Explore topic-wise MCQs in 12th.

This section includes 373 Mcqs, each offering curated multiple-choice questions to sharpen your 12th knowledge and support exam preparation. Choose a topic below to get started.

1.

Supposethe short run cost function can be written as TC=250 + 10Q. Average fixed cost equals

A. 50/Q
B. 50
C. 0
D. 50/Q + 10
Answer» B. 50
2.

The total area under the demand curve of good measures

A. arginal utility
B. otal utility
C. onsumers surplus
D. roducer surplus
Answer» C. onsumers surplus
3.

The slope of indifference curve indicates

A. rice ratio between two commodities
B. arginal rate of substitution
C. actor substitution
D. evel of indifference
Answer» C. actor substitution
4.

Identify the factor which generally keeps the price-elasticity of demand for a good high.

A. ts very high price
B. ts very low price
C. arge number of substitutes
D. one of the above
Answer» D. one of the above
5.

If the goods are complementary like car and petrol, their cross elasticity is

A. egative
B. ositive
C. ero
D. nfinite
Answer» B. ositive
6.

The other name of Budget line is

A. emand line
B. rice line
C. upply line
D. one of the above
Answer» C. upply line
7.

The LAC curve

A. alls when the LMC curve falls
B. ises when the LMC curve rises
C. oes through the lowest point of the LMC curve
D. alls when LMCLAC
Answer» E.
8.

At shut down point

A. rice is equal to AVC
B. otal revenue is equal to TVC
C. otal loss of the firm is equal to TFC
D. ll of the above
Answer» E.
9.

Quantity demanded is a

A. low concept
B. tock concept
C. oth 'a' and 'b'
D. one of the above
Answer» B. tock concept
10.

Which of the following is not the name of LAC curve?

A. lanning curve
B. nveloping curve
C. ound curve
D. one of the above
Answer» D. one of the above
11.

The shape of PPC is concave due to

A. alling opportunity cost between two goods
B. ising opportunity cost between two goods
C. onstant opportunity cost between two goods
D. one of the above
Answer» C. onstant opportunity cost between two goods
12.

In imperfect competition

A. xcess capacity always exists
B. xcess capacity never exists
C. xcess capacity may or may not exist
D. one of the above
Answer» B. xcess capacity never exists
13.

A monopolist is able to maximize his profits when

A. is output is maximum
B. e charges high price
C. is average cost is minimum
D. is marginal cost is equal to marginal revenue
Answer» E.
14.

In perfect competition, in the long run, there will be

A. ormal profits
B. uper normal profits
C. ess production
D. ost will be falling
Answer» B. uper normal profits
15.

MC curve cuts ______ curves at their minimum points

A. VC and AC
B. FC and AVC
C. C and AFC
D. ll of the above
Answer» B. FC and AVC
16.

If marginal opportunity cost is falling, the PPF would be

A. traight line
B. oncave
C. ackward leading
D. onvex
Answer» E.
17.

In the long run, normal profits are included in the _____ curve

A. AC
B. MC
C. FC
D. AC
Answer» B. MC
18.

When two goods are perfect substitutes of each other, then

A. RS is falling
B. RS is rising
C. RS is constant
D. one of the above
Answer» D. one of the above
19.

Calculate income elasticity for the household when the income of a household rises by 10% and the demand for Rice rises by 5%.

A. 0.5
B. 0.5
C. 2
Answer» C. 2
20.

Which of the following is a cause of an economic problem?

A. carcity of resources
B. lternative uses
C. nlimited wants
D. ll of the above
Answer» E.
21.

Which of the following is not a feature of perfect competition?

A. arge number of buyers and sellers
B. mall number of buyers and sellers
C. ree entry and exit
D. oods is homogeneous
Answer» C. ree entry and exit
22.

A firm under perfect competition will be making minimum losses (in the short run) at a point where

A. C>MR
B. R>MC
C. C=MR
D. C=AR
Answer» D. C=AR
23.

Positive income elasticity implies that as income rises, demand for the commodity

A. ises
B. alls
C. emains unchanged
D. ecomes Zero
Answer» B. alls
24.

In long run equilibrium, the pure monopolist can make pure profits because of

A. locked entry
B. he high price he charges
C. he low LAC costs
D. dvertising
Answer» B. he high price he charges
25.

In perfect competition, the firm's _____ above AVC has the identical shape of the firm's supply curve

A. arginal revenue curve
B. arginal cost curve
C. verage cost curve
D. one of the above
Answer» C. verage cost curve
26.

Lesser production of ____ would lead to lesser production in future.

A. ublic goods
B. onsumer goods
C. apital goods
D. gricultural goods
Answer» D. gricultural goods
27.

If income elasticity for a good is 2, then it is a

A. ecessity item
B. nferior good
C. uxury item
D. omfortable item
Answer» D. omfortable item
28.

All of the following are determinants of demand except

A. astes and preferences
B. uantity supplied
C. ncome
D. rice of related goods
Answer» C. ncome
29.

If the demand for a good is inelastic, an increase in the price of the good will cause the total expenditure of the consumers of the good to

A. emain the same
B. ncrease
C. ecrease
D. ny of the above
Answer» C. ecrease
30.

Rational decision making requires that

A. ne's choices be arrived at logically and without errors
B. ne's choices be consistent with one's goals
C. ne's choices never vary
D. ne makes choices that do not involve trade offs
Answer» C. ne's choices never vary
31.

The various combination of goods that can be producedin any economy when it uses its available resources and technology efficiency are depicted by

A. emand curve
B. roduction curve
C. upply curve
D. roduction possibility curve
Answer» E.
32.

Agricultural goods market depicts characteristics close to

A. erfect competition
B. ligopoly
C. onopoly
D. onopolistic competition
Answer» B. ligopoly
33.

The kinked demand curve model of oligopoly assumes that

A. esponse to a price increase is less than the response to a price decrease
B. esponse to a price increase is more than the response to a price decrease
C. lassticity of demand is constant regardless of whether price increases or decreases
D. lasticity of demand is perfectly elastic if price increases and perfectly inelastic if price decreases
Answer» B. esponse to a price increase is more than the response to a price decrease
34.

The second glass of lemonade gives lesser satisfaction to a thirsty biy, this is a clear case of

A. aw of demand
B. aw of diminishing returns
C. aw of diminishing marginal utility
D. aw of supply
Answer» D. aw of supply
35.

The producer is in equilibrium at a point where the cost line is

A. bove the isoquant
B. elow the isoquant
C. utting the isoquant
D. angent to isoquant
Answer» E.
36.

In economics, what a consumer is ready to pay minus what he actually pays, is termed as

A. onsumer's equilibrium
B. onsumer's surplus
C. onsumer's expenditure
D. one of the above
Answer» C. onsumer's expenditure
37.

Under which market structure, average revenue of a firm is equal to its marginal revenue

A. ligopoly
B. onopoly
C. erfect competition
D. onopolistic competition
Answer» D. onopolistic competition
38.

Demand for final consumption arises in

A. ousehold sector only
B. overnment sector only
C. oth household and government sector
D. either household nor government sector
Answer» D. either household nor government sector
39.

An isoquant slopes

A. ownward to the left
B. ownward to the right
C. pward to the right
D. pward to the left
Answer» C. pward to the right
40.

The law of consumer surplus is based on

A. ndifference curve analysis
B. evealed preference theory
C. aw of substitution
D. he law of diminishing marginal utility
Answer» E.
41.

If there are implicit costs of production

A. conomic profit will be equal to accounting profit
B. conomic profit will be less than accounting profit
C. conomic profits will be zero
D. conomic profit will be more than accounting profit.
Answer» C. conomic profits will be zero
42.

Economics is the study of

A. ow society manages its unlimited resources
B. ow to reduce our wants until we are satisfied
C. ow society manages its scarce resources
D. ow to fully satisfy our unlimited wants
Answer» D. ow to fully satisfy our unlimited wants
43.

A market structure in which many firms sell products that are similar but not identical is known as

A. onopolistic competition
B. onopoly
C. erfect competition
D. ligopoly
Answer» B. onopoly
44.

In the long run, any firm will eventually leave the industry if

A. rice does not at least cover average total cost
B. rice does not equal marginal cost
C. conomies of sale are being reaped
D. rice is greater than long run average cost
Answer» B. rice does not equal marginal cost
45.

A necessity is defined as a good having

A. positive income elasticity of demand
B. negative income elasticity of demand
C. n income elasticity of demand between zero and 1
D. n income elasticity of more than 1
Answer» D. n income elasticity of more than 1
46.

A competitive firm maximizes profit at the output level where

A. rice equals marginal cost
B. he slope of the firm's profit function is equal to zero
C. arginal revenue equals marginal cost
D. ll of the above
Answer» E.
47.

Giffen goods are those goods

A. or which demand increases as price increases
B. hat have a high income elasticity of demand
C. hat are in short supply
D. one of the above
Answer» B. hat have a high income elasticity of demand
48.

The MC curve cuts the AVC and ATC curves at

A. he falling part of each
B. ifferent points
C. heir respective minimas
D. he rising part of each
Answer» D. he rising part of each
49.

If two goods were perfect substitutes of each other, it necessarily follows that

A. n indifference curve relating the two goods will be curvilinear
B. n indifference curve relating the two goods will be linear
C. n indifference curve relating the two goods will be divided into two segments which meet at a right angle
D. n indifference curve relating the two goods will be convex to the origin
Answer» C. n indifference curve relating the two goods will be divided into two segments which meet at a right angle
50.

If the price of Pepsi decreases relative to the price of Coke and 7-Up, the demand for

A. oke will rise
B. -Up will decrease
C. oke and 7-Up will increase
D. oke and 7-Up will decrease
Answer» E.