Class 8 Exam > Class 8 Notes > Social Science Class 8 - New NCERT > Unit Test: Natural Resources and Their Use
Unit Test: Natural Resources and Their Use | Social Science Class 8 - New NCERT PDF Download
Time: 1 Hour
M.M.: 30
Attempt all questions.
Question numbers 1 to 4 carry 1 mark each.
Question numbers 5 and 6 carry 2 marks each.
Question numbers 7 to 10 carry 3 marks each.
Question numbers 11 and 12 carry 5 marks each.
Q1. What are natural resources?
(a) Man-made materials
(b) Materials found in nature useful to humans
(c) Plastic products
(d) Manufactured goods
Q2. Two examples of renewable resources are ____________ and ____________.
Q3. Coal and petroleum are renewable resources. True or False?
Q4. What is meant by “exploitation” of natural resources?
(a) Protecting natural resources
(b) Using and consuming natural resources
(c) Making more natural resources
(d) Ignoring natural resources
Q5. Explain why technological accessibility and economic feasibility are important conditions for a natural element to become a resource.
Q6. What are ecosystem services? Give one example.
Ecosystem
Q7. Describe the differences between renewable and non-renewable resources with two examples each.
Q8. How do human activities like industrialization and deforestation affect natural cycles and climate?
Q9. Explain how traditional practices help in sustainable soil management.
Q10. What is the Natural Resource Curse? Explain how India manages to avoid this issue.
Q11. Discuss the importance of the International Solar Alliance (ISA) and India's role in promoting renewable energy globally.
Solar Panels
Q12. Categorize natural resources based on their use, giving examples of essential, material, and energy resources, and describe why each category is important.
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FAQs on Unit Test: Natural Resources and Their Use - Social Science Class 8 - New NCERT
| 1. What are natural resources and why are they important for human survival? |  |
Ans.Natural resources are materials or components that can be found in the environment and are used by humans for various needs. They are classified into renewable resources, like sunlight and wind, which can be replenished naturally, and non-renewable resources, like coal and oil, which exist in finite quantities. These resources are crucial for human survival as they provide essential needs such as food, water, energy, and raw materials for shelter and transportation.
| 2. How do human activities impact natural resources? | |
Ans.Human activities significantly impact natural resources through over-exploitation, pollution, and habitat destruction. For instance, deforestation for agriculture reduces biodiversity and disrupts ecosystems. Industrial activities can lead to air and water pollution, which depletes natural resources and harms wildlife. Sustainable practices are essential to mitigate these impacts and ensure that resources are available for future generations.
| 3. What are the different types of renewable and non-renewable resources? | |
Ans.Renewable resources include solar energy, wind energy, hydropower, biomass, and geothermal energy. These resources can be replenished naturally over time. Non-renewable resources include fossil fuels like coal, oil, and natural gas, as well as minerals such as iron and copper. These resources are finite and cannot be replaced once consumed, making their sustainable management crucial.
| 4. What measures can be taken to conserve natural resources? | |
Ans.Conserving natural resources can involve a variety of measures, such as practicing recycling and waste reduction, using energy-efficient appliances, promoting sustainable agriculture, and protecting natural habitats. Education and awareness about the importance of conservation can also encourage individuals and communities to adopt sustainable practices, thus reducing the strain on natural resources.
| 5. What role do governments play in the management of natural resources? | |
Ans.Governments play a vital role in managing natural resources through legislation, regulation, and policy-making. They establish laws to protect resources, promote sustainable development, and control pollution. Additionally, governments can invest in renewable energy projects and conservation programs to ensure that resources are used responsibly and remain available for future generations.
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