Class 9th: Natural Resources
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Questions and Answers

What is the primary function of the atmosphere as a natural resource?

  • Regulating the Earth's temperature
  • Supplying water for agriculture
  • Supporting construction activities
  • Providing oxygen for respiration (correct)

Which natural resource is essential for human consumption, agriculture, and industry?

  • Lithosphere
  • Atmosphere
  • Soil
  • Water (correct)

What is the lithosphere composed of?

  • Only rocks and minerals
  • Only air and water
  • Rocks, minerals, and soil (correct)
  • Only soil and living organisms

What is the role of biotic factors in the ecosystem?

<p>To play a crucial role in the functioning of the ecosystem (B)</p> Signup and view all the answers

Which natural resource is non-renewable?

<p>Fossil fuels (A)</p> Signup and view all the answers

What is sunlight used for?

<p>Essential for photosynthesis (D)</p> Signup and view all the answers

What is the primary use of soil as a natural resource?

<p>For agriculture (B)</p> Signup and view all the answers

What is the atmosphere composed of?

<p>Only nitrogen, oxygen, and carbon dioxide (B)</p> Signup and view all the answers

Which natural resource provides ecosystem services?

<p>Biotic factors (D)</p> Signup and view all the answers

What is the outer crust of the Earth composed of?

<p>Rocks, minerals, and soil (C)</p> Signup and view all the answers

What is the primary function of the atmosphere in regulating the Earth's temperature?

<p>It helps maintain a constant temperature (D)</p> Signup and view all the answers

Which natural resource is used for recreation and hygiene?

<p>Water (D)</p> Signup and view all the answers

What is the characteristics of fossil fuels as a natural resource?

<p>They are non-renewable (C)</p> Signup and view all the answers

What is the composition of soil?

<p>A mixture of minerals, organic matter, and living organisms (C)</p> Signup and view all the answers

What is the significance of biotic factors in the ecosystem?

<p>They provide ecosystem services (C)</p> Signup and view all the answers

What is the purpose of sunlight in the ecosystem?

<p>It is essential for photosynthesis (A)</p> Signup and view all the answers

What is the main component of the atmosphere that humans breathe?

<p>Oxygen (D)</p> Signup and view all the answers

What is the importance of natural resources in human life?

<p>They are used to fulfill human needs (A)</p> Signup and view all the answers

What is the characteristic of the lithosphere as a natural resource?

<p>It is made up of rocks, minerals, and soil (A)</p> Signup and view all the answers

What is the importance of water as a natural resource?

<p>It is essential for human consumption, agriculture, and industry (D)</p> Signup and view all the answers

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