Question

1.What is a mineral ? 1

2.What are fossil fuels? 1

3.What do you understand by buried sunshine? 1

4.Name two minerals from which nuclear energy is produced. 1

5.What are the raw materials used in biogas plants? 1

6.Where are the deposits of natural gas found in India? 1

7.Distinguish between :- 3

a)Metallic and non-metallic minerals

b)Conventional and non-conventional sources of energy.

8.What are the different ways in which geo-thermal energy has been used in

India? 3

9.What are the disadvantages of wind energy ? 3

10. What are the uses of minerals? 3

11.How are minerals distributed in North America? 3

12.Which mineral is known as black gold and why? 3

13.What is mining? What are the different types of mining? 5

14.Mention different ways of conserving minerals 5

15.What are the advantages and disadvantages of hydel power? 5

16.How is solar energy used to produce electricity? Write the uses of it. 5

17.Prepare a table on the distribution of important minerals in India. 5

18.How is biogas formed? Write its uses. 5

19.How do we obtain nuclear energy? Write its uses.

Answer 1

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Here is your answer***********
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1. Mineral is a substance that is naturally present in the earth and is not formed from animal or vegetable matter, for example gold and salt.

2. Fossil fuels are fuels such as coal or oil, that was formed over millions of years from the remains of animals or plants.