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Mineral and Energy Resources

Question
CBSEENGE12024123
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Describe three broad belts of minerals in India.

Solution

Three broad belts of minerals in India are described below:

(i) North-eastern plateau : It extends from Chhotanagpur plateau to Orissa plateau and eastern Andhra Pradesh. Chief minerals are iron ore, manganese, mica, bauxite, limestone and dolomite, coal, copper, etc.
 
(ii) South-western plateau : It is extended over plateaus of Karnataka and nearby Tamil Nadu plateau. Chief minerals are—iron ore, manganese and bauxite. All three gold mines are located in this belt.


(iii) North-western region : It extends from the gulf of Khambat to Aravali hills in Rajasthan. Chief minerals are petroleum and natural gas, copper, mica, bauxite, silver and zinc.

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Question
CBSEENGE12024125
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Describe the  features of the mineral belt of south-western plateau of India.

Solution

The South-Western Plateau: 


(i) This belt extends over Karnataka, Goa and contiguous Tamil Nadu uplands and Kerala.
(ii) This belt is rich in ferrous metals and bauxite. It also contains high-grade iron ore, manganese and limestone.
(iii) This belt packs in coal deposits except Neyveli lignite. This belt does not have as diversified mineral deposits as the north-eastern belt. 

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Question
CBSEENGE12024126
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Define ‘Bio-energy’. State the of significance of Bio-energy.

 

Solution

Bio-energy refers to energy derived from biological products which includes agricultural residues, municipal, industrial and other wastes.


The significance:
(i) Bioenergy is a potential source of energy conversion.
(ii) It can be converted into electrical energy, heat energy or gas for cooking.

(iii) It will also process the waste and garbage and produce energy.

(iv) This will improve economic life of rural areas in developing countries, reduce environmental pollution, enhance self-reliance and reduce pressure on fuel wood.

Question
CBSEENGE12024128
Wired Faculty App

Complete the following figure by writing the appropriate names of item no. 1 and 2:

Solution

1. Metallic minerals, 2. Non-metallic minerals.

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