10th CBSE Social Science Unit 4 Minerals and Energy Resources Important Question Paper | QB365

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10th CBSE Social Science Unit 4 Minerals and Energy Resources Important Question Paper

Published on: 29/07/2019

Minerals and Energy Resources

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Std: 10th Standard CBSE - Social Science

chapter: - Model Question paper

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Questions:

Generic 3

3 x 3 = 9

Differentiate between conventional and non-conventional source of energy with example

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

Why does solar energy in Rajasthan have greater potential as non-conventional source of energy?

Generic 2

7 x 2 = 14

What are placer deposits?

Which region of India is almost devoid of economic minerals?

What are ores?

Which mineral is largely derived from the ocean water?

Name the types of metallic minerals

What are conventional source of energy?

10.

What are commercial sources of energy?

Generic 5

3 x 5 = 15

11.

What is a mine? Name the different types of mining prevalent in India. What is rat-hole mining and where in India in this type of mining done?

12.

Name the areas which have rich deposits of coal. What are the three major forms of coal? Write main features of each form.

13.

Name any three major iron ore belts found in India. Write main features of each.

Multiple Choice Question

4 x 1 = 4

14.

What is low grade brown coal called?

(a)

Bituminous

(b)

Anthracite

(c)

Lignite

(d)

None of these

15.

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

(a)

Atomic energy

(b)

Firewood

(c)

Coal

(d)

Natural gas

16.

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

17.

Which out of the following minerals is formed as a result of evaporation in the arid regions?

(a)

Gypsum

(b)

Zinc

(c)

Coal

(d)

Copper

Generic 10 Maps

1 x 10 = 10

18.

Observe and study the following map showing distribution of minerals. Write the names of states where mica mines are located

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Answers Key:

Generic 3

3 x 3 = 9

S.No	Conventional Source of Energy	Non-conventional Source of Energy
1.	Used since ages.	New technology
2.	They are exhaustible except hydel power.	They inexhaustible.
3.	They create pollution.	They are pollution-free and eco-friendly.
4.	It is expensive.	It is a cheaper source
5.	Limited availability except water	Abundant availability.
6.	Non-dependable source of energy.	Future energy resources

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.

(a)Hot and dry region
(b)Clear sky almost whole year
(c)Cheaper installation
(d)Renewable and pollution free energy source.
(e)Government motivation

Generic 2

7 x 2 = 14

Certain minerals may occur as alluvial deposits in the sands of the valley floors and the base of hills. These deposits are called 'placer deposits'

The alluvial plains of north India are devoid of economic minerals

The term ore is used to describe an accumulation of any mineral mixed with other elements. Minerals are usually found in ores.

Magnesium is largely derived from the ocean water.

Metallic minerals are of two types
(a) ferrous minerals
(b) Non-Ferrous minerals

Coal, Petroleum, Natural gas and electricity

10.

Coal, Petroleum, Natural gas, Hydro electricity and Nuclear energy.

Generic 5

3 x 5 = 15

11.

When the extraction of a mineral from its deposit or reserve becomes economically viable, that deposit is termed as a mine. The concentration of minerals in the ore, the ease of extraction and closeness to the market are important considerations to select a reserve to be a mine for extraction of the mineral. The different types of mining prevalent in India are as under.
(a) Open-pit mining or open-cast mining.
(b) Underground mining or deep-shaft mining.
(c) Rat-hole mining.
(d) Quarrying.
(e) Drilling (for obtaining mineral oil or petroleum).
Rat-hole mining is a local form of coal mining prevalent in tribal areas of the north-east where some minerals like coal, iron ore, limestone and dolomite are owned by individuals and communities. In Jowai and Cherrapunji in Meghalaya, coal mining is done by family members of the tribal community in the form of a long narrow tunnel. This is known as rat-hole mining.

12.

The Peninsular plateau region, especially the Damodar Valley Region of Jharkhand and West Bengal, the Son, Mahanadi, Godavari and Wardha Valleys of Madhya Pradesh, Chhattisgarh, Odisha, Maharashtra and Andhra Pradesh have rich deposits of Gondwana coal. In the north-eastern states of Meghalaya, Assam, Arunachal Pradesh and Nagaland, tertiary coal is found. In Tamil Nadu, lignite deposits are found. The three major forms of coal are Anthracite, Bituminous and Lignite. Anthracite is the highest quality of coal with more than 80 per cent carbon content and very low moisture content. It is hard, compact and deep-black in colour. It is found in the Jharia coalfields of Jharkhand in a small quantity. Bituminous is the most widely used coal. High grade bituminous coal is used in metallurgical industries, especially for melting iron in blast furnaces. So it is also known as metallurgical coal. Bituminous coal contains 60 to 80 per cent carbon, low moisture, and has high heating capacity. It is formed when coal has been buried deep and subjected to increased temperatures. It is found in large quantities in the Jharia coalfield, of Jharkhand and Raniganj coalfield of West Bengal. Lignite contains about 60 per cent carbon and has high moisture content. It is a low grade brown coal which is soft and has low heating capacity. It is used in thermal power stations. Principal reserves are found in Neyveli in Tamil Nadu.

13.

(a) Odisha- Jharkhand Belt:
Badampahar mines in the Mayurbhanj and Kendujhar districts of Orissa have high grade hematite ore. Additionally, hematite iron ore is mined in Gua and Noamundi in Singhbhum district of Jharkhand.
(b) Durg- Bastar-ChandrapurBelt:
This belt lies in Chhattisgarh and Maharashtra. The Bailadila range of hills in the Bastar district of Chhattisgarh has very high grade hematite ore. This hilly range as 14 deposits of super high grade hematite ore. Iron from these mines is exported to Japan and South Korea via Vishakapatnam port.
(c) Bellary-Chitradurga-Chikmaglur- Tumkur Belt:
This belt lies in Karnataka. The Kudremukh mines located in the Western Ghats are a 100 percent export unit. The ore from these mines is transported as slurry through a pipeline to a port near Mangalore.
(d) Maharashtra-Goa Belt:
This belt includes the state of Goa and Ratnagiri district of Maharashtra. The ores in these mines are not of very high quality. They' are exported through Marmagao port.

Multiple Choice Question

4 x 1 = 4

14.

15.