of Coke will lead to ______ for Fanta.

As a result of rise in consumer's income, the demand curve for coarse-grain (inferior good) will:

Identify the factor that affects market demand from the options below:

Examine the given image. What does this image depict?

On the basis of above visual depiction, identify the correct statement from the following.

Amit buys 1 kg of mangoes at 120 per kg. Other things remaining constant, when the price of mangoes falls to 90 per kg, he buys 2 kg of mangoes. Amit’s choice in the given situation shows which concept?

Which of the following are examples of substitute goods?

Goods that can be used in place of one another are ______ goods.

The above image shows a type of demand which has many uses. Identify the type of demand.

Assertion (A): If a fall in price of Good X leads to a rise in demand for Good Y, then X and Y are complementary goods.

Reason (R): Complementary goods (say car & petrol) are used together. A fall in the price of petrol is likely to increase the demand of cars.

Statement (1): Taj Mahal Tea and Tata Tea are examples of substitute goods.

Statement (2): Printer and ink cartridges are examples of complementary goods.

Assertion (A): Demand curve is downward sloping.

Reason (R): Demand curve slopes downwards from left to the right because price and quantity demanded are inversely related.

Statement (1): Normal goods violate the law of demand.

Statement (2): Law of demand is based on the assumption that the commodity is a normal good and has no status value.

Statement (1): There is a rightward shift of demand curve in case of increase in demand.

Statement (2): There is a downward movement along the same demand curve in case of expansion in demand.

Assertion (A): A veblen good is one for which demand increases as the price increases.

Reason (R): Coarse cereals and tonned milk are examples of veblen goods.

Statement (1): A rightward shift of demand curve indicates expansion of demand.

Statement (2): An upward movement along a demand curve indicates decrease in demand.

Explain the term demand.

State two factors affecting the market demand for a commodity.

What do you mean by a normal good?

Give two examples of normal goods.

What are inferior goods?

Distinguish between Normal goods and Inferior goods. 

Explain the following diagram with reference to the concept of Giffen goods.

The demand curve can slope upwards from left to right. Give one argument in support of this statement.

If a buyer buys less of a commodity when his income falls, how will his demand curve change? Illustrate your answer with a diagram.

With help of an example explain the term complementary goods.

With suitable examples differentiate between complementary goods and substitute goods.

Explain briefly anyone determinant of an exceptional demand curve.

Briefly explain any one exception to the law of demand.

If price of X increases, then demand for Y too increases. What is the relationship between goods X and Y? Give an example.

Substitute products A and B are produced by different firms. Give a reason why a change in the price of product A will bring about a change in quantity demanded for product B.

If the quantity demanded of commodity X decreases as the householder's income increases. What type of a commodity is X? Give an example.

State the law of demand.

Give two reasons for the operation of the law of demand.

Explain how income effect is responsible for the negative slope of the demand curve.

What is meant by the income effect of a fall in the prices of a commodity?

What will be the effect on demand for tea, if the price of coffee falls?

What will be the effect on demand for cars, if petrol becomes expensive?

Differentiate between individual demand schedule and market demand schedule.

Using hypothetical data show a market demand schedule.

Mention one exception to the law of demand. Give one point only.

What is an expansion of demand?

What is meant by the contraction in demand?

What is meant by an increase in demand?

What is decrease in demand?

The diagram shows the demand for shoes:
Which of the following would cause a movement from B to A?

Explain the following diagram:

State the impact of the following changes on the demand curve of a commodity:

increase in individual income

State the impact of the following changes on the demand curve of a commodity:

A rise in the price of the commodity

State the impact of the following changes on the demand curve of a commodity:

Increase in the supply of a substitute commodity

State the impact of the following changes on the demand curve of a commodity:

Increase in the price of a complementary commodity

Give two reasons for the shift of the demand curve towards the left.

Mention any two factors that cause a rightward shift of the demand curve.

The bus fare between two cities is reduced. How will this affect the demand curve for bus travel between the two cities?

In order to encourage tourism in Goa, Government of India suggests Indian Airlines to reduce air fares to Goa from four major cities: Chennai, Kolkata, Mumbai and New Delhi. If the Indian Airlines reduces the air fare to Goa, how will this affect the market demand curve for air travel to Goa?

There are train and bus services between New Delhi and Jaipur. Suppose the train fare between the two cities comes down. How will this affect the demand curve for bus travel between the two cities?

Shyam, Sita, Renu, Ahmed and John are five consumers of apples. Their demand for apples is given below. Derive the market demand schedule for apples.

Complete the following demand schedule:

Mention any two examples of composite demand.

‘Mobile phone and laptop are examples of composite demand.’ Justify the statement with a suitable reason.

During recession, economies experience increased unemployment and a reduced level of income. What impact will it have on the demand for new cars?

Define the following concept:

Demand

Explain clearly two factors which determine demand.

Explain the term demand.

With the help of a hypothetical table, draw the demand curve of a commodity.

Define the following concept:

Demand

Explain any three factors that affect the demand for a commodity.

Explain any three determinants or factors affecting demand.

Why are prestige good an exception to the law of demand?

Give the meaning of Cross demand.

Explain any four factors which determine the market demand.

State the law of demand.

Briefly explain any two reasons for the occurrence of the law of demand.

State and explain the law of demand with the help of a hypothetical schedule and graph.

Explain four circumstances under which the law of demand does not operate.

With the help of a hypothetical table, draw the demand curve of a commodity.

How is the market demand curve derived from the individual demand curves?

The following table shows the amount of sugar bought by a household at different prices:

Does the behaviour of household contradict the law of demand? Give reasons in support of your answer.

With the help of a suitable diagram, distinguish between a change in quantity demanded and a change in demand.

With the help of a suitable diagram, distinguish between extension in demand and increase in demand.

Differentiate between decrease in demand and contraction of demand. 

State whether the following statement is true or false. Give reasons.

The commodity for which quantity demanded decreases with an increase in income is called inferior commodity.

State whether the following statement is true or false. Give reasons.

The law of demand states a direct relationship between price and demand.

State whether the following statement is true or false. Give reasons.

An increase in the demand for a commodity is due to a fall in its price.

State whether the following statement is true or false. Give reasons.

A change in quantity demanded as a result of price change will imply a shift of the demand curve to the right.

State whether the following statement is true or false. Give reasons.

Contraction of demand is the result of a decrease in the number of consumers.

Distinguish between “movement along the demand curve” and shift of a demand curve.

State the law of demand.

Briefly explain any three determinants for the negative slope of the demand curve.

Explain the diagram given below.

With the help of a suitable diagram, distinguish between extension in demand and increase in demand.

Distinguish between Normal goods and Inferior goods. 

With the help of suitable diagram explain the meaning of rightward shift in the demand curve. Explain briefly any two of its determinants.

With the help of a graph explain the increase in demand concept.

The following table shows the demand schedule for 3 consumers in a market.

Based on the above hypothetical schedule answer the following questions.

1. What is the demand of Consumer 3 priced at Rs 10 (i)?
2. What is the demand of Consumer 2 priced at Rs 8 (ii)?
3. Calculate the total market demand priced at Rs 4 (iii).
4. From the above given table examine the relationship between price and demand.
5. Mention any one exception to the law of demand.

The following table represents increase in demand, answer the following questions:

Give a diagrammatic representation based on the above data.

Explain any two factors that affect the increase in demand.

Distinguish between:

Increase in demand and Decrease in demand

Define individual demand.

Define an individual demand schedule.

Define market demand.

Define a market demand schedule.

Define the following concept:

Demand

State two factors affecting the market demand for a commodity.

State 2 types of related goods.

Define substitute goods.

Give two examples of substitute goods.

Define complementary goods. 

Give two examples of complementary goods.

What do you mean by a normal good?

What are inferior goods?

Give an example of inferior goods.

What is a demand function?

State the law of demand.

What is an expansion of demand?

What is meant by an increase in demand?

Define contraction of demand (or decrease in quantity demanded).

Define decrease in demand.

What causes an upward movement along a demand curve?

What causes a downward movement along a demand curve?

What does a rightward shift of demand curve indicate?

Mention one exception to the law of demand. Give one point only.

State two circumstances under which the demand curve slopes upwards to the right.

What is a demand schedule?

What is meant by the income effect of a fall in the price of the commodity?

Explain how income effect is responsible for the negative slope of the demand curve.

With the help of a diagram, show how a market demand curve can be obtained from individual demand curves.

Draw a demand curve with the help of a hypothetical individual demand schedule.

Define the following concept:

Demand

Explain any four factors affecting the demand for a commodity.

State the law of demand.

Briefly explain any three determinants for the negative slope of the demand curve.

Why does a demand curve slope downward from left to right?

Briefly explain any three determinants for the negative slope of the demand curve.

Explain four circumstances under which the law of demand does not operate.

Explain four circumstances under which the law of demand does not operate.

Explain the exceptions to the law of demand.

Explain the diagram given below.

With the help of a suitable diagram, distinguish between a change in quantity demanded and a change in demand.

The following table shows a change in the demand. Read the table carefully and answer the question that follows:

What type of change is it, decrease in demand or contraction in demand? Give a reason.

With the help of a suitable diagram, explain expansion in demand.

Explain the following diagram.

Give the meaning of Price demand.

Give the meaning of Income demand.

Give the meaning of Cross demand.

State whether the following statement are true or false. Give reasons.

An increase in income leads to a rise in the demand for normal goods.

State whether the following statement are true or false. Give reasons.

An increase in income leads to a rise in the demand for inferior goods.

Give two reasons for the shift of the demand curve towards the left.

Give two factors responsible for the shift of the demand curve to the right.

State and explain the law of demand with the help of a hypothetical schedule and graph.