Mineral and Power Resources (Chapter-3)

Q.20 Write in brief the conservation of mineral and power resources. 

Q.19 Distinguish between metallic and nonmetallic minerals. 

Q.18 Write a note on non conventional sources of energy. 

Q.17 How can we conserve the mineral and power resources? 

Q.16 What are conventional sources of energy? 

Q.15 Quarrying can become a major environmental concern-Comment 

Q.14 What is geothermal energy ? Where is the geothermal plant setup in India ?

Q.13 What is solar energy ? How can it be trapped ?

Q.12 Which countries are the largest consumer of copper, Aluminium and Nickel ?

Q.11 Why are coal, mineral oil and natural gas called fossil fuels ?

Q.10 What is recycling ?

Q.9   List the alternative source of enrgy

Q.8   What is a mine ?

Q.7   Name the source of power ?

Q.6   What are minerals ?

Q.5   Name at least three producers of copper, bauxite, mica, manganese, gold and petroleum in the world.

Q.4   Write a brief account of mineral resources in India. 

Q.3   How can we save energy in our homes? Give four ways. 

Q.2   What are the important characteristics of minerals? 

Q.1   Why is crude mineral oil called the 'black gold'? 

Give Answer The Following

Q.1   It is necessary to develop non-conventional sources of energy.

Q.2   Hydel power is important for the growth and development of industries.

Q.3   Minerals need to be conserved for sustainable development.

Q.4   Quarrying has become a major environmental concern. 

Distinguish Between The Following

Q.1   Rocks and Minerals

Q.2   Natural gas and Biogas

Q.3   Ferrous and Non-ferrous minerals

Q.4   Metallic and Non-metallic minerals

Distinguish Between The Following

Q.1   Rocks and Minerals

Q.2   Natural gas and Biogas

Q.3   Ferrous and Non-ferrous minerals

Q.4   Metallic and Non-metallic minerals

Choose The Correct Answer

Q.1   In India, gold is mined in

          (A) Rewa           (B) Kolar

          (C) Kollam

Q.2   Which of the following is not a metallic mineral?

          (A) Gypsum      (B) Copper

          (C) Iron

Q.3   Which of the following is not a method of mining?

          (A) Quarrying   (B) Drilling

          (C) Splitting

Q.4   Which of the following countries has the largest reserves of iron ore?

          (A) Russia         (B) USA

          (C) China

Q.5   Which of the following is not a conventional source of energy?

          (A) Petroleum   (B) Hydel Power

          (C) Biogas

Q.6   Which of the following is an important iron mining centre in India?

          (A) Neyveli       (B) Bailadila

          (C) Khetri

Q.7   Which one of the following is not a characteristic of minerals ?

          (A) The are created by natural process

          (B) They have a define chemical composition

          (C) They are inexhaustible

          (D) Their distribution is uneven

Q.8   Which one of the following is not a producer of mica ?

          (A) Jharkhand   (B) Rajasthan      

          (C) Karnataka    (D) Andhra Pradesh

Q.9   Which one of the following is a leading producer of copper in the world ?

          (A) Bolivia                     (B) Chile

          (C) Ghana                       (D) Zimbabwe

Q.10 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 vegetable chopped before lighting the gas for cooking

          (D)Cooking food in an open pan kept on low flame

Q.11 Which is a non metallic mineral 

          (A) Zirconium   (B) Bauxite

          (C) Lead             (D) Diamond

Q.12 Limestone is found is

          (A) Sedimentary rocks

          (B) Metamorphic rocks

          (C) Igneous rocks

          (D) Place deposits

Q.13 Reserves of Copper are in India are found in

          (A) Madhya Pradesh      (B) Jharkhand 

          (C) Gujarat                      (D) Maharashtra

Q.14 Most of the energy consumed in the world today is produced by

          (A) Mineral oil  (B) Wind

          (C) Water                        (D) solar

Q15  Which country has the largest reserves of mineral oil ?

          (A) Mexico                     (B) Libya

          (C) Saudi Arabia            (D) Nigeria

Q.16 How much world's electricity is produced by hydel power ?

          (A) 1/3               (B) 1/4

          (C) 1/2               (D) 1/5

Fill  In The Blanks

Q.1   The minerals are__________and non-renewable resources.

Q.2   The metallic minerals are mostly found in ________rocks.

Q.3   Mica is a__________of electricity.

Q.4   The first oil well was drilled in 1859 AD in __________and USA. 

Name Any Three Each Of The Following

Q.1   Metallic minerals

Q.2   Non-metallic minerals

Q.3   Ferrous minerals

Q.4   Non-ferrous minerals

Q.5   Main types of mining

Q.6   Conventional sources of energy

State True Or False

Q.1   Rocks in the lithosphere have a fixed chemical composition.

Q.2   All the minerals have their own characteristics.

Q.3   The non-metallic minerals are found in the sedimentary rocks.

Q.4   Firewood is the main non-conventional source of energy. 

Learn These Trems

1.  Mineral : A naturally occurring substance, which has a definite chemical composition

2.  Mining : The process or method of extracting minerals from the earth's crust

3.  Ores : The rocks from which minerals are extracted

4.  Fossil fuels : The power resources like coal and petroleum which were formed from dead organic substances

5.  Nuclear fission : A process in which a nucleus is splitted into smaller ones releasing a huge amount of energy 

Distinguish between the following.

(i) Conventional and non-conventional sources of energy

(ii) Biogas and natural gas

(iii) Ferrous and non-ferrous minerals

(iv) Metallic and non-metallic minerals

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.

Tick the correct answer.

(i) Which one of the following is nota characteristic of minerals?

(ii) Which one of the following is nota producer of mica?

(iii) Which one of the following is a leading producer of copper in the world?

(iv) Which one of the following practises will notconserve LPG in your kitchen?

Answer the following questions.

(i) Name any three common minerals used by you everyday.

(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.