Samacheer Kalvi 9th Social Science – Economics Unit 1 Book Back Answers:
Samacheer Kalvi 9th Standard New Social Science Book Back 1 Mark and 2 Mark Question & Answers PDF uploaded and available below. Class 9 New Syllabus 2021 to 2022 Book Back Question & Answer available for both English and Tamil Mediums. Class 9 Social Economics Book Unit 1 – Understanding Development: Perspectives, Measurement and Sustainability Answers/Solutions are provided on this page. 9th Std Social Science History Book portion consists of 11 units, Geography Book portion consists of 8 units, Civics book portion consists of 6 units, and Economics book portion consists of 5 units, All Social Book Back One, and Two Mark Solutions are given below.
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Samacheer Kalvi 9th Social Science Book Back Solutions PDF:
9th Social Subject 1 Mark and 2 Mark Solutions PDF available below. Click the Download option to download the book back 1 Mark & 2 Mark questions and answers. Take the printout and use it for exam purposes. Samacheer Kalvi 9th Economics Unit 1 Answers are given below.
Economics Book Back Answers
Unit 1 – Understanding Development: Perspectives, Measurement and Sustainability
I. Choose the correct answer.
1. Assertion (A): Development increases the quality of life.
Reason (R): People will have higher incomes, better education, better health and nutrition, less poverty. .
(a) Both (A) and (R) are true and (R) explains (A)
(b) Both (A) and (R) are true and (R) does not explain (A)
(c) (A) is correct and (R) is false
(d) (A) is false and (R) is true
Answer:
(a) Both (A) and (R) are true and (R) explains (A)
2. The term‘Human resources’ refers to ……
(a) investment on poor people
(b) expenditure on agriculture
(c) investment on assests
(d) collective abilities of people
Answer:
(d) collective abilities of people
3. For comparing development between countries, their …… is considered to be one of the
most important attributes.
(a) growth
(b) income
(c) expenditure
(d) savings
Answer:
(b) income
4. ……. is considered a true measure of national income.
(a) GNP
(b) GDP
(c) NNP
(d) NDP
Answer:
(c) NNP
5. The …… income is also called per capita income.
(a) average
(b) total
(c) people
(d) monthly
Answer:
(a) average
6. Which one of the following country is not a G-8 country?
(a) Japan
(b) Canada
(c) Russia
(d) India
Answer:
(d) India
7. Which one of the following country is not a member of SAARC?
(a) India
(b) Pakistan
(c) China
(d) Bhutan
Answer:
(c) China
8. Assertion (A) : The Net Product (NNP) is considered as a true measure of national output.
Reason (R): It is also known as national income.
(a) Both (A) and (R) are true and (R) explains (A)
(b) Both (A) and (R) are true and (R) does not explain (A)
(c) (A) is correct and (R) is false
(d) (A) is false and (R) is true
Answer:
(a) Both (A) and (R) are true and (R) explains (A)
9. Assertion (A): Human resource is necessary for the progress of any country.
Reason (R): Investment in education and health of people can result in a high rate of returns in the future for a country.
(a) Both (A) and (R) are true and (R) explains (A)
(b) Both (A) and (R) are true and (R) does not explain (A)
(c) (A) is correct and (R) is false
(d) (A) is false and (R) is true
Answer:
(a) Both (A) and (R) are true and (R) explains (A)
10. The Human Development Index (HDI) does not take into account the following dimension in its calculation.
(a) Gender
(b) Health
(c) Education
(d) Income
Answer:
(a) Gender
11. Among the following states which state have the literacy rate (2011) higher than national average?
(a) Andhra Pradesh
(b) Uttar Pradesh
(c) Tamil Nadu
(d) None of these
Answer:
(c) Tamil Nadu
12. Sex-ratio means …..
(a) the ratio between adult-male and adult female in a population
(b) the ratio between female and male in a population
(c) the relationship between male of female
(d) the number of females per thousand males
Answer:
(b) the ratio between female and male in a population
13. Inter-generational equality is ensured under the process of
(a) Industrial progress
(b) Economic development
(c) Sustainable development
(d) Economic growth
Answer:
(b) Economic development
14. Find the odd one.
(a) Solar energy
(b) Wind energy
(c) Paper
(d) Natural gas
Answer:
(c) Paper
15. ……….. is the state with highest installed solar capacity in India.
(a) Tamil Nadu
(b) West Bengal
(c) Kerala
(d) Andhra Pradesh
Answer:
(a) Tamil Nadu
16. ……. resources are those which will get exhausted after years of use.
(a) Natural
(b) Renewable
(c) Non-Renewable
(d) New
Answer:
(c) Non-Renewable
17. Thermal plant emits large quantity of ……, which pollutes the environment.
(a) Oxygen
(b) Nitrogen
(c) Carbon
(d) Carbon dioxide
Answer:
(d) Carbon dioxide
II. Fill in the blanks
- Economic progress of any country is known as ………
- The head quarters of HRD Ministry is in ……..
- The state having the highest literacy rate in India is ……….
- Human Development Report of the world prepared and released by …….
- Groundwater is an example of ……. resource.
- The book An Uncertain Glory was written by ……..
Answers:
1. economic development
2. New Delhi
3. Kerala
4. UNDP
5. renewable
6. Prof. Amartya Sen
III. Match the following
Answers:
1. (d): 2. (c): 3. (b): 4. (a)
IV. Give Short answers
1. What do you mean by development?
Answer:
- The word ‘development’ refers to the progress of a particular field (or) a particular person.
- Similarly the economic progress of a country is known as ‘economic development’.
- However, the interpretation of the concept development keeps On changing from time to time, from person to person.
2. What are the indicators of development?
Answer:
The major indicators to measure the level of economic development are Net National Product (NNP), Per Capita Income (PCI), Purchasing Power Parity (PPP) and Human Development
Index (HDI).
3. Why NNP is not considered as an useful measure to compare a country’s development with other countries?
Answer:
- For measuring a country’s development, its income is considered to be one of the most
important factors. - NNP is considered as a true measure of National output.
So NNP is not considered as an useful measure to compare a country’s development with
other countries.
4. Why human resources is considered as the foremost resource of any country?
Answer:
- Human Resource is necessary for the progress of any country.
- The ‘Human Resources’ refers to the collective abilities of people, which can be utilised in the production sector.
So human resource is considered as the foremost resource of any country.
5. Expand the following:
1. PPP
2. HDI
Answer:
1. PPI – Purchasing Power Parity
2. HD – Human Development Index.
6. Expand the following:
1. NNP
2. PCI.
Answer:
1. NNP – Net National Product
2. PCI – Per Capita Income
7. What is‘Solar Power’?
Answer:
Solar power is the conversion of energy from sunlight into electricity either directly using photovoltaic cells (or) indirectly using concentrated solar power.
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