Practice Test

Question #1888

Which of the following is considered a renewable resource?

Coal

Petroleum

Sunlight

Natural Gas

Question #1889

Why is it important to conserve natural resources?

To increase pollution

To ensure availability for future generations

To make them disappear faster

To reduce the cost of resources for current use

Question #1890

Which gas makes up the largest percentage of air in our atmosphere?

Oxygen

Carbon Dioxide

Nitrogen

Argon

Question #1891

What is the primary role of carbon dioxide in the atmosphere for plants?

To help them breathe

To help them produce food through photosynthesis

To help them grow tall

To protect them from harmful UV rays

Question #1892

Which human activity is a major cause of air pollution?

Planting trees

Using public transport

Burning fossil fuels in vehicles and factories

Composting organic waste

Question #1893

What are the main stages of the water cycle?

Melting, Freezing, Boiling, Condensation

Evaporation, Condensation, Precipitation, Collection

Drinking, Washing, Bathing, Cleaning

Flowing, Standing, Still, Running

Question #1894

What percentage of the Earth's water is freshwater, which is suitable for drinking?

About 97%

About 70%

About 3%

About 50%

Question #1895

Which method helps conserve water by collecting and storing rainwater?

Dumping waste into rivers

Rainwater harvesting

Excessive use of sprinklers

Leaving taps open

Question #1896

Which layer of soil is generally the most fertile and rich in organic matter?

Bedrock

Subsoil

Topsoil

Parent rock

Question #1897

What is soil erosion?

The formation of new soil

The movement of soil from one place to another by natural forces

The process of adding nutrients to the soil

The growth of plants in the soil

Question #1898

How do forests help in conserving soil?

By increasing soil erosion

By making the soil infertile

By holding the soil with their roots and slowing down water flow

By burning leaves and branches on the soil

Question #1899

What is "biodiversity"?

The total amount of water on Earth

The variety of plant and animal life in a particular habitat or on Earth

The amount of pollution in the atmosphere

The types of rocks found in a region

Question #1900

What is the practice of planting new trees in deforested areas called?

Deforestation

Afforestation

Pollution

Erosion

Question #1901

National parks and wildlife sanctuaries are established primarily for what purpose?

To build new cities

To protect and conserve wildlife and natural habitats

To extract minerals and fossil fuels

To promote deforestation

Question #1902

Which of the following is a non-metallic mineral?

Iron ore

Gold

Limestone

Copper

Question #1903

How are fossil fuels like coal, petroleum, and natural gas formed?

From rapid cooling of volcanic lava

From the remains of ancient plants and animals buried under layers of earth for millions of years

From the direct conversion of sunlight into fuel

From the accumulation of freshwater in lakes

Question #1904

Which of these is an example of an alternative energy source to fossil fuels?

Coal

Natural Gas

Solar energy

Petrol

Question #1905

What is the difference between biodegradable and non-biodegradable waste?

Biodegradable waste is expensive, non-biodegradable is cheap.

Biodegradable waste can be broken down naturally by microorganisms, while non-biodegradable waste cannot.

Biodegradable waste is always solid, non-biodegradable is always liquid.

Biodegradable waste is recyclable, non-biodegradable waste is not.

Question #1906

Which of the "3 Rs" of waste management helps to reduce the amount of new materials we consume?

Recycle

Reuse

Reduce

Repair

Question #1907

What is the process of converting organic waste into nutrient-rich soil called?

Incineration

Landfilling

Composting

Recycling

Question #1908

Which of these resources is crucial for all forms of life and covers about 71% of the Earth's surface?

Air

Land

Water

Forests

Question #1909

What is the major source of oxygen in the atmosphere?

Respiration by animals

Photosynthesis by plants

Volcanic eruptions

Burning of fossil fuels

Question #1910

Which of the following describes "sustainable development"?

Using up all resources as quickly as possible

Meeting the needs of the present without compromising the ability of future generations to meet their own needs

Ignoring environmental concerns for economic growth

Developing only urban areas and neglecting rural regions

Question #1911

Which part of the water cycle involves water turning into vapour and rising into the air?

Condensation

Precipitation

Evaporation

Collection

Question #1912

Why is topsoil considered very important for agriculture?

It is made of solid rock and supports buildings.

It contains minerals like gold and silver.

It is rich in humus and nutrients essential for plant growth.

It prevents water from soaking into the ground.

Question #1913

Deforestation mainly leads to:

Increase in rainfall

Increase in biodiversity

Soil erosion and loss of wildlife habitats

Reduction in global warming

Question #1914

Which waste management strategy involves turning used items into new products?

Reduce

Reuse

Recycle

Refuse

Question #1915

Why are fossil fuels considered non-renewable resources?

They are constantly being formed at a fast rate.

They are found in very large quantities and will never run out.

They take millions of years to form and exist in limited quantities.

They can be easily replaced by sunlight and wind.

Question #1916

What is the most significant consequence of water scarcity?

Increased water prices for everyone

Lack of sufficient clean water for drinking, agriculture, and sanitation

More leisure time due to less farming

Improved quality of life for all citizens

Question #1917

Which gas is vital for animals and humans to breathe?

Carbon Dioxide

Nitrogen

Oxygen

Argon

Question #1918

What is a common method to prevent soil erosion in hilly areas?

Clear-cutting forests

Overgrazing by livestock

Terrace farming or contour ploughing

Building concrete roads on slopes

Question #1919

What does "Biomass" refer to as a renewable resource?

Energy from burning plastic waste

Energy from the sun

Energy from plant and animal waste

Energy from deep within the Earth

Question #1920

What is the primary benefit of waste segregation at source (separating waste at home)?

It makes the garbage heavier.

It mixes all types of waste together for easier disposal.

It allows for efficient recycling and composting, reducing landfill waste.

It creates more landfills.

Question #1921

Which natural resource is primarily used for generating electricity in thermal power plants?

Wind

Solar energy

Coal

Water (hydroelectric)

Natural Resources and Their Conservation

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