AHSEC| CLASS 11| ECONOMICS| QUESTION PAPER - 2023| H.S. 1ST YEAR
2023
ECONOMICS
Full Marks: 100
Pass Marks: 30
Time: 3 hours
The figures in the margin indicate
full marks for the questions
PART
- A
(Introductory
Microeconomics)
1. Answer the following as directed: 1x6=6
(a) Define the term 'scarcity'.
(b) Opportunity cost is also known as __________cost. (Fill in
the blank)
(c) What is budget line?
(d) Define variable cost.
(e) TC = ________ + TFC. (Fill in the blank)
(f) Why is the AC curve 'U' shaped?
2. Answer the following questions:
2x6=12
(a) Distinguish between microeconomics and macro-economics. 2
Or
What are the central problems of an economy?
(b) Write two determinants of individual demand. 2
Or
What is inferior good? Give one example. 1+1=2
(c) Define the following: 1+1=2
(i) Total product
(ii) Marginal product
Or
Briefly explain the concepts of short run and long run. 1+1=2
(d) Distinguish between fixed cost and variable cost. 2
Or
Draw a long-run marginal cost curve and long-run average cost curve.
1+1=2
(e) What is the relationship between AR and MR? 2
Or
Prove that for a firm, price = average revenue.
(f) Write two factors that affect the market supply of a commodity.
2
Or
If the percentage change in quantity supplied is 10 and percentage
change in price is 4, calculate price elasticity of supply.
3. Explain the law of diminishing marginal
utility with the help of schedule and diagram. 4
Or
Define price elasticity of demand. Mention any three factors
influencing price elasticity of demand of a commodity. 1+3=4
4. What is meant by returns to a factor?
State the three phases of the law of variable proportions. 1+3=4
Or
From the data given below, calculate (a) marginal cost and (b)
average cost: 2+2=4
|
Output |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
|
Total cost |
10 |
20 |
28 |
34 |
38 |
42 |
48 |
56 |
5. Mention four features of perfect
competition. 4
Or
Distinguish monopoly market and monopolistic market.
6. Distinguish between price ceiling and
price floor. 4
Or
Mention the effects of the following on the supply of a commodity:
2+2=4
(a)
Fall in the price of factors
(b)
Rise in the per unit tax
7. How does imposition of per unit tax
affect supply curve of a firm? 4
Or
The demand and supply functions of a firm under perfectly
competitive market are given below:
D
= 5 - 2p
S
= -25 + 3p
Where,
P = Price, D = Quantity Demanded and S = Quantity Supplied.
Find
the equilibrium price and quantity. 2+2=4
8. What is consumer equilibrium? Explain
the conditions of consumer equilibrium with teh help of schedule and diagram.
Or
Discuss how the market demand curve is derived from individual
demand curves. 6
9. "Under perfect competition,
industry is price maker and firm is the price taker." Explain.
Or
With the help of a suitable diagram, explain the process of
determination of equilibrium price of commodity under perfectly competitive
market.
PART
- B
(Statistics
for Economics)
10. Answer the following as directed:
1=6=6
(a) Who is known as the father of statistics?
(b) What do you mean by wholesale price index?
(c) Write one merit of direct personal investigation.
(d) Which of the following is a measure of central tendency?
(i) Arithmetic mean
(ii) Median
(iii) Mode
(iv) All of the above (Choose the correct option)
(e) _______is the difference between the largest value and the
smallest value. (Fill in the blank)
(f) What is Lorenz curve?
11. Answer the following questions:
2x6=12
(a) Define the term 'statistics' in plural and singular sense. 2
Or
Write two importance of statistics in economics.
(b) Write two characteristics of statistics. 2
Or
Mention any two limitations of statistics.
(c) Calculate range and coefficient of range from the following
data: 2
8, 12, 18, 22, 13, 20
Or
Write two demerits of range.
(d) Mention two merits of median. 2
Or
Write the formula of calculating median in continuous frequency
distribution.
(e) State two demerits of standard deviation.
Or
Mention four alternative methods for calculation of standard
deviation in discrete series.
(f) What is scatter diagram? Write one merit of scatter diagram.
1+1=2
Or
What is arithmetic line graph? Mention one of its uses. 1+1=2
12. Write four main parts of a good table.
4
Or
Define sampling errors. Mention its main types. 1+3=4
13. What is diagrammatic presentation? How
is it useful in economic analysis? 1+3=4
Or
Draw a histogram and polygon from the following table: 2+2=4
|
Marks obtained |
10-20 |
20-30 |
30-40 |
40-50 |
50-60 |
60-70 |
|
No. of students |
10 |
12 |
16 |
20 |
18 |
9 |
14. Define arithmetic mean. Discuss its
properties. 1+3=4
Or
Calculate quartile deviation from the following table: 4
|
X |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
|
Y |
30 |
38 |
50 |
22 |
40 |
25 |
60 |
15. What is dispersion? Discuss the
characteristics of a good measure of dispersion. 1+3=4
Or
Distinguish between absolute and relative measure of dispersion. 4
16. What are essentials of a good measure
of central tendency? 4
Or
Define correlation. Discuss its main types.
17. What do you mean by primary data?
Explain the different methods of collecting primary data. 1+5=6
Or
Define classification. Describe briefly its main objectives. 1+5=6
18. Explain the meaning and importance of
index numbers. 2+4=6
Or
Calculate the mean median and mode from the following frequency
distribution: 2+2+2=6
|
Class interval |
20-25 |
25-30 |
30-35 |
35-40 |
40-45 |
45-50 |
50-55 |
55-60 |
|
Frequency |
7 |
9 |
11 |
28 |
30 |
22 |
7 |
5 |
***
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