Class 10 Science MCQs - Sources of Energy

Topics:What is a good source of energy conventional and nonconventional sources of energy

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1. The increase in the concentration of harmful chemical in a food chain is called.

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2. Which of the following are environment-friendly practices?

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3. Ozone layer absorbs

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4. The organisms which can prepare their own food are called

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5. Depletion of ozone is mainly due to

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6. The main cause of Greenhouse effect is ............ .

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7. Man made ecosystem is ………

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8. Ozone layers protects the earth from ............. Rays.

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9. Which of the following is not a natural ecosystem?

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10. Which of the following groups contain only non-biodegradable items?

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11. The organisms which breakdown complex organic substances into simple inorganic substances and mix them in the soil: $\quad$

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12. Which of the following constitute a food chain?

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13. Natural ecosystem

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14. Which of the following is not an abiotic component of ecosystem?

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15. Which of the following is a group of only non-biodegradable substances?

Class 10 Science MCQs | Sustainable Management of Natural Resources

The chapter on Sustainable Management of Natural Resources is a crucial part of the Class 10 Science syllabus. It focuses on the importance of conserving natural resources and the methods to manage them sustainably.

Introduction to Sustainable Management

Sustainable management of natural resources involves using resources in a way that meets the needs of the present without compromising the ability of future generations to meet their own needs. This includes practices like reducing waste, recycling, and using renewable resources.

Types of Natural Resources

  • Renewable Resources: These are resources that can be replenished naturally over time, such as solar energy, wind energy, and biomass.
  • Non-Renewable Resources: These resources are finite and cannot be replenished once they are depleted, such as fossil fuels and minerals.
Diagram showing renewable and non-renewable natural resources.

Conservation of Natural Resources

Conservation involves the careful management of natural resources to prevent their depletion. This can be achieved through various methods:

  • Reduce: Minimizing the use of resources to decrease waste.
  • Reuse: Using items multiple times before discarding them.
  • Recycle: Processing used materials to make new products.

Importance of Sustainable Management

Sustainable management is essential for maintaining ecological balance and ensuring that natural resources are available for future generations. It also helps in reducing pollution and conserving biodiversity.

Relevance to Class 10 Science and CBSE Exams

This chapter is highly relevant for Class 10 Science students as it covers key concepts that are frequently tested in CBSE exams. Understanding sustainable management practices is crucial for answering questions related to environmental conservation and resource management.

By mastering the content of this chapter, students will be better prepared for their Class 10 Science exams and will develop a stronger understanding of how sustainable practices can impact our world. The keywords such as "sustainable management," "renewable resources," "conservation," and "natural resources" should be seamlessly woven into their answers to demonstrate comprehensive knowledge.