Environment

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

A. Recycling plastic

B. Uncontrolled industrial waste dumping

C. Tree planting

D. Sustainable farming

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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. Air pollution

D. Land pollution

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

A. Burning more coal

B. Cutting down trees

C. Using public transportation and renewable energy sources

D. Increasing fossil fuel use

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4. Which international day is dedicated to environmental awareness?

A. Forest Conservation Day

B. Wildlife Day

C. World Environment Day

D. Earth Day

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

A. Air conditioning

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

C. Opening windows

D. Using LED lights

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6. How does deforestation impact the environment?

A. Increases carbon dioxide levels and loss of biodiversity

B. Prevents soil erosion

C. Improves air quality

D. Reduces global temperature

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

A. Organic farming

B. Planting trees

C. Excessive use of pesticides and industrial waste

D. Natural rainfall

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

A. Increases fish population

B. Prevents coral bleaching

C. Reduces carbon footprint

D. Ingestion of plastic leads to death and habitat destruction

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9. What is the major source of water pollution?

A. Wind erosion

B. Natural rainfall

C. Industrial waste and sewage discharge

D. Cloud formation

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

A. Prevents erosion

B. Reduces soil fertility and kills beneficial organisms

C. Improves soil structure

D. Increases crop yield

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

A. Chlorofluorocarbons (CFCs)

B. Nitrogen (N?)

C. Oxygen (O?)

D. Hydrogen (H?)

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12. How does improper waste disposal affect the environment?

A. Lowers CO? emissions

B. Improves biodiversity

C. Reduces deforestation

D. Causes soil, water, and air contamination

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13. What is the main cause of desertification?

A. Increased rainfall

B. Sustainable irrigation

C. Overgrazing, deforestation, and poor land management

D. Organic farming

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14. Which organization monitors global environmental changes?

A. NASA

B. Greenpeace

C. World Bank

D. United Nations Environment Programme (UNEP)

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15. Which pollutant is most responsible for global warming?

A. Argon (Ar)

B. Hydrogen (H?)

C. Nitrogen (N?)

D. Carbon dioxide (CO?)

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

A. Improves fish population

B. Prevents hurricanes

C. Reduces ocean temperature

D. Kills marine life and disrupts ecosystems

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

A. Sulfur dioxide (SO?)

B. Nitrogen (N?)

C. Methane (CH?)

D. Oxygen (O?)

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18. How do wetlands help in environmental conservation?

A. Destroy habitats

B. Increase global temperature

C. Filter pollutants and prevent flooding

D. Reduce ocean currents

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19. What is the purpose of afforestation?

A. Restore forests and increase carbon absorption

B. Decrease air circulation

C. Increase industrial growth

D. Reduce ocean currents

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

A. Vehicle emissions and industrial activities

B. Wildlife migration

C. Natural disasters

D. Solar radiation

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21. How does noise pollution affect human health?

A. Increases immune response

B. Reduces mental alertness

C. Causes stress, hearing loss, and sleep disturbances

D. Improves lung function

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

A. Plastic dumping

B. Fossil fuel burning

C. Soil erosion

D. Sewage treatment

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

A. Using plastic bags

B. Cutting down more trees

C. Increasing industrial waste

D. Installing air filters and scrubbers

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

A. Filtration

B. Eutrophication

C. Coagulation

D. Aeration

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