Resources and Development(Important Question Answer) Class-10

Resources and Development     
Class-10             
Subject-Social

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Q1. "In India, some regions are rich in certain types of resources but deficient in some other resources." Do you agree with the statement? Support your answer with examples.

Ans.  

1. Yes, there are regions which are rich in certain types of resources but are deficient in some other resources. 

2. Jharkhand,  Chhattisgarh and Madhya Pradesh are rich in minerals and coal deposits.

3.  Arunachal Pradesh has an abundance of water sources but lacks in infrastructure development.

4. Rajasthan is endowed with solar and wind energy but lacks water resources.

5.  The cold desert of Ladakh is relatively isolated from the rest of the country.  It has a very rich cultural heritage but it is deficient in water infrastructure and some vital minerals.

Q2. Why is it essential to have resource planning?  Explain with examples.

Ans. 

1.  If the present trend of resource depletion by few individuals continues, the future of the planet is in danger.

2.  Planning is essential for the sustainable existence of all forms of life. 

3. Resource planning becomes extremely important in a country like India, which has enormous diversity in the availability of resources.

4.  Indiscriminate exploitation of resources has led to a global ecological crisis.

Q3. Suggest ways to conserve energy resources.

Ans.  In India their could be following ways to conserve energy sources in India:

1.  Promotion of energy conservation and increased use of renewable energy sources.

2.  Have to adopt a coutious approach to the judicious use of our limited energy resources. 

3. Use the public transport system instead of individual vehicles .

4. Switch off electricity when not in use.

5.  Using power saving devices.

6.  Use non-conventional sources of energy.

Q4. Explain the features of Alluvial soil.

Ans. 1. Alluvial soil is the most important soil type of India.

        2.  It consists of various proportions of sand, silt and clay.

        3.  It is of two types of Bhangar and Khadar.

       4.  It is mainly found in river valleys of Indus, Ganga and Brahmaputra.

        5.  It is also found in the eastern coastal plains.

      6. This  soil is ideal for the growth of wheat, paddy, sugarcane etc.

Q5. Explain the features of red soil.

 Ans. 1. It is formed due to weathering of igneous and metamorphic rocks.

 2. it is highly porous and less fertile but where it is deep, it is fertile.

  3.    It is less crystalline.  

  4.   It is red in color due to the presence of iron in it.

   5.  It is found in the parts of Tamil Nadu, Karnataka, Andhra Pradesh.

   6.  The main crops grown in it are tobacco, groundnuts, rice millets etc.

Q6. Explain the features of Laterite  soil.

Ans. 1.  It is formed by the leaching process in the topical areas of heavy rainfall.

         2.  It is less fertile because of loss of nutrients by the leaching process.

         3.  It is crystalline.

         4.  It is red in color due to little clay and much gravel or red sandstone.

         5.  It is found in the hills of Deccan, Karnataka, Assam and Meghalaya.

        6.  The main crops grown in it are rubber, coffee, millets and tea.

Q7. Explain the characteristics of black soil.

Ans. 1. Black soil is also known as regur soil.

        2.  it is made up of extremely fine i.e. material.

     3.  They are well known for their capacity to hold moisture.

     4.  This soil is typical of Deccan traps.

     5.  It is mainly found in Maharashtra, saurashtra, Madhya Pradesh and Chhattisgarh.

     6.  This soil is ideal for the growth of wheat, onions, sugarcane fruits etc.

Q8.  Describe the features of arid soil.

Ans. 1. Arid soil is generally sandy in texture and saline in nature.

        2.  It lacks humidity and moisture.

        3.  The lower horizons of the soil are occupied by kankar.

        4. The desert soil occurs in western Rajasthan, saurashtra, Kutch,  Western

Haryana and  Southern Punjab.

        5.  This soil lacks basic requirements for agriculture.

        6.  Crops like cotton, bajra, groundnut, wheat, maize can be grown with 

                  proper dose of fertilizers.

Q9.  Where is the forest soil found?  How does the texture vary according to the environment?

Ans.

Forest soil is found in the hilly and mountainous areas where rainforest are available. This soil texture is different depending on the mountain environment where they are found.

        1.  In the valley side the soil is loamy and silty.

        2.  It is coarse in the upper slopes.

        3.  In the snow covered area of Himalayas where there is very little vegetation 

              The soil is acidic with low humus content.

         4.  The soil found in the lower part of the valley is fertile.

         5.  The soil is suitable for planting tea, spices, tropical fruits etc.

Q10. 'Resource planning essential for sustainable existence' discussed.

Ans. 

Sustainable existence is a component for sustainable development  which aims at development without damaging the environment and at the same time conserving for future generations.

 Therefore resource planning is necessary for judicious rational and equitable distribution and proper utilization of resources.

 it has become essential for assistant quality of life and global peace..

Q11. What do you understand about conservation of resources? Why is it necessary to conserve our resources? give three reasons.

Ans.  

Conservation is judicious and land use of natural resources for sustainable benefit to the present generation. it also maintains the potential to meet the needs and aspirations of future generations.

 Three reasons for conservation of resources:A

1. Our Resources are limited in nature therefore they have to be used.

2.  Many  of their sources are non-renewable in nature therefore extra care has to be taken.

3.  Their conservation is necessary for our own sentence and for the ongoing economic development process.

Q12. Write any five human activities which have caused land degradation.

Ans.

1.  deforestation

2.  overgrazing 

3. mining activities- mining sites abandoned after excavation leaving deep  scars and traces of over burdening.

4.  mineral processing produces large quantities of dust in the atmosphere. which on settling down on land regards the process of infiltration of water into the soil.

5.  Over-gradation leads to water logging which increases salinity and alkalinity in the soil.

6.  industrial waste- such waste causes land and water pollution.

Q13. Write some measures / ways to solve the problem of land degradation.

Ans.  Measures to conserve land:-

1.  afforestation

2.  Proper management of grazing to control overgrazing.

3. Planting of shelterbelts of plants.

4. Stabilization of sand dunes by growing thorny bushes.

5. Control of mining activities.

6.  Proper discharge and disposal of industrial effluence and wastage after treatment.

7.  Proper management of westland.

8. Over irrigation specially in dry areas.

9.  Avoid overuse of fertilizers and pesticides.

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