geography - mineral and power resources

Class 8 - Geography

Mineral and Power Resources

Q&A
Question:

Give one advantage of biogas over natural gas.

Answer:

Biogas is a renewable source of energy whereas the amount of natural gas is limited.

 



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Questions and Answers


Mineral and Power Resources - Questions
1.

What is natural gas?


Answer
2.

Describe the mineral distribution in North America.


Answer
3.

Write common uses of minerals.


Answer
4.

Give a brief note on mining.


Answer
5.

Write a brief note on salt.


Answer
6.

Mention a few minerals and their uses.


Answer
7.

What do the 3Rs stand for in context with conservation of natural resources?


Answer
8.

What are the two main classifications of power resources?


Answer
9.

What is biogas?


Answer
10.

What is biogas?


Answer
11.

Name any three common minerals used by you every day.


Answer
12.

Give Reason for Environmental aspects must be carefully looked into before building huge dams.


Answer
13.

Distinguish between Biogas and natural gas


Answer
14.

Tick the correct answer.
(i) Which one of the following is not a characteristic of minerals?
(a) They are created by natural processes.
(b) They have a definite chemical composition.
(c) They are inexhaustible.
(d) Their distribution is uneven.
(ii) Which one of the following is not a producer of mica?
(a) Jharkhand (b) Karnataka
(c) Rajasthan (d) Andhra Pradesh
(iii) Which one of the following is a leading producer of copper in the world?
(a) Bolivia (b) Ghana
(c) Chile (d) Zimbabwe
(iv) Which one of the following practices will not conserve LPG in your kitchen?
(a) Soaking the dal for some time before cooking it.
(b) Cooking food in a pressure cooker.
(c) Keeping the vegetables chopped before lighting the gas for cooking.
(d) Cooking food in an open pan kept on low flame.


Answer
15.

Give reasons.
(i) Environmental aspects must be carefully looked into before building huge dams.
(ii) Most industries are concentrated around coal mines.
(iii) Petroleum is referred to as "black gold".
(iv) Quarrying can become a major environmental concern.


Answer
16.

Why are petroleum and its derivatives called "black gold"?


Answer
17.

Which was the first country to develop hydroelectricity ?


Answer
18.

Give one advantage of biogas over natural gas.


Answer
19.

Write common uses of minerals.


Answer
20.

Name and describe some non- conventional sources of energy.


Answer
21.

What are the classifications of minerals?


Answer
22.

What is an ore? Where are the ores of metallic minerals generally located?


Answer
23.

Name two regions rich in natural gas resources.


Answer
24.

Which sources of energy would you suggest for (a) rural areas (b) coastal areas (c) Arid Regions?


Answer
25.

Answer the following questions.
(i) Name any three common minerals used by you every day.
(ii) What is an ore? Where are the ores of metallic minerals generally located?
(iii) Name two regions rich in natural gas resources.
(iv) Which sources of energy would you suggest for
(a) rural areas (b) coastal areas (c) arid regions
(v) Give five ways in which you can save energy at home.


Answer
26.

State whether each of the following statements is true (T) or false (F).
(i) All ores are rocks but all rocks are not minerals.
(ii) Quarrying is good for the environment.
(iii) Mineral fuels like coal and petroleum are found in sedimentary strata.
(iv) Coal is more predominant in Canadian Shield Region than Appalachians.
(v) Chile and Peru are leading producers of copper.
(vi) Kolar in Karnataka has large deposits of silver.
(vii) Copper is an element used in almost everything.
(viii) Bauxite is the ore of aluminium.
(ix) Nuclear power can be produced from the nuclei of most elements.


Answer
27.

Name and describe briefly methods of extraction.


Answer
28.

What is Hydel power?


Answer
29.

What is wind power?


Answer
30.

Give reason for Most industries are concentrated around coal mines.


Answer
31.

Name nuclear power stations in India.


Answer
32.

Distinguish between Conventional and non conventional sources of energy


Answer
33.

Distinguish between Ferrous and nonferrous minerals


Answer
34.

Why are petroleum and its derivatives called "black gold"?


Answer
35.

Where are minerals found?


Answer
36.

How are mineral extracted from earth?


Answer
37.

Name the different rocks that minerals occur in?


Answer
38.

Give five ways in which you can save energy at home.


Answer
39.

Match the items given in Column I correctly with those given in Column II.
ncert-solutions-for-class-8-geography-social-science-minerals-and-power-resources-2


Answer
40.

Define quarrying.


Answer
41.

Name the leading tin producers in Asia.


Answer
42.

Name two areas in Australia, which have large deposits of gold.


Answer
43.

Why is coal called "buried sunshine"?


Answer
44.

Name some important hydel power stations in India.


Answer
45.

Name and describe briefly methods of extraction.


Answer
46.

How is hydroelectricity, produced?


Answer
47.

What is a mineral?


Answer
48.

Give reason for Petroleum is referred to as “black gold”.


Answer
49.

Quarrying can become a major environmental concern.


Answer
50.

Pick the Correct Asnwer
(a) Which one of the following is NOT a characteristic of minerals?
(i) They are created by natural processes
(ii) They have a definite chemical composition
(iii) They are inexhaustible
(iv) Their distribution is uneven
(b) Which one of the following is NOT a producer of mica?
(i) Jharkhand (ii) Karnataka (iii) Rajasthan (iv) Andhra Pradesh
(c) Which one of the following is a leading producer of copper in the world?
(i) Bolivia (ii) Ghana (iii) Chile (iv) Zimbabwe
(d) Which one of the following practices will NOT conserve LPG in your kitchen?
(i) Soaking the dal for some time before cooking it
(ii) Cooking food in a pressure cooker
(iii) Keeping the vegetables chopped before lighting the gas for cooking
(iv) Cooking food in an open pan kept on low flame


Answer
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