Management of Natural Resources (NCERT Ch 16) MCQs Quiz | Class 10
This quiz covers Class X Science (Code 086) from the Unit: Additional (Portfolio/Not Assessed in Year-End), focusing on the Topic: Management of Natural Resources (NCERT Ch 16). It includes concepts relevant for portfolio work as per teacher notes. Attempt all 10 questions and submit to see your score, then download your answer PDF.
Understanding Management of Natural Resources
Natural resources are vital for human survival and development. They include everything from the air we breathe and the water we drink to the minerals we extract and the forests that provide timber and support biodiversity. However, these resources are finite, and their overuse or mismanagement can lead to severe environmental degradation and scarcity. Effective management ensures their availability for present and future generations, promoting sustainable development.
Key Concepts in Resource Management
The concept of resource management revolves around several critical principles:
- Renewable vs. Non-renewable Resources:
- Renewable: Resources that can replenish themselves naturally over a relatively short period (e.g., sunlight, wind, water, forests).
- Non-renewable: Resources that exist in finite quantities and take millions of years to form, making their replenishment rate negligible compared to human consumption (e.g., coal, petroleum, natural gas, minerals).
- Sustainable Development: This means meeting the needs of the present generation without compromising the ability of future generations to meet their own needs. It integrates economic, social, and environmental considerations.
- The 3 R’s: Reduce, Reuse, Recycle:
- Reduce: Minimizing the amount of waste generated.
- Reuse: Using items again instead of discarding them after a single use.
- Recycle: Processing used materials into new products to prevent waste of potentially useful materials.
- Conservation of Forests and Wildlife: Forests are biodiversity hotspots, crucial for oxygen production, soil conservation, and climate regulation. Wildlife protection is essential for maintaining ecological balance. Movements like the Chipko Andolan highlight community efforts in forest conservation.
- Water Resources: Water is a fundamental resource, but freshwater is limited. Issues include pollution, scarcity, and inefficient use. Rainwater harvesting, proper irrigation techniques, and preventing industrial discharge are key to water management. Large dams serve multiple purposes like electricity generation, irrigation, and flood control, but also have environmental and social impacts.
- Coal and Petroleum: These fossil fuels are non-renewable energy sources formed from ancient organic matter. Their combustion releases pollutants causing air pollution and contributing to global warming. Sustainable management involves finding alternative energy sources (solar, wind) and improving efficiency of use.
Types of Natural Resources
| Type of Resource | Description | Examples |
|---|---|---|
| Renewable | Can be replenished naturally | Sunlight, Wind, Water, Forests |
| Non-renewable | Finite, take millions of years to form | Coal, Petroleum, Natural Gas, Minerals |
Quick Revision Checklist
- Natural resources are essential for life and development.
- Sustainable management ensures resources for present and future.
- The 3 R’s (Reduce, Reuse, Recycle) are key to waste management.
- Forests and wildlife are vital for biodiversity and ecological balance.
- Water conservation through methods like rainwater harvesting is crucial.
- Fossil fuels are non-renewable; alternatives are needed.
- Community participation is important for conservation efforts (e.g., Chipko Andolan).
Practice Questions
Content created and reviewed by the CBSE Quiz Editorial Team based on the latest NCERT textbooks and CBSE syllabus. Our goal is to help students practice concepts clearly, confidently, and exam-ready through well-structured MCQs and revision content.