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28 questions · timed · auto-graded

Question 13 Marks
What advantages a mini steel plant have over integrated steel plant?
Answer
(i) They are present all over India and supply iron and steel to local market at cheap rate and on time.
(ii) They use scrap iron and thus play important role in waste management and conservation of natural resources.
(iii) Work in them is done in electric furnace thus, they cause less pollution than burning coal.
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Question 23 Marks
In what way, iron and steel industry have become the backbone of modern industrialization?
Answer
(i) Every industry machines are basically made using iron and steel. Thus, if there is no iron and steel, there won't be other industries.
(ii) Transport vehicles such as trucks, railways, and others which play important role in development of industries, are made up of iron and steel.
(iii) Railway track, engines, ship, bridges, etc. are made up of iron and steel.
(iv) Agricultural equipments such as tractor, mattock too are made up of iron. Agriculture contributes immensely to national income due to inputs from this industry.
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Question 33 Marks
Give two advantages of setting up mini steel plant.
Answer
The advantages of setting mini steel plants are as follows:
(i) They use scrap iron available in the country or at times imported at a cheap rate.
(ii) They do not need heavy capital investment.
(iii) They make special steels and are located in industrial towns thereby reducing the transport cost.
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Question 43 Marks
Mention any three problem faced by the iron and steel industry in India.
Answer
Problems related to Iron and Steel industry are
(i) Iron ore concentrated in Chotanagpur region only and thus it is concentrated at only a few places.
(ii) Transporting finished materials in the entire country is very costly.
(iii) Need very high capital investment but produce less employment.
(iv) It cause much water, and air pollution.
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Question 53 Marks
With reference to the iron and steel plant located at Jamshedpur(Tatanagar), answer the following questions:
(i) From where does the plant get its iron ore?
(ii) Which river provides water to the township?
(iii) Name the states that provide its labour force.
Answer
(i) Iron and steel plant of Jamshedpur gets its iron ore from the districts of Singhbhum, Mayurbhanj, and Bonai
in Odisha.
(ii) It gets water from the river Subarnarekha.
(iii) Bihar, West Bengal and Uttar Pradesh supply labour force.
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Question 63 Marks
Explain the importance of petrochemical products.
Answer
(i) Petrochemicals are used in cosmetics, pharmaceuticals and many chemical industries.
(ii) Petrochemical like Plastics, Detergents, Synthetic rubber and Synthetic fibre have wide range of uses.
(iii) Plastic is widely used today as it is durable, attractive, light in weight and cheap.
(iv) Polythene, PVC, Polystyrene, Synthetic rubber are different types of plastics.
(v) Synthetic fibres like nylon, dacron, terylene are cheaper and stronger than cotton, silk and wool.
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Question 73 Marks
Explain the importance of industries.
Answer
(i) It generates employment.
(ii) It results into the economic development of the country.
(iii) It transforms an underdeveloped or developing country into developed country.
(iv) It causes improvement of standard of living.
(v) We can obtain the finished goods within the nation at the cheap rate due to industrialization.
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Question 83 Marks
Differentiate between Rourkela Steel and TATA Steel Plant.
Answer
Rourkela Steel PlantTATA Steel Plant
(i)It is located at Rourkela in Odisha.It is located at Tatanagar in Jharkhand.
(ii)It is in public sector.It is in private sector.
(iii)It is more advanced and started with German collaboration.It's private entity and comparatively less modern than Rourkela steel plant.
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Question 93 Marks
Differentiate between Synthetic fibre and Natural fibre
Answer
Synthetic fibreNatural fibre
(i)It's obtained from petrochemicals.It's obtained from cotton, jute, wool, silk, etc,
(ii)It's durable and cheap.It's costlier and less durable than synthetic one.
(iii)Its production does not fluctuate as it does not depend on agriculture.Its production fluctuates as it depends on agriculture.
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Question 103 Marks
Differentiate between Mini Steel Plant Integrated Steel Plant.
Answer
Mini Steel PlantIntegrated Steel Plant
(i)Use scrap iron as a raw material.Use Iron-ore obtained from mines.
(ii)Does not have a large number of operational units.Possesses a large number of operational units.
(iii)They cater only local market.They cater international as well as domestic market.
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Question 113 Marks
We Should not encourage the use of petrochemicals.
Answer
We should not encourage the use of petrochemicals because they are non-biodegradable and cause immense biological damage.
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Question 123 Marks
Petrochemical industries are located on the coastal region.
Answer
Closeness of this industry to the coastal regions is due to the following reasons:
(i) Raw material is easily available.
(ii) Transporting costs are lower.
(iii) Final product is easily exported to foreign countries.
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Question 133 Marks
IT industry has flourished in Bangalore/Hyderabad/Pune.
Answer
Due to the following reasons, it has flourished.
(i) Readily available world class IT infrastructure.
(ii) Quality research & development institutions.
(iii) Centre for International conferences and Workshops.
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Question 143 Marks
Bangalore is termed as Silicon Valley of India.
Answer
(i) Bangalore is an important software and hardware manufacturer.
(ii) It hosts many international companies like Apple, Dell, HP, etc.
(iii) It is alo a centre for providing large number of skilled labour.
(iv) Therefore, it is rightly called as Information & Technology capital of India. That is why Bangalore is termed as Silicon Valley of India.
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Question 153 Marks
What is coking coal?
Answer
(i) Coking coal, differs from thermal coal because of its carbon content and caking ability, which refers to the coal's ability to be converted into coke.
(ii) Non-coking coal cannot cake and has a higher ash content.
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Question 163 Marks
Iron is converted into steel.
Answer
(i) Iron gets easily rusted and loses its strength.
(ii) Tungsten, Nickel and Manganese are added to iron to convert into steel which is more attractive, make steel tough and prevent it from getting rusted.
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Question 173 Marks
Petrochemical products are replacing traditional raw materials.
Answer
(i) They are cost-effective.
(ii) Their prices are more stable as raw material are available at steady pace as they don't depend on climate.
(iii) They are more attractive, durable and easily replaceable.
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Question 183 Marks
The mini Iron and Steel Plants are concentrated in the north-eastern part of Deccan plateau.
Answer
(i) Mini Iron and Steel Plants need scrap iron which is easily available here.
(ii) Besides this, market, power supply, water supply, cheap labour, cheap transport, other raw materials are easily available here.
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Question 193 Marks
Major Iron and Steel industries are concentrated in the Chota Nagpur region.
Answer
(i) This industry is concentrated in the Chhota Nagpur region because of easy availability of its three basic raw materials coal, iron ore, limestone, and manganese.
(ii) The water and electricity are available from many rivers and dams constructed across major rivers.
(iii) These are the basic ingredients for the iron and steel industry.
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Question 203 Marks
Iron and Steel Industry is termed as the basic industry or key industry.
Answer
The largest mineral-based industry in India is Iron and Steel Industry. It is called a basic or a key to other industries because many other industries depend on this.
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Question 213 Marks
Mineral based industries can manufacture more items than agro based industries.
Answer
(i) Agro based industries depend upon raw material from agriculture and there is fluctuation in the production due to climatic conditions which cannot be controlled by us.
(ii) Mineral based industries do not depend on climate.
(iii) Agro based industries can manufacture limited variety of products whereas mineral based industries can manufacture wide range of products.
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Question 223 Marks
Petrochemical products are versatile. Explain.
Answer
(i) Petrochemical products are very useful and we can make extremely large number of products from them.
(ii) They include synthetic rubber, plastic, synthetic fibre, pharmaceuticals, wax, paints, explosives, fuels, etc.
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Question 233 Marks
Demand for the electronic goods have increased.
Answer
(i) Electronic products are very useful in agriculture, medical, defence, education, commercial, banking and many other fields.
(ii) These products like mobile phones, computers, TV, etc are very popular and affordable.
(iii) That is why the demand for the electronic goods have increased.
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Question 243 Marks
Indian steel is in great demand in the world.
Answer
(i) Government has also made lot of investment in this industry.
(ii) Many of these were started with foreign aid with latest technology. Thus Indian steel is good and has great demand.
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Question 253 Marks
India is a large producer of iron and steel.
Answer
(i) India ranks number seven in deposits of iron ore and fifth in deposits of coal, the two main ingredients for iron and steel industry.
(ii) Moreover, there is great demand for these products. As this is the basic industry.
(iii) Hence India produces them on a large scale and fulfil demand of the world by exporting them.
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Question 263 Marks
Iron and steel industries are located in the coal producing areas.
Answer
(i) During the extraction of iron from its ore, almost all coal is consumed.
(ii) Moreover the amount of coal needed for the process is extremely high.
That is why to reduce the cost of transport, these industries are located in coal producing areas. eg. TISCO is located close to Jharia coalfield.
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Question 273 Marks
Most of the refineries are located on the coastal areas.
Answer
(i) India mainly imports petroleum by sea routes.
(ii) To avoid the cost and the risk of transport these are located on the coastal areas.
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Question 283 Marks
Demand for articles of petrochemicals have increased.
Answer
(i) These products are cheap, durable, versatile and attractive.
(ii) They can be manufactured on large scale as they do not depend upon climatic factors. That is why demand for articles of petrochemicals have increased.
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[3 Mark Question Answer] - Geography STD 10 Questions - Vidyadip