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Question 12 Marks
Sir Jamshedji Tata chose to set up his iron and steel plant in Jamshedpur for several reasons. Firstly, the area had abundant natural resources such as iron ore, coal, and water, which were essential for the production of steel. Additionally, the location was strategic for transportation, being close to the coal and iron fields and having access to the Grand Trunk Road and the Bengal-Nagpur railway. Furthermore, the area had a relatively low population density, making it suitable for establishing a large industrial complex without displacing a large number of people.
(a) State the role of this industry in development of country.
(b) Though very large investments done in iron and steel industry, it generates little employment. Explain.
Answer
(a) The Iron and Steel Industry provides for industrial infrastructure and for regional development. It also provides a greater scope for regional development and also provision of employment.
(b) Though very large investments done in iron and steel industry, it generates little employment. Explain. Because it's a heavy industry where maximum work is done with the help of machines.
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Question 22 Marks
"It is believed that the doubling of India's GDP from the current $3.7 trillion to $7 trillion by 2030 will be led by growth in the digital sector and trade. In both these areas, electronics manufacturing led by mobile production will play a critical role", said Pankaj Mohindroo, chairman, ICEA.
-The Economic Times
(a) Why is there need to develop the electronic industry?
(b) Explain with an example, how does electronic industry contribute to GDP?
Answer
(a) Not only it leads to the increase in GDP, but this industry plays important role in development of infrastructure, space and technology, defence, finance, entertainment etc, which are a part of day to day life.
(b) Space technology develop due to this industry and by launching satellites of other nations, India earns a huge foreign exchange.
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Question 32 Marks
Write about the location and special feature of Vizag Steel Plant.
Answer
Vizag Steel Plant is the country's first shore based plant located in city Vizag in Andhra Pradesh. It is a modern plant that produces superior quality steel for domestic as well as International market.
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Question 42 Marks
What advantage does Vizag Steel Plant have with reference to its location?
Answer
(i) Being a port city, Vishakhapatnam has an access to South-East Asian countries & US.
(ii) Vishakhapatnam has the largest shipyard in India. Therefore, it fetches iron & steel from Vizag steel plant for making the Ships.
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Question 52 Marks
Where does Vizag steel plant obtain its limestone?
Answer
Limestone is brought from Andhra Pradesh & Birmitrapur in Odisha.
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Question 62 Marks
Where does Vizag steel plant obtain its iron ore and coal?
Answer
(i) Iron ore is obtained from Bailadila mines in Chhattisgarh.
(ii) Coking coal is obtained from Pookkii & Bhalore in Jharkhand & is also imported from Australia.
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Question 72 Marks
Give the location of the Bhilai Steel Plant? With which country's help it was started?
Answer
(i) It is Located in Durg district of Chhattisgarh. It is the biggest Integrated Steel Plant in India.
(ii) It was established in 1957 with the help of USSR.
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Question 82 Marks
From where does Bhilai Steel Plant obtain its manganese and water for the industry?
Answer
(i) Nandini (22km) provide limestone and Balghat manganese.
(ii) Tendula canal provide water.
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Question 92 Marks
From where does Bhilai steel plant obtain iron ore and coal?
Answer
(i) Durg and Baster provide iron ore from 80 km.
(ii) Coal is obtained from nearby Korba, Bokaro and Jharia fields.
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Question 102 Marks
Explain the terms (i) pig iron, (ii) Sponge iron.
Answer
(i) Pig iron is crude iron that is obtained from a smelting furnace, in the form of oblong blocks.
(ii) Sponge iron: Sponge Iron is that is produced from Hematite Iron ore by removing the oxygen by direct reduction process using reducing agents like carbon monoxide. It is then converted to steel in electric arc furnace.
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Question 112 Marks
What are the products of TATA Steel Plant?
Answer
(i) Pig iron, soft iron, cast iron, plates, wires, flat steel, etc.
(ii) Locomotive parts, machinery, agricultural equipments, etc.
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Question 122 Marks
Name the factors that affect the location of petrochemical industry.
Answer
(i) Presence of Petroleum Refinery: The by-product of oil refineries are the raw materials for this industry. Hence this industry is located near oil refineries to reduce the cost and risk of transport.
(ii) Presence of Port facility plays important role in import of raw material and export of finished products. Major petrochemical industries are located on the western coastal region.
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Question 132 Marks
Explain the importance of electronic industry in trade and timetable.
Answer
(i) Trade: The online shopping help us to compare prices and select the best one. This leads to decreased prices even in local market and thus the consumer is benefitted.
(ii) Timetable: Railway, aeroplane, exam timetables are made and regulated by the computers.
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Question 142 Marks
Explain the role of electronic industry in space research of India.
Answer
(i) Indian Space Research Organization (ISRO) is located at Bengaluru, Karnataka. Bangalore (Bangaluru) is the IT capital of India.
(ii) Satellite Launching Station at Sriharikotta and Thumba is benefitted by this technology.
(iii) National Remote Sensing Agency(NRSA) at Hyderabad acquires information about remote objects through various sensors like satellites.
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Question 152 Marks
Explain the role/importance of electronics with any two example.
Answer
(i) The communication in audio, video and text form has become fastest and very easy and cheap due to mobiles, laptops, tablets, etc. which has helped in developing good relationship, carry-out trade and business and many other works with ease.
(ii) Use of mobiles and computers have made banking transactions at the tip of finger and one can access the accounts 24x7, pay online money, transfer money all over the world with ease. And saves our time, energy and give us mental peace.
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Question 162 Marks
State the advantages of Rourkela steel plant.
Answer
(i) It prepares heavy steel plates, sheets, strips needed for wagons, boilers, railway coaches, and shipbuilding
(ii) Uses latest technology.
(iii) Manufactures special steel for vehicles related to ISRO and armour plates for Vijayanta Tanks.
(iv) Rourkela steel plant supplies pipes for Mathura oil refinery and special Steel for ISRO space vehicles.
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Question 172 Marks
Explain the importance of Electronics in the field of (i) banking. (ii) Defence.
Answer
(i) Banking has become very easy due to online transactions, 24×7 availability of transactions, sending money abroad has become very easy and fast.
(ii) Defence: Most sophisticated missiles, laser guns, aeroplanes, RADAR system has brought extreme change in traditional warfare and has made country more powerful.
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Question 182 Marks
Explain the importance of Electronics in the field of (i) Space Technology (ii) Education.
Answer
(i) Electronics provide super computers needed for complicated space related calculations and models needed for the space exploration.
(ii) Education: It helps in online education, making animation related to topic to make the understanding easy.
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Question 192 Marks
What are integrated steel plants?
Answer
(i) Steel plants where smelting, coke making, rolling, casting and various structural steels are done in a single unit is called an Integrated Steel Plant.
(ii) Here right from obtaining the raw material to convert it into the final product is done together.
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Question 202 Marks
Mention any two centres of the petrochemical industry in India.
(ii) List two important products of this industry.
Answer
(i) Different centres of the petrochemical industry in India are Cochin, Vadodara, Mumbai, Haldia, States include Maharashtra, Tamil Nadu and Assam.
(ii) The products are plastics, drugs, naphtha, petroleum, menthol, synthetic fibres, LPG and kerosene.
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Question 212 Marks
(i) State any two advantages of Petrochemicals.
(ii) Name any two Petrochemical products.
Answer
(i)
(a) They are used as basic material in many industries such as rubber, cosmetics, pharmaceutical, etc.
(b) Used in manufacturing synthetic fibres which is cheap, durable and more attractive.
(ii) Two petrochemical products are Petrol, Diesel, naphtha, paraffin, plastic, etc.
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Question 222 Marks
Name four large-scale industries dependent on iron and steel industry.
Answer
(i) Automobile Industry - Scooter, motorcycles, cars, trucks, buses, etc.
(ii) Defence industry: Armaments and weapons, naval ships, Shipbuilding Industry
(iii) Machines, tools, light and heavy engineering industry and
(iv) Agricultural tools like Tractors, combine harvesters, pumps, etc
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Question 232 Marks
Name two Iron and Steel projects with foreign collaborators. Name both the steel projects and the corresponding collaborators.
Answer
The two Iron and Steel projects with foreign collaborators are:
(i) Bhilai Steel Plant - foreign collaborator is Soviet Union (now Russia)
(ii) Rourkela Steel Plant - foreign collaborator is Germany.
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Question 242 Marks
What are the disadvantages of integrated steel plant?
Answer
Disadvantages: (i) Period of gestation is very huge. (ii) They need huge capital. (iii) They cause much pollution.(iv) They are located in the raw material producing zone so other areas are not benefitted much.
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Question 252 Marks
What are the advantages of integrated steel plant?
Answer
Advantages:
(i) They provide heavy iron and steel for all types of industries.
(ii) They provide huge employment.
(iii) They are present in raw material producing area.
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Question 262 Marks
What are the disadvantages of mini steel plant?
Answer
Disadvantages:
(i) Need regular supply of electricity.
(ii) Cannot manufacture heavy iron and steel needed by huge factories.
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Question 272 Marks
What are the advantages of mini steel plant?
Answer
Advantages: (i) They need less investment. (ii) They do not cause pollution as they work on electric furnace.(iii) They provide to local demands of iron and steel. (iv) They use scrap iron which is easily available and it gets recycled too and thus helps in conserving resources.
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Question 282 Marks
From where does the Rourkela Iron and Steel Industry obtain manganese, and water supply?
Answer
(i) Manganese is obtained from Noamundi.
(ii) Water is supplied by a dam across the River Sankh.
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Question 292 Marks
From where does the Rourkela Iron and Steel Industry obtain limestone, dolomite and power supply?
Answer
(i) Hydel power is secured from Hirakud Power Project.
(ii) Limestone and Dolomite are brought from Birmitrapur.
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Question 302 Marks
From where does the Rourkela Iron and Steel Industry obtain iron ore and coal?
Answer
(i) Iron ore is obtained from Bonaigarh, Mayurbhanj and Keonjhar.
(ii) Coal is obtained from Raniganj, Korba and Jharia.
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Question 312 Marks
From where does the TATA Iron and Steel Industry obtain limestone, dolomite and man power?
Answer
(i) Limestone and Dolomite are obtained from Gangpur (Odisha) and Singhbhum (Jharkhand)
(ii) Manganese is brought from Noamundi (Jharkhand)
(iii) Cheap labour is available from Odisha, West Bengal and Bihar which are all densely populated area.
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Question 322 Marks
From where does the TATA Iron and Steel Industry obtain coal and power supply?
Answer
(i) Cheap hydroelectric power is supplied by Damodar Valley Project.
(ii) Coal is obtained from nearby Jharia.
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Question 332 Marks
From where does the TATA Iron and Steel Industry obtain iron and water?
Answer
(i) Iron ore is obtained from Singhbhum (Jharkhand) and Mayurbhanj and Bonai (Odisha).
(ii) Plentiful of water is available from rivers Kharkai and Subarnarekha.
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Question 342 Marks
What are the various raw materials used for iron and steel industry and state their uses.
Answer
(i) Coal: For smelting iron ore and removing impurities.
(ii) Limestone and dolomite: To remove impurities.
(iii) Iron ore: To obtain iron and steel
(iv) Manganese, nickel, tungsten: To make iron rust free and convert it into steel.
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Question 352 Marks
What are mineral based industries? Give two examples.
Answer
(i) The industries which obtain their raw material from the minerals are termed as mineral based industries.
(ii) In India, iron and steel, electronics and petrochemical industries are major mineral based industries.
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[2 Mark Question Answer] - Geography STD 10 Questions - Vidyadip