solved exercise of chapter no 1 geography today 3 revised edition for class 8
Answers
Answer:
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Explanation:
1. Answer the following questions.
(i) Why are resources distributed unequally over the earth?
Answer: Earth has different topography, climate and altitude at different places. Difference in these factors has resulted in unequal distribution of resources over the earth. Also, all these factors are different from place to place on the earth. Moreover, the level of development and technological levels determine the distribution.
(ii) What is resource conservation?
Answer: Saving the resources for future generations is called conservation. It is the protection and ethical use of valuable resources such as minerals, water, trees, wildlife and others. Resource conservation basically focuses on maintaining the natural world in order to protect the sources of resources.
(iii) Why are human resources important?
Answer: Humans as a resource are important because they have the ability to extract value from all other resources. They can make the best use of nature to create more resources, as they have the knowledge, skill and technology to do so. Education and health help in making humans a valuable resource.
(iv) What is sustainable development?
Answer: Balancing the need to use resources and also conserving them for the future is called sustainable development. The future of our planet and its people is linked with our ability to maintain and preserve the life support system that nature provides. Sustainable development is when all renewable resources are used sustainably, the diversity of life on the earth is conserved, and the damage to the natural environmental system is minimised and saved for our future generations.
2. Tick the correct Answer
(i) Which one of the following does NOT make substance a resource?
Utility
Value
Quantity
Answer: 3 Quantity
(ii) Which one of the following is a human made resource?
Medicines to treat cancer
Spring water
Tropical forest
Answer:1 Medicine to treat cancer
(iii) Complete the following statement:
Biotic resources are …………..
Derived from living things
Made by human beings
Derived from non-living things
Answer:1 Derived from living things
Resources Summary
Chapter 1 of Resources and Development deals with various types of resources available for the existence on the earth.
Students will learn about human-made and natural resources and the current status of these resources.
The students will also get to know about the following topics:
Types of resources
The need for conservation of resources
Human-made resources
Resources and Development is an important book for the Class 8 Social Science subject. Apart from this