Environment

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1. Which international day is dedicated to environmental awareness?

A. World Environment Day

B. Earth Day

C. Wildlife Day

D. Forest Conservation Day

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

A. Ingestion of plastic leads to death and habitat destruction

B. Increases fish population

C. Reduces carbon footprint

D. Prevents coral bleaching

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3. How does deforestation impact the environment?

A. Prevents soil erosion

B. Reduces global temperature

C. Increases carbon dioxide levels and loss of biodiversity

D. Improves air quality

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

A. Fossil fuel burning

B. Soil erosion

C. Sewage treatment

D. Plastic dumping

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5. What is the main cause of desertification?

A. Increased rainfall

B. Organic farming

C. Sustainable irrigation

D. Overgrazing, deforestation, and poor land management

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6. 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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7. What is the best way to reduce air pollution?

A. Using public transportation and renewable energy sources

B. Increasing fossil fuel use

C. Burning more coal

D. Cutting down trees

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

A. Planting trees

B. Organic farming

C. Excessive use of pesticides and industrial waste

D. Natural rainfall

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9. What is the major source of water pollution?

A. Natural rainfall

B. Cloud formation

C. Wind erosion

D. Industrial waste and sewage discharge

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

A. Installing air filters and scrubbers

B. Cutting down more trees

C. Increasing industrial waste

D. Using plastic bags

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11. How does noise pollution affect human health?

A. Causes stress, hearing loss, and sleep disturbances

B. Reduces mental alertness

C. Increases immune response

D. Improves lung function

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12. How do wetlands help in environmental conservation?

A. Filter pollutants and prevent flooding

B. Destroy habitats

C. Increase global temperature

D. Reduce ocean currents

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13. 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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14. What is the impact of pesticides on soil health?

A. Reduces soil fertility and kills beneficial organisms

B. Improves soil structure

C. Prevents erosion

D. Increases crop yield

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

A. Regulate air pollution and improve air quality

B. Reduce water usage

C. Promote deforestation

D. Increase industrial emissions

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16. Which pollutant is most responsible for global warming?

A. Hydrogen (H?)

B. Nitrogen (N?)

C. Carbon dioxide (CO?)

D. Argon (Ar)

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

A. Eutrophication

B. Aeration

C. Filtration

D. Coagulation

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

A. Hydrogen (H?)

B. Nitrogen (N?)

C. Oxygen (O?)

D. Chlorofluorocarbons (CFCs)

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

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

B. Air conditioning

C. Opening windows

D. Using LED lights

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

A. Uncontrolled industrial waste dumping

B. Sustainable farming

C. Tree planting

D. Recycling plastic

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

A. Oxygen (O?)

B. Nitrogen (N?)

C. Methane (CH?)

D. Sulfur dioxide (SO?)

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22. What is the purpose of afforestation?

A. Restore forests and increase carbon absorption

B. Reduce ocean currents

C. Decrease air circulation

D. Increase industrial growth

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

A. Reduces ocean temperature

B. Kills marine life and disrupts ecosystems

C. Improves fish population

D. Prevents hurricanes

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24. Which organization monitors global environmental changes?

A. World Bank

B. NASA

C. United Nations Environment Programme (UNEP)

D. Greenpeace

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25. How does improper waste disposal affect the environment?

A. Lowers CO? emissions

B. Causes soil, water, and air contamination

C. Improves biodiversity

D. Reduces deforestation

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