Geography · Class 8 Social Science · Chapter 6

Samacheer Class 8 Social Science - Industries

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Chapter-wise textbook exercise answers for Industries with validation-aware solutions.

Answers marked verified were checked during generation against the chapter context and source question text.
Sections in this chapter
I. Choose the correct answer. 11II. Fill in the blank. 1III. Match the following. 2VI. Write in detail. 1V. Answer briefly. 1
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1I. Choose the correct answer.11 questions
Q.11. Silk weaving and household industries come under the category of ………………….v
  1. A. Small scale industry
  2. B. Large scale industry
  3. C. Marine based industry
  4. D. Capital intensive industry
Answer:

a) Small scale industry

Q.22. On the basis of ownership the industry can be divided into ……………… typesv
  1. A. 2
  2. B. 3
  3. C. 4
  4. D. 5
Answer:

c) 4

Q.33. Amul dairy industry is the best example of ……………….. sector.v
  1. A. Private
  2. B. Public
  3. C. Co-operative sector
  4. D. Joint sector
Answer:

c) Co-operative sector4. Iron and Steel and Cement Industries are examples of ………………….. industries.

Q.45. Tertiary activity is divided into ……………….. typesv
  1. A. 4
  2. B. 3
  3. C. 2
  4. D. 5
Answer:

c) 2

Q.51. Industries are ………………. Economic Activities.v
  1. A. Primary
  2. B. Secondary
  3. C. Tertiary
  4. D. Quaternary
Answer:

b) Secondary2. …………………… is mostly generated from conventional Sources like mineral oil and water. a) Thermal Power b) Water Resources c) Power d) None of these c) Power

Q.63. Service sector contributing around …………………… of the Indian Gross Domestic Product.v
  1. A. 63%
  2. B. 53%
  3. C. 55%
  4. D. 73%
Answer:

b) 53%

Q.74. …………………… is served by different modes of Transport.v
  1. A. Labour
  2. B. Power
  3. C. Topography
  4. D. Climate
Answer:

c) Topography5. The factors affecting the location of Industries are …………………….

Q.86. …………………… Sector is owned and operated by individuals.v
  1. A. Public
  2. B. Private
  3. C. both
  4. D. none
Answer:

b) Private

Q.97. Example for Mineral Based Industries is …………………….v
  1. A. Vegetable oil
  2. B. Machine Tools
  3. C. Cotton industry
  4. D. None of these
Answer:

b) Machine Tools

Q.108. Example for Forest-Based Industries is ……………………v
  1. A. Paper Industry
  2. B. Processed Seafood
  3. C. Cotton Industry
  4. D. None of these
Answer:

a) Paper Industry9. …………………… is a Private Sector Industry.

Q.1110. …………………… is a Joint Sector Industry.v
  1. A. Amul
  2. B. BHEL
  3. C. Bajaj Auto
  4. D. Maruti Udyog
Answer:

d) Maruti Udyog

2II. Fill in the blank.1 question
Q.121. Banking is a ……………. economic activity.v
Answer:

Banking is a tertiary economic activity because it provides services rather than producing goods or extracting raw materials. Tertiary activity is divided into quaternary and quinary categories, which represent higher levels of service and knowledge-based economic activities. Government decision-making processes come under the quinary category of tertiary economic activity, as they involve high-level policy formulation and administration. From a raw material-based perspective, the cotton textile industry is an agro-based industry because it relies on cotton, an agricultural product, as its primary raw material. The capital required for establishing a large-scale industry is more than one crore rupees, reflecting the substantial financial investment needed for modern industrial infrastructure, machinery, and operational costs.

3III. Match the following.2 questions
Q.13Match the following — Column I: 1. Judicial sector; 2. TV telecasts; 3. Geographical factor; 4. Capital; 5. Bajaj Auto. Column II: Quinary activity; Quaternary activity; Raw materials; Non Geographical factor; Private Sector.v
#Correct match
1Quinary activity
2Quaternary activity
3Raw materials
4Non Geographical factor
5Private Sector
Q.141. Primary economic activity 2. Secondary economic activity 3. Tertiary economic activity 4. Quaternary economic activity 5. Quinary economic activity e) televisionv
  1. A. transportation
  2. B. Science and technology
  3. C. Forestry
  4. D. flour into bread
Answer:

Economic activities are classified into five main categories based on their nature and function. Primary economic activity includes forestry, which involves the extraction and harvesting of natural resources from the earth. Secondary economic activity involves the transformation of raw materials into finished products, such as converting flour into bread through manufacturing processes. Tertiary economic activity includes transportation and other service sectors that facilitate the distribution and exchange of goods and services. Quaternary economic activity involves information technology and advanced services, exemplified by television and media production, which require specialised knowledge and technology. Quinary economic activity encompasses science and technology, research and development, and high-level decision-making processes that drive innovation and advancement in society.

4VI. Write in detail.1 question
Q.151. Classify and explain the industries based on the source of raw materials.v
Answer:

Industries are classified on various bases in the following ways. On the basis of raw materials.
1. Agro Based Industries:
These industries use plant and animal-based products as their raw materials.
Example; Food Processing, Vegetable Oil, Cotton Textile, Dairy Products, etc.
2. Mineral-Based Industries:
These are the industries that use mineral ores as their raw materials.
Iron made from iron ore is the product of a mineral-based industry. Cement, Machine Tools, etc. are the other examples of mineral-based industries.
3. Marine Based Industries:
These industries use products from the sea and oceans as raw materials.
Example; Processed Sea Food, Fish Oil manufacturing units, etc.
4. Forest-Based Industries:
These industries use forest products as raw materials.
Example; Pulp and Paper, Furniture and Some Pharmaceuticals industries, etc.2. Explain the Geographical factors which affect the location of industries?
The geographical factors which affect the location of industries
Raw material:
Materials cannot be transported for long distances, so industries are located near the raw material availability.
Power:
Power is the basic for the industry so it’s generated from conventional sources which should be located near the industries.
Labour:
Availability of cheap and skilled labour is more important.
Transport:
Availability of easy transportation always influences the industry location.
Storage and warehousing:
Finished products should be stored at a suitable storage or warehouse till the goods are taken to the market.
Topography:
The selected site should be flat; which is supported by different transport
Climate:
Extreme climate condition is not suitable for successful industrial growth. Water Resources:
Many industries are established near rivers, canals, and lakes for proper functioning.
3. Classify the industries through a flow chart.

5V. Answer briefly.1 question
Q.161. What is Primary economic activity?v
Answer:

The activities which have been originated in the very beginning.2. What do you know about the service sector?
It is one of the largest sectors of India and its the backbone of the Indian economy.
3. What are the non-geographical factors responsible for the location of industries?
Capital, Availability of Loans, Government policies or regulation.
4. How are industries classified on the basis of raw materials.
Agro-based industries,
Mineral-based industries,
Marine – based industries and
Forest-based industries.
5. Give a short note on forest-based industries.
The industries which use forest products as their raw materials.
6. How does climate become a factor responsible for a location for industries?
Extreme Climatic condition is not suitable for the successful industrial growth few industries require specific climate.
7. What is co-operative sector industries.
Industries of this kind are owned and operated by the producers or suppliers of raw materials of workers or both.