Class 10 Science: Environment Quiz

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Questions and Answers

What is the primary source of energy for most ecosystems?

  • Water
  • Sunlight (correct)
  • Wind
  • Fossil fuels

Which of the following is an example of a biotic component of the environment?

  • Rocks
  • Plants (correct)
  • Sunlight
  • Rain

Which of the following would be classified as a non-renewable resource?

  • Solar energy
  • Coal (correct)
  • Wood
  • Wind

What is the role of decomposers in an ecosystem?

<p>They break down dead organic matter into simpler substances (C)</p> Signup and view all the answers

Why is it important to conserve natural resources?

<p>To ensure a sustainable environment for future generations (D)</p> Signup and view all the answers

How does deforestation impact the environment?

<p>It leads to soil erosion and loss of habitat for wildlife (B)</p> Signup and view all the answers

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Study Notes

Energy Source and Ecosystem Components

  • The primary source of energy for most ecosystems is the sun.

Biotic Components

  • Examples of biotic components of the environment include plants, animals, fungi, and microorganisms.

Renewable and Non-Renewable Resources

  • Non-renewable resources are natural resources that cannot be replenished in a short period, such as fossil fuels, coal, and uranium.

Decomposers and Ecosystem Role

  • Decomposers, such as bacteria and fungi, play a crucial role in ecosystems by breaking down dead organic matter and recycling nutrients.

Importance of Conservation

  • Conserving natural resources is essential to maintain ecological balance, prevent depletion, and ensure their availability for future generations.

Deforestation Impact

  • Deforestation contributes to environmental degradation, loss of biodiversity, and climate change by releasing stored carbon into the atmosphere and removing carbon-absorbing forests.

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