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20 Questions

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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?

To play a crucial role in the functioning of the ecosystem Signup and view all the answers

Which natural resource is non-renewable?

Fossil fuels Signup and view all the answers

What is sunlight used for?

Essential for photosynthesis Signup and view all the answers

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

For agriculture Signup and view all the answers

What is the atmosphere composed of?

Only nitrogen, oxygen, and carbon dioxide Signup and view all the answers

Which natural resource provides ecosystem services?

Biotic factors Signup and view all the answers

What is the outer crust of the Earth composed of?

Rocks, minerals, and soil Signup and view all the answers

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

It helps maintain a constant temperature Signup and view all the answers

Which natural resource is used for recreation and hygiene?

Water Signup and view all the answers

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

They are non-renewable Signup and view all the answers

What is the composition of soil?

A mixture of minerals, organic matter, and living organisms Signup and view all the answers

What is the significance of biotic factors in the ecosystem?

They provide ecosystem services Signup and view all the answers

What is the purpose of sunlight in the ecosystem?

It is essential for photosynthesis Signup and view all the answers

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

Oxygen Signup and view all the answers

What is the importance of natural resources in human life?

They are used to fulfill human needs Signup and view all the answers

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

It is made up of rocks, minerals, and soil Signup and view all the answers

What is the importance of water as a natural resource?

It is essential for human consumption, agriculture, and industry Signup and view all the answers