NCERT class 8 Geography chapter 1 question answer

Social Science Resource and development

 

Chapter -1     “Resource”

Exercises:

1. Answers the following questions.

(i) Why are resource Distributed unequally over the earth?

(ii) What is resource conservation?

(iii) Why are human resources important?

 (iv) What is sustainable development?

 

Ans. (i) The distribution of resources depends upon a number of physical factors like terrain, climate and   altitude. Since these factors differ so much over the earth, the distribution of resource is unequal.

(ii) Using resources carefully and giving them time to get renewed is called conservation.

(iii) People are human resources and human resources are important because people can make best uses of nature to create more resource by applying knowledge, skill and technology.

(iv) Balancing the need to use resources and also conserve them for the future is called sustainable development. In other words, carefully utilizing resource so that besides meeting the present requirements it also takes care of the need of future generations is what is known as sustainable development.

 

2. Tick the correct answer.

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

              (a) Utility                   (b) Value           (c) Quantity

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

          (a) Medicines to treat cancer

          (b) Spring water

          (c) Tropical forests

   (iii) Complete the statements.

        Non-renewable resources are-

          (a) Those which have limited stock

          (b) Made by human beings

          (c) Derived from non-living things

Ans.   (i) (C) Quantity

          (ii) (a) Medicines to treat cancer

          (iii) (a) Derived from non-living things

3. Activity

      “Rahiman paani raakhiye,

        Bin paani sab soona,

        Pani gaye na ubere

        Moti, manus, choon….”  

        [Says Rahim, keep water, as without water there is nothing. Without water pearl, swan and dough cannot exist.]

The lines were written by the Abdur Rahim khankhana, one of the nine games of Akbar’s court. What kind of resource disappeared?

1. Different between Potential and Actual

Ans:

Potential resource	Actual resource
A resource whose entire quantity is not known.	A resource whose quantity is known.
Not being used at present, but could be cloud be used in the future	Being used in the present.
The present level of technology is not advanced enough to utilize it.	The present level of technology is advanced enough to utilize it.
Example : the uranium found in Ladakh, which could be used in the future.	Example: the dark soils of the deccan plateau in Maharashtra.

2. Ubiquitous and localized resources

Ans:

Ubiquitous resource	Localized resource
A resource which is found everywhere.	Aresource which is found only in certain places.
Example: The air we breathe.	Example: Copper.

Written By : Gagan Kumar