NCERT Solutions for CBSE Class 8 Social Science Chapter 23 – Free PDF Download
Free PDF download of NCERT Solutions Social Science Class 8 Solutions Chapter 23 – Resources solved by Expert Social Science Teachers on CoolGyan.Org. All Chapter 23 – Resources Questions with Solutions for NCERT to help you to revise complete Syllabus and Score More marks.
Science Revision Notes for Class 8
| Chapter Name | Resources |
| Chapter | Chapter 23 |
| Class | Class 8 |
| Subject | Social Science NCERT Solutions |
| Board | CBSE |
| TEXTBOOK | NCERT |
| Category | NCERT Solutions |
NCERT SOLVED
1. Answer the following questions.
(i) Why are resources distributed unequally over the earth?
Ans: The distribution of resources depends upon a number of physical factors like terrain, climate and altitude. All these factors are not same everywhere and vary from place to place on the earth. Hence, the distribution of resources is unequal.
(ii) What is resource conservation?
Ans: Resource conservation means using resources carefully and giving them time to get renewed.
(iii) Why are human resources important?
Ans:
- People are human resources and human resources are important because they can make the best uses of nature to create more resources.
- Also, the development of other resources solely depend upon human resources as they do so by applying knowledge, skill and technology.
(iv) What is sustainable development?
Ans: 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.
2. Tick the correct answer.
(i) Which one of the following does NOT make substance a resource?
(a) utility (b) value (c) quantity
Ans: (c) Quantity
(ii) Which one of the following is a human made resource?
(a) medicines to treat cancer
(b) spring water
(c) tropical forests
Ans: (a) Medicines to treat cancer
(iii) Complete the statement.
Biotic resources are
(a) derived from living things
(b) made by human beings
(c) derived from non-living things
Ans: (a) Derived from living things
3. Differentiate between the followings.
(a) Potential and actual resources
Ans:
| Sr No. | Potential resource | Actual resource |
| 1. | A resource whose entire quantity is not known. | A resource whose quantity is known. |
| 2. | They are not being used at present. | They are being used in the present. |
| 3. | As technology improves their use in future is possible. | Available technology is used to use these resources. |
| 4. | The present level of technology is not advanced enough to utilise it. | The present level of technology is advanced enough to utilise it. |
| 5. | The uranium found in Ladakh, which could be used in the future is an example of potential resource | The dark soils of the Deccan plateau in Maharashtra Rich deposits of coal in Ruhr region of Germany is an example of actual resources. |
(b) Ubiquitous and localised resources
Ans:
| Sr. No. | Ubiquitous resource | Localised resource |
| 1. | A resource which is found everywhere. | A resource which is found only in certain places. |
| 2. | Its presence is not governed by physical conditions. | Its presence is governed by physical conditions. |
| 3. | The air we breathe is an example of ubiquitous resources | Mineral like Copper is an example of localised resources. |