Question

D. Answer the following questions in brief.
1. "Utility and value of a resource vary from time to time and place to place. Give any three examples to
support the statement.
2. Why are human beings considered the most important resource for development?
3. Differentiate between biotic and abiotic resources. Give examples for each.
4. Why is there a need for resource planning? Give any three reasons.
5. Mention any six factors on which the utilisation of resources depend.
E. Answer the following questions.
1. 'Human needs and wants are neither uniform in all parts of the world nor static over the years.' Explain
the statement giving suitable examples.
2. Distinguish between renewable and non-renewable resources. Which one of the two would you prefer
to use and why?
3. What is meant by sustainable development? Why is sustainable development the need of the hour?
4. Describe the various basis of classification of resources with the help of examples.
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S.​

Answer 1

Ans.3Biotic resources- Resources which obtained from nature or biosphere are known as biotic resources.eg- solar energy,air.

Abiotic Resources-. Resources which are non living are known as abiotic resources.eg.- land, water.

Ans.4- 1 Most of our resources are limited in their supply.

2- Over use of many valuable resource has led to their degradation.

3- For the needs of future generations.

Ans.5- 1- Availability of resources.

2- Skills of human being

3- Availability of capital ( money)

4- Availability of water.

5- Advancement of technology.

6- Availability of transport and communication facilities etc.