Environment

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1. How do wetlands help in environmental conservation?

A. Reduce ocean currents

B. Destroy habitats

C. Filter pollutants and prevent flooding

D. Increase global temperature

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2. Which type of pollution can be reduced by using catalytic converters in vehicles?

A. Noise pollution

B. Water pollution

C. Land pollution

D. Air pollution

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3. Which organization monitors global environmental changes?

A. NASA

B. World Bank

C. Greenpeace

D. United Nations Environment Programme (UNEP)

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4. What is the primary cause of air pollution in urban areas?

A. Solar radiation

B. Vehicle emissions and industrial activities

C. Natural disasters

D. Wildlife migration

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5. What is the main cause of indoor air pollution?

A. Indoor smoking, cooking with solid fuels, and poor ventilation

B. Opening windows

C. Using LED lights

D. Air conditioning

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6. How does noise pollution affect human health?

A. Increases immune response

B. Reduces mental alertness

C. Improves lung function

D. Causes stress, hearing loss, and sleep disturbances

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7. Which of the following is a major cause of soil pollution?

A. Natural rainfall

B. Excessive use of pesticides and industrial waste

C. Organic farming

D. Planting trees

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8. What is the main effect of plastic pollution on marine life?

A. Prevents coral bleaching

B. Reduces carbon footprint

C. Ingestion of plastic leads to death and habitat destruction

D. Increases fish population

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9. Which gas is the main contributor to acid rain?

A. Methane (CH?)

B. Nitrogen (N?)

C. Sulfur dioxide (SO?)

D. Oxygen (O?)

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10. What is the main reason for the depletion of the ozone layer?

A. Oxygen (O?)

B. Nitrogen (N?)

C. Hydrogen (H?)

D. Chlorofluorocarbons (CFCs)

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11. How does deforestation impact the environment?

A. Increases carbon dioxide levels and loss of biodiversity

B. Prevents soil erosion

C. Reduces global temperature

D. Improves air quality

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12. How does improper waste disposal affect the environment?

A. Improves biodiversity

B. Causes soil, water, and air contamination

C. Reduces deforestation

D. Lowers CO? emissions

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13. Which method is commonly used to reduce industrial air pollution?

A. Increasing industrial waste

B. Cutting down more trees

C. Installing air filters and scrubbers

D. Using plastic bags

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14. What is the best way to reduce air pollution?

A. Increasing fossil fuel use

B. Cutting down trees

C. Burning more coal

D. Using public transportation and renewable energy sources

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15. What is the purpose of the Clean Air Act?

A. Increase industrial emissions

B. Promote deforestation

C. Reduce water usage

D. Regulate air pollution and improve air quality

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16. Which international day is dedicated to environmental awareness?

A. Wildlife Day

B. World Environment Day

C. Earth Day

D. Forest Conservation Day

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17. Which process helps purify wastewater before releasing it into the environment?

A. Fossil fuel burning

B. Sewage treatment

C. Soil erosion

D. Plastic dumping

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18. Which human activity is a major cause of groundwater pollution?

A. Tree planting

B. Sustainable farming

C. Recycling plastic

D. Uncontrolled industrial waste dumping

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19. What is a major effect of oil spills in oceans?

A. Kills marine life and disrupts ecosystems

B. Improves fish population

C. Reduces ocean temperature

D. Prevents hurricanes

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20. Which pollutant is most responsible for global warming?

A. Carbon dioxide (CO?)

B. Argon (Ar)

C. Nitrogen (N?)

D. Hydrogen (H?)

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21. What is the main cause of desertification?

A. Organic farming

B. Sustainable irrigation

C. Overgrazing, deforestation, and poor land management

D. Increased rainfall

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22. What is the impact of pesticides on soil health?

A. Increases crop yield

B. Reduces soil fertility and kills beneficial organisms

C. Prevents erosion

D. Improves soil structure

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23. What is the term used for excessive nutrient pollution in water bodies?

A. Aeration

B. Filtration

C. Coagulation

D. Eutrophication

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24. What is the major source of water pollution?

A. Natural rainfall

B. Wind erosion

C. Industrial waste and sewage discharge

D. Cloud formation

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25. What is the purpose of afforestation?

A. Restore forests and increase carbon absorption

B. Increase industrial growth

C. Decrease air circulation

D. Reduce ocean currents

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