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Published on: 06/11/2020
12th Standard Economics Consumption and Investment Functions English Medium Free Online Test One Mark Questions 2020 - 2021
Download Tamil Nadu 12th Standard Economics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Economics Test

1.
Match the correct codes
| 1 | The motive of enterprise | i | desire to do forward trading |
| 2 | The motive of pride | ii | desire to bequeath a fortune |
| 3 | The motive of avarice | iii | purely miserly instinct |
| 4 | The motive of financial independence |
iv | Economic Freedom |
(1) – (i) (2) – (ii) (3) – (iv) (4) – (iii)
(1) – (ii) (2) – (iii) (3) – (iv) (4) – (i)
(1) – (iv) (2) – (iii) (3) – (i) (4) – (ii)
(1) – (i) (2) – (ii) (3) – (iii) (4) – (iv)
2.
The marginal propensity to consume is:
increasing if the marginal propensity to save is increasing
the proportion of total disposable income that the average family consumes
the change in consumer spending divided by the change in aggregate disposable income
the change in consumer spending minus the change in aggregate disposable income
3.
Assertion: The progressive tax system increases the propensity to consume of the people by altering the income distribution in favour of poor.
Reason: When government reduces the tax the disposable income rises and the propensity to consume of community increases.
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
4.
Assertion: J.B. Say propounded the fundamental Psychological Law of Consumption which forms the basis of the consumption function.
Reason: The law implies that there is a tendency on the part of the people to spend on consumption less than the full increment of income.
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
5.
Assertion: The multiplier is directly related to MPC and inversely related to MPS.
Reason: The accelerator principle explains the effect of changing consumption expenditure upon volume of investment.
Both (A) and (R) are true and (R) is the correct explanation of (A)
Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(A) is true, but (R) is false
(A) is false, but (R) is true
6.
Which of the following is correct?
1+ MPS = MPC
1- MPC = MPS
MPC + MPS > 1
MPC + MPS < 1
7.
Keynes considered subjective and objective factors:
Important determinants of consumption
Unimportant determinants of consumption
Determinants of investment
Determinants of business’s willingness to pay
8.
According to Keynes the most important determinant of investment
MEC
Effective demand
Aggregate demand
Rate of interest
9.
Value of MPC is
>1
<1
0
0 ≤ MPC ≥ 1
10.
Autonomous investment is
Income inelastic
Instable
Interest elastic
Income elastic
11.
In a closed economy, the value of multiplier, when MPC is 0.90
25
90
10
9
12.
If there is _______ in the consumer goods industry, the accelerator principle would not work.
Full capacity
unused or excess capacity
No capacity
None
13.
Find the value of K, if MPC is 0.75, MPS is 0.25.
8
4
1
2
14.
What is the nature of the relationship between the national income and induced investment?
positive
negative
zero
infinite
15.
If the Keynesian consumption function is C = 10 + 0.8Y then, if disposable income is Rs 1000, what is amount of total saving?
810
190
0.8
0.81
16.
In an open economy import _______ the value of the multiplier
Reduces
increase
does not change
changes
17.
The multiplier is calculated as
1/(1-MPC)
1/MPS
1/MPC
a and b
18.
When investment is assumed autonomous the slope of the AD schedule is determined by the______.
marginal propensity to invest
disposable income
marginal propensity to consume
average propensity to consume
19.
The sum of the MPC and MPS is________.
1
2
0.1
1.1
20.
If the Keynesian consumption function is C=10+0.8 Y then, if disposable income is Rs 1000, what is amount of total consumption?
₹ 0.8
₹ 800
₹ 810
₹ 0.81
1.
(a)
(1) – (i) (2) – (ii) (3) – (iv) (4) – (iii)
2.
(c)
the change in consumer spending divided by the change in aggregate disposable income
3.
(a)
Both A and R are true and R is the correct explanation of A
4.
(d)
A is false but R is true
5.
(b)
Both (A) and (R) are true, but (R) is not the correct explanation of (A)
6.
(b)
1- MPC = MPS
7.
(b)
Unimportant determinants of consumption
8.
(a)
MEC
9.
(d)
0 ≤ MPC ≥ 1
10.
(a)
Income inelastic
11.
(c)
10
12.
(b)
unused or excess capacity
13.
(b)
4
14.
(a)
positive
15.
(b)
190
16.
(a)
Reduces
17.
(d)
a and b
18.
(c)
marginal propensity to consume
19.
(a)
1
20.
(c)
₹ 810
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