Manufacturing Industries · Class 10 Geography: 225 MCQs with answers
Showing 200 of 225 multiple-choice questions from this kit.
Warm-up · 53 questions
Q1. A mill takes in sugarcane and sends out sacks of sugar in large quantities. Which term from the chapter best describes this activity?
BeginnerShow answer & explanation
Manufacturing
Processing raw materials into more valuable products in large quantities is manufacturing.
Q2. Workers in steel factories, car plants, breweries and bakeries all belong to which sector, according to the chapter?
BeginnerShow answer & explanation
The secondary sector
They turn primary materials into finished goods.
Q3. A factory making PVC pipes sells most of its output to farmers for irrigation. What does this example illustrate?
BeginnerShow answer & explanation
That industry supplies agriculture as well as depending on it
Agro-industries sell pipes, pumps, fertilisers and tools to farmers.
Q4. Which set lists only agro-based industries?
BeginnerShow answer & explanation
Cotton textile, sugar, edible oil
These use agricultural raw materials.
Q5. Which set lists only mineral-based industries?
BeginnerShow answer & explanation
Iron and steel, cement, petrochemicals
Minerals and metals are their raw materials.
Q6. Which of the following is a consumer industry rather than a basic industry?
BeginnerShow answer & explanation
A toothpaste factory
Toothpaste goes directly to consumers; the others supply raw materials.
Q7. Which pair of industries does the chapter give as examples of the public sector?
BeginnerShow answer & explanation
BHEL and SAIL
TISCO, Bajaj Auto and Dabur are private; Oil India Ltd is joint.
Q8. A shipyard uses huge steel plates and produces vessels weighing thousands of tonnes. On the basis of bulk and weight, which type of industry is it?
BeginnerShow answer & explanation
Heavy industry
Heavy raw materials and heavy finished goods make it a heavy industry.
Q9. In Harish's Diwali market, which item did his father say is made by individual artisans in household industry?
BeginnerShow answer & explanation
Diyas
Shoes, clothes and sugar came from large industries with machines.
Q10. Read the Assertion and Reason and choose the correct option. Assertion (A): Iron and steel is a basic industry. Reason (R): Iron and steel is also classified as a heavy industry on the basis of bulk and weight.
BeginnerShow answer & explanation
Both A and R are true, but R is not the correct explanation of A
Both are true, but being a heavy industry is a separate classification; what makes it a basic industry is that its products feed other industries.
Q11. A farmer's son takes a job in a tractor factory and the family no longer depends only on the harvest. Which benefit of manufacturing does this show?
BeginnerShow answer & explanation
It reduces heavy dependence on agricultural income by providing jobs
Jobs in secondary and tertiary sectors reduce reliance on farm income.
Q12. Which statement about the sugar industry in Maharashtra is supported by this part of the chapter?
BeginnerShow answer & explanation
It is an example of a cooperative sector industry
The chapter cites it, with Kerala's coir industry, as cooperative.
Q13. Which of these is NOT one of the bases of classifying industries described in the chapter?
BeginnerShow answer & explanation
The colour of the finished goods
The five bases are raw material, main role, capital, ownership, and bulk and weight.
Q14. What does the chapter say is the measure of a country's economic strength?
BeginnerShow answer & explanation
The development of its manufacturing industries
The chapter's opening claim.
Q15. What is manufacturing?
BeginnerShow answer & explanation
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Q16. What are basic industries? Give an example.
BeginnerShow answer & explanation
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Q17. A shirt passes from cotton field to shop. In which order does the textile value chain take it through spinning, fibre production, garment manufacture and weaving?
BeginnerShow answer & explanation
Fibre production, spinning, weaving, garment manufacture
Fibre becomes yarn, yarn becomes fabric, fabric becomes garments.
Q18. A history quiz asks for the city and year of India's first successful textile mill. What is the correct answer?
BeginnerShow answer & explanation
Mumbai, 1854
1855 is the jute mill at Rishra near Kolkata.
Q19. Where and when was India's first jute mill set up?
BeginnerShow answer & explanation
Rishra, near Kolkata, 1855
Mumbai 1854 is the first cotton mill; Chennai 1904 the first cement plant.
Q20. Which statement about India and sugar is correct?
BeginnerShow answer & explanation
India is second in world sugar production but first in gur and khandsari
Second in sugar, first in the traditional sweeteners.
Q21. Which two states together hold sixty per cent of India's sugar mills?
BeginnerShow answer & explanation
Uttar Pradesh and Bihar
The industry is old and large in the northern plains.
Q22. Which prescribed cotton textile centre lies in Madhya Pradesh?
BeginnerShow answer & explanation
Indore
Kanpur is in Uttar Pradesh, Surat in Gujarat, Coimbatore in Tamil Nadu.
Q23. Which of these industries does the chapter describe as having close links with agriculture, giving a living to cotton boll pluckers and ginning workers?
BeginnerShow answer & explanation
Cotton textiles
Cotton textiles depend directly on farm cotton.
Q24. Which of these is NOT a factor the chapter gives for locating jute mills in the Hugli basin?
BeginnerShow answer & explanation
Large coal reserves beside the mills
Coal is not among the jute location factors.
Q25. Why does the textile industry occupy a unique position in the Indian economy?
BeginnerShow answer & explanation
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Q26. What factors led to the early concentration of the cotton textile industry in Maharashtra and Gujarat?
BeginnerShow answer & explanation
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Q27. Why are sugar mills shifting to the southern and western states?
BeginnerShow answer & explanation
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Q28. Read the Assertion and Reason and choose the correct option. Assertion (A): Iron and steel is a heavy industry. Reason (R): All its raw materials and its finished goods are both heavy and bulky, which means heavy transport costs.
BeginnerShow answer & explanation
Both A and R are true, and R is the correct explanation of A
Bulk and weight are what make it a heavy industry.
Q29. Which raw material is used in the largest quantity in steel making?
BeginnerShow answer & explanation
Iron ore
Iron ore is four parts in the 4 : 2 : 1 ratio.
Q30. Molten material from the blast furnace is poured into moulds. What are the moulds and their product called?
BeginnerShow answer & explanation
Pigs, giving pig iron
The moulds are called pigs.
Q31. Which set of processes belongs to the final shaping stage of steel manufacture?
BeginnerShow answer & explanation
Rolling, pressing, casting, forging
Shaping metal is the fifth stage.
Q32. Which region of India has the maximum concentration of iron and steel industries?
BeginnerShow answer & explanation
The Chhotanagpur plateau region
It has high grade raw materials close together.
Q33. Which of these is NOT listed in the chapter as a use of steel?
BeginnerShow answer & explanation
Growing sugarcane
The others are among the chapter's uses.
Q34. Which prescribed steel plant lies in Karnataka?
BeginnerShow answer & explanation
Vijayanagar
The book's map spells it Vijaynagar.
Q35. A student asked to name a mineral-based industry names jute textiles. What is the correction?
BeginnerShow answer & explanation
Jute is agro based; iron and steel is an example of a mineral-based industry
Mineral-based industries use minerals and metals as raw materials.
Q36. Why is the iron and steel industry called the basic industry?
BeginnerShow answer & explanation
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Q37. Why is iron and steel a heavy industry? Name its raw materials.
BeginnerShow answer & explanation
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Q38. Why does the Chhotanagpur plateau have the maximum concentration of iron and steel industries?
BeginnerShow answer & explanation
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Q39. Name the six prescribed iron and steel plants with their states.
BeginnerShow answer & explanation
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Q40. Bauxite is the raw material for which of these industries?
BeginnerShow answer & explanation
Aluminium smelting
The exercise's own question: bauxite gives alumina and then aluminium.
Q41. An aircraft maker wants a metal that is light, resists corrosion and becomes strong when mixed with other metals. Which industry supplies it?
BeginnerShow answer & explanation
Aluminium smelting
These are the properties of aluminium the chapter lists.
Q42. Which event does the chapter link to the fertiliser industry expanding across the country?
BeginnerShow answer & explanation
The Green Revolution
Rising demand for fertilisers followed the Green Revolution.
Q43. A builder is planning bridges, dams and an airport. Which industry's product is essential to all three?
BeginnerShow answer & explanation
Cement
Cement is essential for construction.
Q44. Which set lists the bulky raw materials of the cement industry?
BeginnerShow answer & explanation
Limestone, silica, gypsum
Cement also needs coal, power and rail transport.
Q45. Where and when was India's first cement plant set up?
BeginnerShow answer & explanation
Chennai, 1904
Mumbai 1854 was the first textile mill; Rishra 1855 the first jute mill.
Q46. A student lists Hyderabad as India's electronic capital. What is the correction?
BeginnerShow answer & explanation
Bengaluru is the electronic capital; Hyderabad is another important centre
Bengaluru has emerged as the electronic capital of India.
Q47. Which of these is NOT a use of aluminium named in the chapter?
BeginnerShow answer & explanation
Making cement
Cement is made from limestone, silica and gypsum.
Q48. What are the requirements of the cement industry?
BeginnerShow answer & explanation
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Q49. How did liberalisation affect the automobile industry?
BeginnerShow answer & explanation
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Q50. A town has a paper mill, a refinery, a brick kiln and a noisy stone-cutting yard. Which set of pollution types does the chapter say industries can cause?
BeginnerShow answer & explanation
Air, water, land and noise
The chapter lists four types of industrial pollution.
Q51. An air-quality monitor near a factory detects high levels of two gases the chapter names as causes of air pollution. Which pair is it most likely to be?
BeginnerShow answer & explanation
Sulphur dioxide and carbon monoxide
These are the undesirable gases the chapter names.
Q52. Which set of sources does the chapter name for industrial smoke?
BeginnerShow answer & explanation
Chemical and paper factories, brick kilns, refineries and smelting plants
Also factories that burn fossil fuels and ignore norms.
Q53. A brick kiln owner wants to cut the smoke from his furnaces without closing down. What fuel change does the chapter suggest?
BeginnerShow answer & explanation
Using oil or gas instead of coal
Oil or gas produces less smoke than coal.
Building up · 111 questions
Q54. Two countries export the same quantity of raw cotton, but one also turns cotton into shirts and sells them abroad. Which idea from the chapter explains why the second is likely to be more prosperous?
IntermediateShow answer & explanation
Countries that transform raw materials into finished goods of higher value are prosperous
Value added through manufacturing brings prosperity.
Q55. Why does the chapter call industrial development a precondition for eradicating unemployment and poverty?
IntermediateShow answer & explanation
Because factories create jobs and reduce people's heavy dependence on farm income
Jobs in secondary and tertiary sectors reduce dependence on agriculture.
Q56. A government sets up a public sector factory in a tribal district far from any city. Which aim of industrial policy described in the chapter does this serve?
IntermediateShow answer & explanation
Bringing down regional disparities
Industries in tribal and backward areas were meant to reduce regional disparities.
Q57. Read the Assertion and Reason and choose the correct option. Assertion (A): Agriculture and industry move hand in hand in India. Reason (R): Agro-industries depend on farms for raw materials and sell farmers pumps, fertilisers and pesticides.
IntermediateShow answer & explanation
Both A and R are true, and R is the correct explanation of A
The two-way flow of goods is exactly why they move together.
Q58. An Indian toy maker sells well at home but loses export orders to foreign rivals with better finish. What lesson does the chapter draw for such a firm?
IntermediateShow answer & explanation
Self-sufficiency is not enough; goods must match international quality to compete
In a globalised world, quality at par with the international market is essential.
Q59. A steel plant sells its sheets to car factories, which turn them into vehicles. Which type of industry, by main role, is the steel plant?
IntermediateShow answer & explanation
A basic or key industry
Its product becomes the raw material of other industries.
Q60. An entrepreneur asks whether her unit counts as small scale. What does the chapter say decides the answer?
IntermediateShow answer & explanation
The maximum investment allowed on the unit's assets, at present rupees one crore
Capital investment, not size or ownership, defines small scale.
Q61. A company is owned partly by the government and partly by private shareholders who run it together. Under which sector would the chapter place it?
IntermediateShow answer & explanation
Joint sector
Oil India Ltd is the chapter's example of such joint ownership.
Q62. Cane farmers in a Maharashtra village pool their money, run a sugar mill together and share its profits and losses. What kind of industry is this?
IntermediateShow answer & explanation
A cooperative sector industry
Producers of the raw material own and run it and share profits proportionately.
Q63. Consider the following statements about ownership. 1. TISCO and Dabur are private sector industries. 2. Oil India Ltd is a joint sector industry. 3. The coir industry of Kerala is a public sector industry. Which of the statements given above are correct?
IntermediateShow answer & explanation
1 and 2 only
The coir industry of Kerala is the chapter's example of a cooperative.
Q64. A factory makes fuse wires and electric bulbs from light raw materials. On the basis of bulk and weight, how would it be classified?
IntermediateShow answer & explanation
Light industry
Electrical goods are the chapter's example of light industry.
Q65. Which set of products, from the chapter's sorting activity, would all come from heavy industries?
IntermediateShow answer & explanation
Shipbuilding, automobiles
Ships and vehicles use heavy, bulky materials and are heavy products.
Q66. Which of the following products is itself an industrial product that becomes the raw material for another industry, as the chapter notes?
IntermediateShow answer & explanation
Yarn
Some clothes are made from yarn, which is already manufactured.
Q67. Which of the following correctly matches an industry with its sector of ownership?
IntermediateShow answer & explanation
Bajaj Auto Ltd — private sector
SAIL and BHEL are public; Oil India Ltd is joint.
Q68. An electrical goods factory and an iron and steel plant differ in which basis of classification most obviously?
IntermediateShow answer & explanation
Bulk and weight of raw materials and finished goods
One is the chapter's example of light industry, the other of heavy.
Q69. Consider the following statements. 1. Manufacturing industries fall in the secondary sector. 2. Agro-industries have raised the productivity of agriculture. 3. Manufacturing increases people's dependence on agricultural income. Which of the statements given above are correct?
IntermediateShow answer & explanation
1 and 2 only
Manufacturing reduces, not increases, dependence on farm income.
Q70. Which industry would the chapter classify as both mineral based and basic?
IntermediateShow answer & explanation
Aluminium smelting
It uses bauxite and supplies metal to other industries.
Q71. Why is the manufacturing sector considered the backbone of development?
IntermediateShow answer & explanation
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Q72. How are agriculture and industry linked?
IntermediateShow answer & explanation
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Q73. Distinguish between public, private, joint and cooperative sector industries, with an example of each.
IntermediateShow answer & explanation
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Q74. Distinguish between heavy and light industries, and between basic and consumer industries.
IntermediateShow answer & explanation
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Q75. Explain the importance of manufacturing industries for India's development.
IntermediateShow answer & explanation
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Any five points, 1 mark each. 1 mark — modernising agriculture. 1 mark — jobs reducing dependence on farm income. 1 mark — removing unemployment and poverty. 1 mark — reducing regional disparities. 1 mark — exports and foreign exchange. 1 mark — higher-value goods and prosperity. Or any other relevant point.
Q76. Classify industries on the basis of raw materials, main role, capital investment, ownership, and bulk and weight, giving examples.
IntermediateShow answer & explanation
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1 mark for each basis correctly explained with an example: raw materials, main role, capital investment, ownership, bulk and weight.
Q77. Why does the chapter say the textile industry occupies a unique position in the Indian economy?
IntermediateShow answer & explanation
It is the only industry self-reliant and complete in the value chain, and contributes to production, jobs and foreign exchange
From raw material to the highest value added products, all within India.
Q78. Which development first brought machines into Indian cotton weaving, according to the chapter?
IntermediateShow answer & explanation
Power-looms coming into use after the 18th century
Hand spinning and handloom weaving came first; power-looms after the 18th century.
Q79. Read the Assertion and Reason and choose the correct option. Assertion (A): India's traditional cotton industries suffered a setback in the colonial period. Reason (R): Indian handspun and handwoven cloth had a worldwide market for its fineness.
IntermediateShow answer & explanation
Both A and R are true, but R is not the correct explanation of A
Both are true. The earlier reputation of Indian cloth does not explain the setback; the competition from mill-made cloth does.
Q80. Why did the cotton textile industry first concentrate in the cotton-growing belt of Maharashtra and Gujarat?
IntermediateShow answer & explanation
Because of raw cotton, market, transport with port facilities, labour and a moist climate
The chapter names a moist climate, not a dry one.
Q81. The two World Wars were fought in Europe while India was a British colony. How did they affect India's cotton textile industry?
IntermediateShow answer & explanation
Demand for cloth in the United Kingdom gave the industry a boost
Wartime demand for cloth in Britain helped the industry grow.
Q82. Consider the following statements about cotton textiles. 1. Spinning is centralised in Maharashtra, Gujarat and Tamil Nadu. 2. Weaving is highly decentralised. 3. Indian weaving uses all of the high quality yarn produced in the country. Which of the statements given above are correct?
IntermediateShow answer & explanation
1 and 2 only
Weaving cannot use much of the high quality yarn, so it yields low quality fabric.
Q83. India spins world-class yarn, yet much of its woven fabric is of low quality. What reason does the chapter give?
IntermediateShow answer & explanation
Most of the good yarn spun in India never reaches the weaving sector
The gap between spinning and weaving quality is a known weakness.
Q84. Why is weaving kept highly decentralised rather than concentrated in large mills?
IntermediateShow answer & explanation
To provide scope for traditional skills and designs in cotton, silk, zari and embroidery
Decentralisation protects traditional crafts.
Q85. A dye maker, a packaging firm and an engineering workshop all grow in a textile town. Which idea from the chapter explains this?
IntermediateShow answer & explanation
The textile industry creates demand that supports many other industries
Chemicals and dyes, packaging and engineering works are named.
Q86. Which statement correctly describes India's position in the jute industry?
IntermediateShow answer & explanation
Largest producer of raw jute and jute goods, and second exporter after Bangladesh
First in production, second in exports.
Q87. After Partition in 1947, India's jute mills faced a raw material problem. What had happened?
IntermediateShow answer & explanation
Three-fourths of the jute-producing area went to Bangladesh while the mills stayed in India
Mills and fields were separated by the new border.
Q88. Consider the following factors. 1. Nearness to jute-producing areas 2. Abundant water for processing raw jute 3. A cold, dry climate Which of these does the chapter give for the location of jute mills in the Hugli basin?
IntermediateShow answer & explanation
1 and 2 only
A cold, dry climate is not among the chapter's factors.
Q89. What does Kolkata contribute to the jute industry of the Hugli basin, according to the chapter?
IntermediateShow answer & explanation
Banking, insurance and port facilities for exporting jute goods
Kolkata is the large urban centre that serves the mills.
Q90. A jute mill owner in the Hugli basin says he can hire workers cheaply. From which states does the chapter say this labour comes?
IntermediateShow answer & explanation
West Bengal and the adjoining states of Bihar, Odisha and Uttar Pradesh
Cheap labour from nearby states is one location factor.
Q91. A farmer's cane waits three days on a truck before reaching the mill. What does the chapter say happens to it?
IntermediateShow answer & explanation
Its sucrose content reduces during haulage
Cane is bulky and loses sucrose in haulage, so mills stay close to fields.
Q92. Read the Assertion and Reason and choose the correct option. Assertion (A): The sugar industry is ideally suited to the cooperative sector. Reason (R): The sugar industry runs steadily through all twelve months of the year.
IntermediateShow answer & explanation
A is true but R is false
It is seasonal, which is what suits it to the cooperative sector. The assertion stands, the reason is false.
Q93. Sugar mills are shifting to Maharashtra and other southern and western states. Which set of reasons does the chapter give?
IntermediateShow answer & explanation
Higher sucrose cane, a cooler climate with a longer crushing season, and more successful cooperatives
All three reasons appear in the chapter.
Q94. How does a cooler climate help sugar mills in the southern and western states?
IntermediateShow answer & explanation
It ensures a longer crushing season
A longer season means the mill runs for more months.
Q95. An outline map asks you to locate and label the prescribed cotton textile centre in Tamil Nadu. Which city should you mark?
IntermediateShow answer & explanation
Coimbatore
Chennai and Madurai appear on the book's textile map but are not prescribed; Salem is a steel plant.
Q96. A student must mark the prescribed cotton textile centre on the Ganga plain in Uttar Pradesh. Which city should she choose?
IntermediateShow answer & explanation
Kanpur
Kanpur is the prescribed centre in Uttar Pradesh.
Q97. Which pair of prescribed cotton textile centres lies on or near the west coast?
IntermediateShow answer & explanation
Mumbai and Surat
Mumbai in Maharashtra and Surat in Gujarat, near the Arabian Sea.
Q98. Which set correctly pairs the prescribed cotton centres with their states?
IntermediateShow answer & explanation
Surat, Gujarat; Indore, Madhya Pradesh; Kanpur, Uttar Pradesh
Surat in Gujarat, Indore in Madhya Pradesh, Kanpur in Uttar Pradesh.
Q99. A world trade report ranks countries for sugar and for the traditional sweeteners gur and khandsari. Which pair of rankings for India matches the chapter?
IntermediateShow answer & explanation
Second in sugar, first in gur and khandsari
India leads in gur and khandsari but is second in sugar.
Q100. A weaver in a village produces zari and embroidered cloth on a handloom. Which feature of the cotton industry does her work reflect?
IntermediateShow answer & explanation
Decentralised weaving that incorporates traditional skills and designs
Weaving is decentralised to make room for such traditional skills.
Q101. Why is spinning centralised but weaving decentralised in India?
IntermediateShow answer & explanation
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Q102. Give the factors responsible for the location of jute mills in the Hugli basin.
IntermediateShow answer & explanation
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Q103. Why is the sugar industry ideally suited to the cooperative sector?
IntermediateShow answer & explanation
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Q104. Describe the cotton textile industry of India — its history, location and structure.
IntermediateShow answer & explanation
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Any five points, 1 mark each. 1 mark — hand spinning and handlooms, then power-looms. 1 mark — colonial setback. 1 mark — first mill in Mumbai, 1854. 1 mark — location factors in Maharashtra and Gujarat. 1 mark — links with agriculture and other industries. 1 mark — centralised spinning and decentralised weaving. 1 mar…
Q105. Describe the jute textile industry of India, and explain why it is concentrated in the Hugli basin.
IntermediateShow answer & explanation
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Any five points, 1 mark each. 1 mark — largest producer, second exporter. 1 mark — mills along the Hugli, first at Rishra 1855. 1 mark — Partition's effect. 1 mark — nearness to jute areas and cheap water transport. 1 mark — transport network and water for processing. 1 mark — cheap labour. 1 mark — Kolkata's services…
Q106. A factory that makes fans, one that makes trucks and one that makes cranes all buy machinery made of steel. Which description of the iron and steel industry does this illustrate?
IntermediateShow answer & explanation
It is the basic industry, since heavy, medium and light industries depend on it for machinery
Every kind of industry depends on steel for its machinery.
Q107. Why is the production and consumption of steel often regarded as an index of a country's development?
IntermediateShow answer & explanation
Because steel goes into machinery, construction, defence and equipment across the whole economy
Its wide use makes it a good measure of economic activity.
Q108. A steel maker finds its product too soft for a customer's order. Which mineral does the chapter say is added in small quantities to harden steel?
IntermediateShow answer & explanation
Manganese
Some quantities of manganese are required to harden the steel.
Q109. Consider the following statements about the blast furnace stage. 1. Iron ore is melted. 2. Slag is removed. 3. Nickel and chromium are added. Which of the statements given above are correct?
IntermediateShow answer & explanation
1 and 2 only
Nickel and chromium are added at the later steel making stage.
Q110. A worker explains that at his stage pig iron is melted again, impurities are oxidised and chromium is added. Which stage of the chapter's flow chart is he in?
IntermediateShow answer & explanation
Steel making
Purifying pig iron and adding alloys is the steel making stage.
Q111. What is the correct order of stages in making steel?
IntermediateShow answer & explanation
Transport, blast furnace, pig iron, steel making, shaping metal
Raw materials arrive, are smelted, cast, purified, then shaped.
Q112. Which set of advantages does the chapter give for the concentration of steel plants on the Chhotanagpur plateau?
IntermediateShow answer & explanation
Low cost iron ore, high grade raw materials in proximity, cheap labour and a large home market
All four advantages are in the chapter.
Q113. An outline map asks you to locate and label the steel plant in Chhattisgarh. Which prescribed plant should you mark?
IntermediateShow answer & explanation
Bhilai
Bhilai is the public sector plant in Chhattisgarh.
Q114. Which two prescribed iron and steel plants are in Jharkhand?
IntermediateShow answer & explanation
Bokaro and Jamshedpur
Durgapur is in West Bengal.
Q115. A student marks the prescribed steel plant in West Bengal. Which one should it be?
IntermediateShow answer & explanation
Durgapur
Burnpur is also in West Bengal on the book's map but is not prescribed.
Q116. Which pair of prescribed steel plants lies in South India?
IntermediateShow answer & explanation
Vijayanagar and Salem
Vijayanagar is in Karnataka and Salem in Tamil Nadu.
Q117. One steel plant stands beside coal and iron ore deposits in Jharkhand; another must bring both by rail from hundreds of kilometres away. Which is likely to have lower raw material transport costs, by the chapter's reasoning?
IntermediateShow answer & explanation
The plant beside the deposits, since the raw materials are heavy and bulky
Heavy, bulky inputs make distance expensive.
Q118. Which three metals does the chapter say are added when pig iron is turned into steel?
IntermediateShow answer & explanation
Manganese, nickel and chromium
They are added at the steel making stage.
Q119. Consider the following statements. 1. Iron ore, coking coal and limestone are used in the ratio of about 4 : 2 : 1. 2. Manganese is used to harden steel. 3. Limestone is burnt to heat the ore. Which of the statements given above are correct?
IntermediateShow answer & explanation
1 and 2 only
Coke heats the ore; limestone is the flux.
Q120. Why do steel plants need an efficient transport network even after being placed near raw materials?
IntermediateShow answer & explanation
Because finished steel products must be distributed to markets and consumers
The chapter reminds you that finished products need transport too.
Q121. Which statement about slag is correct, according to the chapter's flow chart?
IntermediateShow answer & explanation
Slag is removed at the blast furnace stage
Limestone flux helps separate slag, which is removed.
Q122. Describe what happens in the blast furnace.
IntermediateShow answer & explanation
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Q123. What should be considered in deciding where a steel plant is located?
IntermediateShow answer & explanation
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Q124. Describe the process of manufacturing steel.
IntermediateShow answer & explanation
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Any five points, 1 mark each. 1 mark — raw materials and ratio. 1 mark — transport to the plant. 1 mark — blast furnace with coke and limestone flux. 1 mark — slag removed. 1 mark — pig iron in moulds. 1 mark — purification with manganese, nickel, chromium. 1 mark — shaping by rolling, pressing, casting, forging. Or an…
Q125. Why is the iron and steel industry important, and what factors influence its location?
IntermediateShow answer & explanation
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Any five points, 1 mark each. 1 mark — basic industry. 1 mark — uses or index of development. 1 mark — heavy industry with raw materials and ratio. 1 mark — nearness to raw materials. 1 mark — transport to markets. 1 mark — Chhotanagpur advantages. Or any other relevant point.
Q126. Which one of the following industries manufactures telephones, computers, etc.?
IntermediateShow answer & explanation
Electronic
The exercise's own question: the electronics industry makes the equipment; IT is the wider field of software and services.
Q127. A company plans an aluminium smelter. Which two factors does the chapter call prime for choosing the site?
IntermediateShow answer & explanation
Power that does not fail, and raw material it can count on at the lowest possible cost
Smelting uses huge amounts of power and bulky bauxite.
Q128. Read the Assertion and Reason and choose the correct option. Assertion (A): Aluminium has gained popularity in many industries. Reason (R): It is used as a substitute for steel, copper, zinc and lead because it is light, corrosion resistant and malleable.
IntermediateShow answer & explanation
Both A and R are true, and R is the correct explanation of A
Its properties explain its growing use.
Q129. Which set lists only states with aluminium smelting plants, according to the chapter?
IntermediateShow answer & explanation
Odisha, Kerala, Chhattisgarh
The chapter names Odisha, West Bengal, Kerala, Uttar Pradesh, Chhattisgarh, Maharashtra and Tamil Nadu.
Q130. A soap factory, a glass factory and a paper mill all buy the same inorganic chemical. Which is it most likely to be?
IntermediateShow answer & explanation
Soda ash
Soda ash is used to make glass, soaps and detergents, and paper.
Q131. A plastics and synthetic rubber factory is being set up. Near which facility would the chapter expect it?
IntermediateShow answer & explanation
An oil refinery or petrochemical plant
These are organic chemical products.
Q132. What does the chapter mean by calling the chemical industry 'its own largest consumer'?
IntermediateShow answer & explanation
Basic chemicals are processed to produce other chemicals, so the industry uses much of its own output
Chemicals feed further chemical production.
Q133. Consider the following statements about chemicals. 1. Sulphuric acid is used to make fertilisers and synthetic fibres. 2. Inorganic chemical industries are widely spread over the country. 3. Petrochemicals are inorganic chemicals. Which of the statements given above are correct?
IntermediateShow answer & explanation
1 and 2 only
Petrochemicals are organic chemicals.
Q134. Why is potash the one fertiliser nutrient India imports entirely?
IntermediateShow answer & explanation
India has no reserves of commercially usable potash or potassium compounds
No usable reserves means complete import dependence.
Q135. Which set of states produces about half of India's fertilisers?
IntermediateShow answer & explanation
Gujarat, Tamil Nadu, Uttar Pradesh, Punjab, Kerala
The others are named only as significant producers, or not at all.
Q136. A paint maker, an adhesives maker, a fertiliser plant and a synthetic fibre mill all buy the same basic inorganic acid. Which chemical does the chapter link to all these uses?
IntermediateShow answer & explanation
Sulphuric acid
Sulphuric acid is used for fertilisers, synthetic fibres, plastics, adhesives, paints and dyes.
Q137. Why do cement plants in Gujarat have an advantage in exports?
IntermediateShow answer & explanation
They have suitable access to markets in the Gulf countries
Location near the sea and the Gulf helps.
Q138. Read the Assertion and Reason and choose the correct option. Assertion (A): The automobile industry in India declined after liberalisation. Reason (R): New and contemporary models stimulated demand for vehicles.
IntermediateShow answer & explanation
A is false but R is true
It grew, so the assertion is false. The reason gives what drove the growth.
Q139. Which set lists only centres of the automobile industry named in the chapter?
IntermediateShow answer & explanation
Gurugram, Pune, Jamshedpur
The other sets are a jute mill and steel plants, ports, and oil fields.
Q140. A state government wants to create jobs for large numbers of educated young people in its cities. Why would promoting the IT and electronics industry suit this aim, according to the chapter?
IntermediateShow answer & explanation
The industry's major impact has been on employment generation
Employment generation is the chapter's stated major impact.
Q141. An outline map asks you to locate and label the software technology park in Kerala. Which city should you mark?
IntermediateShow answer & explanation
Thiruvananthapuram
Thiruvananthapuram is the prescribed park in Kerala.
Q142. Which prescribed software technology park lies in Gujarat?
IntermediateShow answer & explanation
Gandhinagar
Surat is a cotton centre; Kandla is a port.
Q143. Which pair of prescribed software technology parks lies in Maharashtra?
IntermediateShow answer & explanation
Mumbai and Pune
Hyderabad is in Telangana, Noida in Uttar Pradesh, Chennai in Tamil Nadu.
Q144. Which set correctly pairs software technology parks with their states?
IntermediateShow answer & explanation
Hyderabad, Telangana; Bengaluru, Karnataka; Chennai, Tamil Nadu
Each southern park with its correct state.
Q145. Why is aluminium important, and what are the prime factors for locating aluminium smelters?
IntermediateShow answer & explanation
—
Q146. Distinguish between inorganic and organic chemicals.
IntermediateShow answer & explanation
—
Q147. Describe the fertiliser industry of India.
IntermediateShow answer & explanation
—
Q148. Describe the information technology and electronics industry of India.
IntermediateShow answer & explanation
—
Q149. Describe the aluminium smelting industry of India.
IntermediateShow answer & explanation
—
Any five points, 1 mark each. 1 mark — second most important metallurgical industry. 1 mark — properties of aluminium. 1 mark — uses or substitution. 1 mark — bauxite to alumina to aluminium. 1 mark — two prime location factors. 1 mark — states with plants. Or any other relevant point.
Q150. Describe the chemical and fertiliser industries of India.
IntermediateShow answer & explanation
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Any five points, 1 mark each. 1 mark — fast growing chemical industry. 1 mark — inorganic chemicals, uses and spread. 1 mark — organic chemicals near refineries. 1 mark — its own largest consumer. 1 mark — types of fertiliser and imported potash. 1 mark — Green Revolution and leading states. Or any other relevant point…
Q151. Read the Assertion and Reason and choose the correct option. Assertion (A): Thermal power plants are among the polluting industries. Reason (R): Thermal plants draw their water from rivers and return it once it has cooled fully.
IntermediateShow answer & explanation
A is true but R is false
Hot water is drained back before cooling, and that is the pollution. The assertion holds, the reason is false.
Q152. Why does the chapter mention the Bhopal gas tragedy?
IntermediateShow answer & explanation
As an example of how hazardous a toxic gas leak can be, with long-term effects
Toxic gas leaks are part of the air pollution section.
Q153. A river below an industrial town is coloured, foamy and carries traces of lead and mercury. Which group of industries does the chapter name as the main culprits?
IntermediateShow answer & explanation
Paper, pulp, chemical, textile and dyeing, refineries, tanneries and electroplating
They release dyes, detergents, acids, salts and heavy metals.
Q154. Which set names the major solid wastes of Indian industry?
IntermediateShow answer & explanation
Fly ash, phospho-gypsum, iron and steel slags
These are the chapter's major solid wastes.
Q155. Read the Assertion and Reason and choose the correct option. Assertion (A): Soil and water pollution are closely related. Reason (R): Industrial effluents and solid wastes are among the chief polluters of soil.
IntermediateShow answer & explanation
Both A and R are true, but R is not the correct explanation of A
Both are true, but naming what pollutes the soil does not explain how the soil's pollution reaches the groundwater.
Q156. Consider the following statements. 1. Wastes from nuclear facilities can cause cancers and birth defects. 2. Dumping of glass, packaging and salts can render soil useless. 3. Noise pollution has no physiological effects. Which of the statements given above are correct?
IntermediateShow answer & explanation
1 and 2 only
Noise can cause hearing impairment and raise heart rate and blood pressure.
Q157. Workers at a construction site near pneumatic drills report headaches, stress and trouble hearing. Which effects of noise pollution named in the chapter are they showing?
IntermediateShow answer & explanation
Stress and hearing impairment
Noise also raises heart rate and blood pressure.
Q158. A factory discharges 1,000 litres of untreated waste water into a lake. By the chapter's estimate, how much fresh water could it pollute?
IntermediateShow answer & explanation
About 8,000 litres
Every litre of waste water pollutes eight times as much fresh water.
Q159. A textile unit uses the same water for washing fibres, then for cooling machines, then for cleaning floors. Which pollution-control step is it following?
IntermediateShow answer & explanation
Reusing and recycling water in two or more successive stages
Reuse reduces the fresh water needed and the waste water produced.
Q160. A factory collects rain from its roofs to run its boilers instead of pumping ground water. How does this help, according to the chapter?
IntermediateShow answer & explanation
Harvesting rainwater meets water needs and reduces pressure on fresh water sources
Rainwater harvesting is one of the chapter's steps.
Q161. At a treatment plant, effluent is screened, ground, flocculated and allowed to settle. Which phase of treatment is this?
IntermediateShow answer & explanation
Primary treatment by mechanical means
Screening, grinding, flocculation and sedimentation are mechanical.
Q162. Which phase of effluent treatment uses biological, chemical and physical processes and involves recycling waste water?
IntermediateShow answer & explanation
Tertiary
Secondary is biological only; primary is mechanical.
Q163. Consider the following statements about treating industrial effluents. 1. Primary treatment is mechanical. 2. Secondary treatment is a biological process. 3. Tertiary treatment uses only mechanical screening. Which of the statements given above are correct?
IntermediateShow answer & explanation
1 and 2 only
Tertiary treatment is biological, chemical and physical.
Q164. A factory's smoke stack releases heavy dust. Which set of devices does the chapter suggest fitting to it?
IntermediateShow answer & explanation
Electrostatic precipitators, fabric filters, scrubbers and inertial separators
These reduce particulate matter in the air.
Topper level · 36 questions
Q165. Read the Assertion and Reason and choose the correct option. Assertion (A): The investment limit for small scale industries has always been fixed at one crore rupees. Reason (R): A small scale industry is defined by the maximum investment allowed on the assets of a unit.
AdvancedShow answer & explanation
A is false but R is true
The limit has changed over time; one crore is the present figure.
Q166. What is the key difference between a joint sector and a cooperative sector industry?
AdvancedShow answer & explanation
A joint sector industry is run by the state with individuals; a cooperative is owned by producers, suppliers or workers who share profits and losses
The owners differ: state plus private, or the members themselves.
Q167. A cotton textile mill uses farm cotton, sells cloth directly to shoppers, and is owned by a private company. Which set of labels fits it?
AdvancedShow answer & explanation
Agro based, consumer, private sector
One industry can be classified in several ways at once.
Q168. Which statement best explains why the chapter calls the manufacturing sector the backbone of economic development?
AdvancedShow answer & explanation
It modernises agriculture, creates jobs, reduces poverty and regional disparity, and earns foreign exchange
The chapter lists all these contributions together.
Q169. Why would a country that exports only raw materials earn less foreign exchange than one that exports manufactured goods made from them?
AdvancedShow answer & explanation
Because manufacturing adds value, so finished goods sell for more than the raw materials in them
Processing turns raw materials into more valuable products.
Q170. 'Agriculture and industry are not exclusive of each other.' Explain, and say why Indian industry must also look beyond self-sufficiency.
AdvancedShow answer & explanation
—
Any five points, 1 mark each. 1 mark — agro industries depend on farm raw materials. 1 mark — industry supplies farm inputs, with examples. 1 mark — raised productivity and efficiency. 1 mark — jobs reducing dependence on farm income. 1 mark — self-sufficiency not enough. 1 mark — quality at par with the international…
Q171. A student asks why Mahatma Gandhi laid emphasis on spinning yarn and weaving khadi. Which answer draws best on the chapter?
AdvancedShow answer & explanation
Hand-spun khadi employs weavers in very large numbers, working from home as a cottage industry
Home-based employment is the chapter's stated benefit of khadi.
Q172. Why might keeping mill-sector loomage lower than powerloom and handloom be important for India?
AdvancedShow answer & explanation
Decentralised looms spread employment across homes and villages and keep traditional skills alive
The same reasoning as khadi: more livelihoods, preserved skills.
Q173. Why would a cotton mill in Mumbai in the 19th century have had an advantage for exporting cloth?
AdvancedShow answer & explanation
Accessible port facilities were one of the factors behind the industry's location there
Transport, including port facilities, is among the chapter's factors.
Q174. Which statement best compares the jute and sugar industries' dependence on their raw material?
AdvancedShow answer & explanation
Both stay near their crops: jute mills near jute areas along the Hugli, sugar mills near cane because cane loses sucrose in haulage
Both are agro-based industries tied to their raw material areas.
Q175. 'Agro-based industries stay close to their fields.' Examine this statement with reference to the sugar and jute industries.
AdvancedShow answer & explanation
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Any five points, 1 mark each. 1 mark — agro industries tied to raw material areas. 1 mark — cane bulky and losing sucrose. 1 mark — sixty per cent in Uttar Pradesh and Bihar. 1 mark — seasonal industry suited to cooperatives. 1 mark — shift south and west with reasons. 1 mark — jute near jute areas with water and trans…
Q176. A plant manager orders 400 tonnes of iron ore for a batch. Roughly how much coking coal and limestone should she order, using the chapter's ratio?
AdvancedShow answer & explanation
200 tonnes of coking coal and 100 tonnes of limestone
The ratio is about 4 : 2 : 1.
Q177. A blast furnace runs short of limestone but still has plenty of coke and iron ore. Which job in the furnace would suffer, according to the chapter's flow chart?
AdvancedShow answer & explanation
Fluxing, which helps remove impurities as slag
Limestone is the flux; coke still supplies the heat.
Q178. A furnace crew has iron ore and limestone ready but the coke delivery is late. Which part of the blast furnace process cannot begin, and why?
AdvancedShow answer & explanation
Melting the ore, because coke is burnt to heat it
Coke is the fuel that heats the ore.
Q179. A planner must choose a site for a new steel plant. Which two considerations does the chapter ask him to balance?
AdvancedShow answer & explanation
Nearness to heavy raw materials and an efficient transport network to reach markets
Raw materials are heavy, but finished steel must also reach consumers.
Q180. Read the Assertion and Reason and choose the correct option. Assertion (A): Steel plants tend to be located close to their raw materials. Reason (R): The raw materials of steel are light and cheap to transport over long distances.
AdvancedShow answer & explanation
A is true but R is false
The raw materials are heavy and bulky, which is exactly why plants stay near them.
Q181. A student lists Rourkela, Vishakhapatnam and Bhadravati among her prescribed steel map items. What is wrong?
AdvancedShow answer & explanation
They appear on the book's map but are not among the six prescribed plants
The prescribed six are Durgapur, Bokaro, Jamshedpur, Bhilai, Vijayanagar and Salem.
Q182. Why does Bokaro appear in two different sections of the Class 10 map list?
AdvancedShow answer & explanation
It is both a coal mine and an iron and steel plant
Coal and steel sit side by side there.
Q183. A student confuses the roles of the two materials burnt or added in the blast furnace. Which statement sets it right?
AdvancedShow answer & explanation
Coke is burnt to heat the ore, while limestone acts as the flux and helps remove slag
Fuel and flux are different jobs.
Q184. Why would a steel plant far from both its iron ore and its coal struggle to compete, according to the chapter's reasoning?
AdvancedShow answer & explanation
Its heavy, bulky raw materials would entail heavy transport costs
Transport costs are a defining problem of heavy industry.
Q185. Which statement best explains why the chapter calls iron and steel both 'basic' and 'heavy'?
AdvancedShow answer & explanation
It is basic because other industries depend on it for machinery, and heavy because its raw materials and products are bulky
The two labels come from different bases of classification.
Q186. A town has cheap labour and a growing market but must bring in iron ore from far away. Compared with the Chhotanagpur plateau, what advantage is it missing?
AdvancedShow answer & explanation
Low cost iron ore and high grade raw materials in proximity
Chhotanagpur's lead rests on nearby, cheap, high grade raw materials.
Q187. Which pair of prescribed steel plants lies closest to the Damodar valley coalfields of West Bengal and Jharkhand?
AdvancedShow answer & explanation
Durgapur and Bokaro
Both lie in the Damodar valley region, near Raniganj and Jharia.
Q188. 'The Chhotanagpur plateau is the heartland of India's steel industry.' Justify, naming the prescribed plants in and around it and elsewhere.
AdvancedShow answer & explanation
—
Any five points, 1 mark each. 1 mark — maximum concentration on the plateau. 1 mark — low cost ore and high grade raw materials nearby. 1 mark — heavy industry cutting transport costs. 1 mark — cheap labour and home market. 1 mark — prescribed plants in the region. 1 mark — prescribed plants elsewhere. Or any other rel…
Q189. A smelter wants to produce 10 tonnes of aluminium. Using the chapter's chain, roughly how much alumina will it need?
AdvancedShow answer & explanation
About 20 tonnes
Two tonnes of alumina give one tonne of aluminium.
Q190. Why would an aluminium smelter be unwise to locate where power cuts are frequent?
AdvancedShow answer & explanation
Because smelting needs a regular supply of electricity — about 18,600 kWh per tonne of ore
Regular electricity is one of the two prime location factors.
Q191. Why are organic chemical plants located near oil refineries, while inorganic chemical plants are widely spread?
AdvancedShow answer & explanation
Organic chemicals are petrochemicals made from refinery products, while inorganic chemicals have no such single source
The raw material of petrochemicals comes from refineries.
Q192. A farmer's fertiliser bag says N-P-K. Which type of fertiliser is it, and which of its nutrients must India import entirely?
AdvancedShow answer & explanation
A complex fertiliser; potash
Complex fertilisers combine all three; potash (K) is entirely imported.
Q193. An entrepreneur asks where a cement plant would be economically viable. Which answer best follows the chapter's facts?
AdvancedShow answer & explanation
Near limestone, with coal, power and rail transport available, and access to markets
Bulky, heavy raw materials and a bulky product make transport decisive.
Q194. A software firm and a chip-making plant both expand in the same city. Which idea from the chapter explains why both matter?
AdvancedShow answer & explanation
Continuing growth in both hardware and software is the key to the IT industry's success
The chapter names both halves.
Q195. A student must mark the only prescribed software technology park in North India. Which city is it?
AdvancedShow answer & explanation
Noida
Jaipur, Mohali and Srinagar are on the book's map but not prescribed.
Q196. Which of these cities appears on the syllabus list both as a cotton textile centre and as a software technology park?
AdvancedShow answer & explanation
Mumbai
Mumbai is on both lists, and is also a major sea port.
Q197. Which statement best contrasts the location of aluminium smelting with that of the IT industry?
AdvancedShow answer & explanation
Aluminium follows electricity and cheap bauxite, while IT concentrates in large cities such as Bengaluru, Noida and Hyderabad
Raw material and power pull one; cities and people pull the other.
Q198. 'Different industries are pulled to different places.' Explain with reference to aluminium, organic chemicals, cement and IT.
AdvancedShow answer & explanation
—
Any five points, 1 mark each. 1 mark — aluminium's two prime factors. 1 mark — organic chemicals near refineries. 1 mark — inorganic chemicals widely spread. 1 mark — cement's raw materials and transport. 1 mark — Gujarat's access to the Gulf. 1 mark — IT concentrated in large cities. Or any other relevant point.
Q199. Fish begin dying just downstream of a power plant, though tests find no chemicals in the water, only that it is unusually warm. What has most likely happened?
AdvancedShow answer & explanation
Thermal pollution — hot water drained into the river before cooling
Heat alone, without chemicals, can harm aquatic life.
Q200. A village well turns unsafe years after a factory began dumping chemical waste and salts on nearby land. Which process from the chapter explains this?
AdvancedShow answer & explanation
Rain water carries soil pollutants down, contaminating ground water
Dumped waste on land eventually reaches ground water.
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