CHAPTER 1 RESOURCES QUESTION ANSWERS


 

 

 

 

BOOK : RESOURCES AND DEVELOPMENT

CHAPTER 1 RESOURCES QUESTION ANSWERS

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Page No: 6

Excercises

Q1. Answer the following questions.

(i) Why are resources distributed unequally over the Earth?

Answer 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 resources is unequal.
(ii) What is resource conservation?

Answer Using resources carefully and giving them time to get renewed is called resource conservation.
(iii) Why are human resources important?

Answer People are human resources and human resources are important because people can make the best uses of nature to create more resources by applying knowledge, skill and technology.
(iv) What is sustainable development?

Answer Balancing the need to use resources and also conserve them for the future is called sustainable development. In other words, carefully utilizing resources so that besides meeting the present requirements it also takes care of the need of future generations is what is known as sustainable development.
Q2. Tick the correct answer.

(i) Which one of the following does not make a substance a resource?
(a) Utility
(b) Value
(c) Quantity
► (c) Quantity

(ii) Which one of the following is a human-made resource?
(a) Medicines to treat cancer
(b) Spring water
(c) Tropical forests
► (a) Medicines to treat cancer

(iii) Biotic resources are
(a) Derived from living things
(b) Made by human beings
(c) Derived from non-living things
► (a) Derived from living things
Q3. Differentiate between the following.

(a) Potential and actual resources
(b) Ubiquitous and localised resources
Answer

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 used in the future Being used in the present
The present level of technology is not advanced enough to utilise it The present level of technology is advanced enough to utilise it
Example: The uranium found in Ladakh, which could be used in the future Example: The dark soils of the Deccan plateau in Maharashtra

 

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

 

 

 

 

 

Important Links:

CLASS 8 Subjects list

CLASS 8 BOOKS DOWNLOAD

CLASS 8 SOCIAL STUDIES book wise ALL Chapter list

RESOURCES NOTES

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