Question

Geography mineral and water resources 0 important questions

Answer 1

Question .1. Give three examples of metallic and three examples of non-metallic minerals?
Answer : Metallic minerals:-(i) Copper (ii) Silver (iii) Gold (iv) Iron (v) Manganese (vi) Tin.
Non-metallic minerals:-(i) Limestone (ii) Mica (iii) Coal (iv) Potash (v) Nitrate (vi) Dolomite (vii) Gypsum (viii) Petroleum.

Question .2. Name four important iron ore producing states of India?
Answer : (i) Chhattisgarh (ii) Orissa (iii) Jharkhand (iv) Goa.

Question .3. Name four manganese ore producing states of India?
Answer : (i) Maharastra (ii) Orissa (iii) Madhya Pradesh (iv) Karnataka

Question .4. Name four bauxite producing states?
Answer : (i) Jharkhand (ii) Gujarat (iii) Maharastra (iv) Orissa.

Question .5. Name three states which are known for the production of mica.?
Answer : (i) Jharkhand (ii) Bihar (iii) Andhra Pradesh.

Question .6. What are conventional sources of energy?
Answer : The sources of energy used on a large scale are conventional sources of energy. These are : wood, coal, petroleum, hydroelectricity and natural gas.

Question .7. What are commercial sources of energy?
Answer : The commercial sources of energy are: coal, petroleum, natural gas, hydroelectricity and nuclear energy. In India 60% of energy are obtained by commercial energy.

Question .8. Name six non-commercial sources of energy?
Answer : (i) Fire wood (ii) Cowdung (iii) Biomass (iv) Charcoal (v) Tidal (vi) Geothermal.

Question .9. Name three most important coal producing states of India?
Answer : (i) Jharkhand (ii) West Bengal (iii) Orissa.

Question .10. Mention three areas where petroleum is found in India?
Answer : (i) Assam (ii) Gujarat (iii) Mumbai High.

Question .11. Differentiate between metallic and non-metallic minerals?
Answer :

Metallic Minerals

Non-Metallic Minerals

1. These occur in igneous rocks.

1. These are found in sedimentary rocks.

2. The rocks have crystalline structure.

2. The rocks are stratified.

3. These are found in impure form, ores.

3. These are found in pure form.

4. These are malleable and ductile.

4. These are brittle.

5. These shine, e.g. iron, copper, silver, etc.

5. These are dull, e.g. coal, salt, etc.

Question .12. Differentiate between Commercial and Non-Commercial energy?
Answer :

Commercial Energy

Non-Commercial Energy

1. These are coal, petroleum, natural gas, hydroelectricity and nuclear energy.

1. These are firewood, charcoal, cowdung and agricultural wastes.

2. It is used on a large scale.

2. It is used on a small scale.

3. All are exhaustible resources and cause pollution except hydroelectricity.

3. These are inexhaustible resources of energy and do not cause any pollution.

Question .13. Differentiate between conventional sources of energy and Non-conventional sources of energy?
Answer :


Conventional sources of energy.

Non-conventional sources of energy.

1. These have been used for some time.

1. These have been recently developed.

2. These are expensive in the long run.

2. These are cheaper in the long run.

3. These are used extensively.

3. These are used locally.

4. Coal, petroleum, natural gas and hydroelectricity.

4. Solar, wind, tidal, geothermal, atomic energy and Biogas.

Question .14. Differentiate between Anthracite and Bituminous coal?
Answer :

Anthracite coal

Bituminous coal

1. It has more than 80% carbon.

1. It has 60% to 80% carbon.

2. It is black, hard and compact.

2. It is less black, hard and compact.

3. It is the best quality of coal.

3. It is medium quality of coal.

4. It is scarcely available.

4. It is widely available.

5. Found only in Jammu and Kashmir.

5. Found in Chhatisgarh, Jharkhand, West Bengal, Orissa.

Question .15. Differentiate between Natural gas and Biogas?
Answer :

Natural gas

Biogas

1. It is associated with or without petroleum.

1. It is obtained by the decomposition of organic matter.

2. Used in urban areas.

2. Used in rural areas.

3. Exhaustible.

3. Inexhaustible.

4. Non-replenishable.

4. Replenishable.

5. Used for domestic and industrial purposes.

5. Used for domestic purposes only.

6. Gives less thermal energy. 

6. Gives higher thermal energy.

Question .16. Where is the largest wind farm located?
Answer : Tamil Nadu.

Question .17. Where is the largest solar farm located? State some uses of solar energy?
Answer : Madhapur near Bhuj to sterlise milk cane. 
Uses of solar energy:-
(i) domestic light 
(ii) street light
(iii) solar cookers 
(iv) space heating 
(v) water heating 
(vi) room heating.

Question .18. State the name of minerals in which India is self sufficient and in which poor?
Answer : Self sufficient in – iron and mica. Poor in – copper, gold, lead and zinc.











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