CBSE NCERT solution | Class VIII Geography | Resources

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 Class 8 ncert Geography solutions 

           Resources

             EXERCISES

1. Answer the following questions. 

I) Why are resources distributed unequally over the earth? 


Ans: Resources are disturbed unequally over the earth because, it  depends upon numbers of physical factors like - terrain, climate and altitude  these factors varies from place to place. 


II) What is resource conservation? 


Ans: Careful uses of resources and giving them time to get renewed is called resource conservation. 


III)  Why are human resources important? 


Ans: Human resources are important because,human resource creates other resources by using their knowledge, skill and intelligence. 


IV) What is  Sustainable Development? 


Ans:  Sustainable development means " Utilisation of resources in such a way where the need of present generation will fulfill without compromising the need of future generations and the environment should not degrade. 


 2.Tick the correct answer. 

i) Which one of the following does not make substance a resource? 

a) utility    b) value        c) quantity

Ans: Quantity

ii)  which one  of the following is a human made resource? 

a) Medicine to treat cancer

b) spring water

c) tropical forests

Ans: Medicine to treat cancer

iii) complete the statement. Biotic resources are 

   a)  derived from living things

   b) made by human being

   c) derived from non-living things

Ans: derived from living things


3. Differentiate between the following

a)  Potential and actual resources

Ans:  Potential resources - i)  Potential resources are those resources whose entire quantity may not known and these are not being used at present. 

ii) These resources could be used in future. 

iii) EX: Uranium found in  Ladakh


         Actual resources- i)  actual resources are those resources whose quantity is known and currently in use. 

ii)  These are being used in Present. 

iii)  EX:The dark soils of the Deccan plateau in Maharashtra and coal deposit in Ruhr region of Germany. 


b) Ubiquitous and Localised resources


     Ubiquitous resources - i) Ubiquitous resources found everywhere. 

  ii) ex: Sunlight, Water, air etc


     Localised resources- i)  Localised resources are confined to  certain places or areas. 

  ii) ex:  minerals like iron ore, coal, gold, silver etc. 

                            *************


                Some Important Concept


  Biotic resources - All the living organisms are called biotic resources


 Abiotic resources - All the non living organisms are called abiotic resources


Renewable - The resources which are large in quantity and can reproduce again and again are called Renewable resources. 


Non-renewable - Those resources quantity are less in quantity and can't re produce again after it completion are called non Renewable resources. 


Natural resources-  Those resources which we directly get from nature are called natural resources. 


Human  made resource -  Resource what human being made by using their skills and knowledge are called humanmade resources. 


Human resources- The knowledge, skills, intelligence of the human being are called human resources. 


                      


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