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NCERT Solutions for Geography Class 8
NCERT Class 8 Social Science Chapter Wise Solutions
History
- How When and Where
- From Trade to Territory
- Ruling the Countryside
- Tribals Dikus and the Vision of a Golden Age
- When the People Rebel
- Colonialism and the City
- Weavers Iron smelters and Factory owners
- Civilising the Native Educating the Nation
- Women Caste and Reform
- The Changing World of Visual Arts
- The Making of the National Movement 1870s 1947
- India After Independence
Political Science
- The Indian Constitution
- Understanding Secularism
- Why do we Need a Parliament
- Understanding Laws
- Judiciary
- Understanding Our Criminal Justice
- Understanding Marginalisation
- Confronting Marginalisation
- Public Facilities
- Law and Social Justice
Geography
- Resources
- Land Soil Water Natural Vegetation and Wild Life Resources
- Mineral and Power Resources
- Agriculture
- Industries
- Human Resources
1. Answer the following questions.
(ii) What is resource conservation?
Ans: Resource conservation means using resources carefully and giving them time to get renewed.
(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
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. |