From the chapter Minerals and Energy Resources, some of the important questions are covered in this question paper.
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Download CBSE Class 10th Standard CBSE Social Science question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 10th Standard CBSE Social Science

Questions:

Multiple Choice Question

9 x 1 = 9

Magnetite is the finest iron or with a new higher content iron upto

(a)

60%

(b)

70%

(c)

80%

(d)

90%

Which out of the following is derived from the ocean waters?

(a)

Limestone

(b)

Sandstone

(c)

Cobalt

(d)

Bromine

Biogas plants using cattle dung are called

(a)

hydel plants

(b)

gobar gas plants

(c)

thermal power station

(d)

gas station

Where is the largest solar plant of India located?

(a)

Gujarat

(b)

Rajasthan

(c)

Maharashtra

(d)

Odisha

Which out of the following is a non-conventional source of energy?

(a)

Atomic energy

(b)

Firewood

(c)

Coal

(d)

Natural gas

India is critically deficient in the reserve and production of

(a)

Copper

(b)

bauxite

(c)

zinc

(d)

platinum

Name the mines in Karnataka which is a 100per cent export unit?

(a)

Balaghat mines

(b)

Khetri mines

(c)

Kudermukh mines

(d)

None of these

Which out of the following minerals is formed by the decomposition of surface rocks, and leaves a residual mass of weathered material?

(a)

Gold

(b)

Bauxite

(c)

Zinc

(d)

Coal

Which one of the following minerals is formed by decomposition of rocks, leaving a residual mass of weathered material?

(a)

coal

(b)

bauxite

(c)

gold

(d)

zinc

Generic 3

10 x 3 = 30

10.

Explain three phases by which treatment of industrial effluents can be done.

11.

Which is the other major source of energy after coal in India? Mention any four reasons why it is important.

12.

Explain two effects on our economy due to the export of good quality ores in large quantities

13.

Mention any three impacts of mining on the health of the miners.

14.

What are the major properties of mica? Mention any three.

15.

Explain the use of the petroleum as an energy resource and as an industrial raw material.

16.

What is the use of manganese? Name the largest manganese-ore producing state of India.

17.

Mention any three characteristics of ferrous group of minerals found in India.

18.

Distinguish between anthracite and bituminous coal.

19.

Distinguish between the following in not more than 30 words.
(a)Ferrous and non-ferrous minerals
(b)Conventional and non-conventional sources of energy.

Generic 2

5 x 2 = 10

20.

Where is an experimental geothermal energy project located in India?

21.

Which type of coal is most popular for commercial use?

22.

In which state are the Bailadila mines located?

23.

Name the finest quality or iron ore with magnetic qualities.

24.

Which mineral is largely derived from the ocean water?

Generic 5

2 x 5 = 10

25.

Classify resources into two groups on the basis of exhaustibility. Mention the characteristics of each.

26.

Explain the importance of conservation of minerals. Highlight any three measures to conserve therm.

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Answers Key:

Multiple Choice Question

9 x 1 = 9

(b)
70%

(d)
Bromine

(b)
gobar gas plants

(a)
Gujarat

(a)
Atomic energy

(a)
Copper

(b)
Bauxite

(b)
bauxite

Generic 3

10 x 3 = 30

10.

Following are the three phases by which the treatment of industrial effluents can be done.
(a) Primary treatment by mechanical means-this involves screening, grinding flocculation and sedimentation.
(b) Secondary treatment by biological process.
(c) Tertiary treatment by biological, chemical and physical processes. This involves recycling of waste water.

11.

Petroleum is the other major energy source in India after coal. Following are the reasons for its importance:
(a) It provides fuel for heat and lighting.
(b) It is used as a lubricant for machinery.
(c) It also serves as raw materials for a number of manufacturing industries such as synthetic fibres, plastics, detergents, chemicals etc.
(d) It can be easily handled and carried through pipelines.

12.

About half of the iron-ore produced in the country is exported primarily to Japan, Korea, European countries and Gulf countries. Paradip, Vishakhapatnam, Mangalore and Marmagao are the main iron ore exporting ports. Export of good quality ores in large quantities has positive as well as negative effects.
(a)The export of the ore earns huge quantities of foreign exchange which is imperative for developmental activities.
(b)The export of good quality ores has a negative effect on industrial production within the country which lags in production of iron and steel in spite of having good reserves of iron ore.

13.

The three impacts of mining on the health of the miners are:
(i) Problems in lungs due to the dust and fumes inhaled by the workers
(ii) Roofs collapse
(iii) Flooding and fires are a constant threat to miners.

14.

a) Mica a mineral made up of a series of plates or leaves.
b) It splits easily into thin sheets. These sheets can be so thin that a thousand can be layered into a mica sheet of a few centimetres high.
c) Mica can be clear, black, green, red yellow or brown.
d) It has excellent di-electric strength, low power loss factor, insulating properties and resistance to high voltage.any three]

15.

(a) Uses of petroleum as an energy resource:
(i) It is used as fuel for internal combustion engines in automobiles.
(ii) It is used as fuel for railways and aircrafts.
(iii) It provides fuel for heat and lighting.
(b) Uses of petroleum as an industrial raw material.
(i) It is used as lubricant for machinery.
(ii) It is used as raw material for a number of manufacturing industries, for example, chemical industry.
(iii) Its numerous by-products are used in petrochemical industries such as fertilizer, synthetic rubber, synthetic fibre, medicines, vaseline wax, soap, cosmetics etc

16.

Manganese is used in the manufacturing of:
(i) Steel (nearly 10 kg of manganese is required to manufacture 1 tonne of steel).
(ii) Ferro-manganese alloy
(iii) Bleaching powder
(iv) Insecticides and paints
Odisha (Orissa) is the largest producer of manganese ore in India.

17.

S.No	Ferrous Minerals	Non-ferrous Minerals
1.	It accounts for about three fourths of the total value of the production of metallic minerals	India reserves and production are not satisfactory.
2.	They provide strong base for the development of metallurgical industries.	They provide strong base for the metallurgical, engineering and electrical industries.
3.	India exports ferrous minerals to japan and south cores after meeting the internal demands.	Copper and bauxite are found in Madhya Pradesh and Odisha respectively.
4.	It includes iron ore, manganese, nickel, cobalt etc.	It includes copper, bauxite, zinc, lead etc.

18.

S.No	Anthracite Coal	Bituminous Coal
1.	It is the best quality of coal	It is second quality coal
2.	It contains 90-95?% carbon	It contains 60-80% carbon

19.

(i) The differences between ferrous and non-ferrous mineral are

Ferrous Minerals	Non-ferrous Minerals
The minerals which contain iron ore are known as ferrous minerals.	The minerals which do not contain iron ore are known as non-ferrous minerals.
These are helpful in the development of metallurgical industries.	These play an important role in engineering and electrical industries.
Iron ore, chromite, cobalt, etc are the examples of ferrous minerals.	Copper, zinc, lead and aluminium are the examples of non-ferrous minerals.

(ii) The differences between conventional and non-conventional sources of energy are

Conventional Sources of Energy	Non-conventional Sources of Energy
They have been used since a long time.	These are of recent origin and have not been commonly used.
They are non-renewable and exhaustible sources of energy.	These are renewable sources of energy.
Wood, fuel, coal, petroleum, etc are some examples.	Wind, tidal energy, solar energy, etc are some of the examples.
These sources pollute the environment.	These sources are pollution free sources.

Generic 2

5 x 2 = 10

20.

An experimental geo-thermal energy project is located in the Puga valley-Ladakh.

21.

Bituminous coal is most popular for commercial use

22.

The Bailadila mines are located in the state of Chhattisgarh

23.

Magnetite is the finest quality of iron ore with magnetic qualities

24.

Magnesium is largely derived from the ocean water.

Generic 5

2 x 5 = 10

25.

Renewable Resources	Non-renewable Resources
(i) Its flow is unlimited	(i) Its supply is limited
(ii) It is environment friendly	(ii) It is not environment friendly
(iii) Its initial installation cost is high but economical in the long run	(iii) Its installation cost is comparitively low but expensive in the long run.

26.

Conservation of mineral resources are essential due to the following reasons
1. Minerals are required in many industries. So it is important to use them carefully as it is needed everywhere.
2. Minerals are already in limited quantities and they are non-renewable resources. Their reserves are fast depleting
3. Lot of economic developmental plans have been possible due to the presence of certain minerals. So to continue those developmental plans and projects, judicious use of minerals is needed.
The three methods to conserve the minerals are
(i) Better and improved technology should be used to reduce wastage of minerals during extraction.
(ii) Minerals and metals made out of those minerals should be recycled wherever possible.
(iii) Scrap metals and substitutes of metals should be used wherever possible.