Class 10 Geography Chapter 6 Manufacturing Industries
NCERT Notes For Class 10 Geography Chapter 6 Manufacturing Industries, in this step-by-step answer guide. In some of State Boards and CBSE schools, students are taught thru NCERT books. As the chapter comes to an end, students are requested few questions in an exercising to evaluate their expertise of the chapter. Students regularly want guidance managing those NCERT Notes.
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NCERT Notes For Class 10 Geography Chapter 6 Manufacturing Industries
Class 10 Geography Chapter 6 Manufacturing Industries
Importance of Manufacturing
The manufacturing sector is considered the backbone of development due to the following reasons:
- Manufacturing industries help in modernising agriculture as it provides jobs in secondary and tertiary sectors.
- It helps in the eradication of unemployment and poverty.
- Export of manufactured goods expands trade and commerce, and brings in much needed foreign exchange.
- It helps in prospering the country by giving a boost to the economy.
Contribution of Industry to National Economy
The trend of growth rate in manufacturing over the last decade has been around 7 per cent per annum.
Industrial locations are influenced by the availability of:
- Raw material
- Government policies
Manufacturing activity tends to locate at the most appropriate place where all the factors of industrial location are either available or can be arranged at a lower cost. The figure below shows the industry market linkage.
- Cotton, jute, silk, woollen textiles, sugar and edible oil, etc. industries are based on agricultural raw materials. Let’s know about each of them, one by one.
- It is the only industry in India, which is self-reliant and complete in the value chain i.e., from raw material to the highest value added products.
- It contributes to industrial production, employment generation and foreign exchange earnings.
- This industry has close links with agriculture and provides a living to farmers, cotton boll pluckers and workers engaged in ginning, spinning, weaving, dyeing, designing, packaging, tailoring and sewing.
- It supports many other industries, such as, chemicals and dyes, packaging materials and engineering works.
- India is the largest producer of raw jute and jute goods. Most of the mills are located in West Bengal, mainly along the banks of the Hugli river.
- India stands second as a world producer of sugar but occupies the first place in the production of Gur and Khandsari. This industry is seasonal in nature.
- Industries that use minerals and metals as raw materials are called mineral-based industries. Let’s discuss some industries that fall under this category.
Iron and Steel Industry
- Iron and steel is the basic industry as all the other industries – heavy, medium and light, depend on it for their machinery.
- lt is considered as a heavy industry because all the raw materials, as well as finished goods, are heavy and bulky entailing heavy transportation costs.
India is an important iron and steel producing country in the world yet, we are not able to perform to our full potential largely due to:
- High costs and limited availability of coking coal
- Lower productivity of labour
- Irregular supply of energy
- Poor infrastructure.
- Aluminium Smelting is the second most important metallurgical industry in India. It is used to manufacture aircraft, utensils and wires. Bauxite is the raw material used in the smelters.
- Aluminium Smelting has gained popularity as a substitute for steel, copper, zinc and lead in a number of industries.
It exhibits the following properties:
- Light in weight
- Resistant to corrosion
- A good conductor of heat
- Becomes strong when it is mixed with other metals
- The Chemical industry comprises both large and small scale manufacturing units. Rapid growth has been recorded in both inorganic and organic sectors.
- Inorganic chemicals include sulphuric acid nitric acid, alkalies, soda ash and caustic soda.
- Organic chemicals include petrochemicals, which are used for manufacturing synthetic fibers, synthetic rubber, plastics, dye-stuffs, drugs and pharmaceuticals.
- The fertilizer industries are centred around the production of nitrogenous fertilizers (mainly urea), phosphatic fertilizers and ammonium phosphate (DAP) and complex fertilizers which have a combination of nitrogen (N), phosphate (P), and potash (K).
- Gujarat, Tamil Nadu, Uttar Pradesh, Punjab and Kerala contribute towards half of the fertilizer production.
- Cement is essential for construction activity such as building houses, factories, bridges, roads, airports, dams and for other commercial establishments.
- This industry requires bulky and heavy raw materials like limestone, silica and gypsum.
- This industry deals with the manufacturing of trucks, buses, cars, motorcycles, scooters, three-wheelers and multi-utility vehicles.
- These industries are located around Delhi, Gurugram, Mumbai, Pune, Chennai, Kolkata, Lucknow, Indore, Hyderabad, Jamshedpur and Bengaluru.
Information Technology and Electronics Industry
- The electronics industry covers a wide range of products from transistor sets to television, telephones, cellular telecom, telephone exchange, radars, computers and many other equipment required by the telecommunication industry.
- This industry has generated employment in India. Bengaluru is known as the electronic capital of India.
Industrial Pollution and Environmental Degradation
Industries are responsible for 4 types of pollution:
- Air pollution is caused by the presence of a high proportion of undesirable gases, such as sulphur dioxide and carbon monoxide.
- Smoke is emitted by chemical and paper factories, brick kilns, refineries and smelting plants, and burning of fossil fuels leads to air pollution.
- It adversely affects human health, animals, plants, buildings and the atmosphere as a whole.
- Water pollution is caused by organic and inorganic industrial wastes and effluents discharged into rivers.
- The industries which are mainly responsible for water pollution are paper, pulp, chemical, textile and dyeing, petroleum refineries, tanneries and electroplating industries.
- Thermal pollution of water occurs when hot water from factories and thermal plants is drained into rivers and ponds before cooling.
- Noise pollution is the propagation of noise with harmful impact on the activity of human or animal life.
- It results in irritation, anger, cause hearing impairment, increased heart rate and blood pressure.
Control of Environmental Degradation
Here are some ways through which industrial pollution can be reduced:
- Minimising the use of water by reusing and recycling it.
- Harvesting rainwater to meet water requirements.
- Treating hot water and effluents before releasing them in rivers and ponds.
- Particulate matter in the air can be reduced by fitting smoke stacks to factories with electrostatic precipitators, fabric filters, scrubbers and inertial separators.
- Smoke can be reduced by using oil or gas instead of coal in factories.
- Machinery can be redesigned to increase energy efficiency and reduce noise.
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