#1
Which of the following is a greenhouse gas?
Oxygen
Nitrogen
Carbon dioxide
Argon
#2
Which of the following is a major contributor to air pollution in urban areas?
Solar power plants
Automobile emissions
Wind energy farms
Geothermal power stations
#3
Which gas is responsible for the majority of global warming?
Methane
Nitrous oxide
Water vapor
Carbon dioxide
#4
What is the primary cause of the hole in the Earth's ozone layer?
Carbon dioxide emissions
Chlorofluorocarbons (CFCs)
Methane emissions
Nitrogen oxides
#5
What is the primary cause of the phenomenon known as the 'urban heat island'?
Increased vegetation
High-rise buildings
Excessive use of air conditioning
Low population density
#6
What is the main cause of deforestation?
Urbanization
Industrialization
Logging
Climate change
#7
What is ocean acidification primarily caused by?
Deforestation
Greenhouse gas emissions
Plastic pollution
Industrial waste
#8
What is the primary cause of the 'ozone hole' in the stratosphere?
Carbon dioxide emissions
Chlorofluorocarbons (CFCs)
Methane emissions
Nitrogen oxides
#9
What is the primary source of marine plastic pollution?
Fishing nets
Microplastics from cosmetics
Plastic straws
Industrial waste
#10
What is the primary driver of coral reef bleaching?
Decreased water temperature
Increased salinity
Air pollution
Rising sea temperatures
#11
Which of the following is a major source of indoor air pollution?
Air purifiers
Cooking stoves using solid fuels
Houseplants
Electric heaters
#12
Which of the following is a consequence of ocean acidification?
Increased coral growth
Enhanced shell formation in marine organisms
Harm to marine life with calcium carbonate shells
Reduced sea levels
#13
Which of the following is a consequence of eutrophication?
Increased biodiversity
Algal blooms
Reduced greenhouse gas emissions
Desertification
#14
What is the role of the ozone layer in the atmosphere?
Traps heat and causes global warming
Protects Earth from harmful ultraviolet (UV) radiation
Generates oxygen for living organisms
Regulates atmospheric pressure
#15
Which of the following is a key factor contributing to soil erosion?
Afforestation
Overgrazing
Cover cropping
Crop rotation
#16
What is the primary impact of melting ice caps on sea levels?
Decreased sea levels
Increased sea levels
No impact on sea levels
Formation of glaciers
#17
What is the main impact of biodiversity loss on ecosystems?
Increased resilience
Improved nutrient cycling
Decreased stability
Enhanced pollination
#18
Which of the following is a consequence of thermal pollution in water bodies?
Decreased oxygen levels
Increased biodiversity
Improved aquatic habitats
Promotion of fish breeding
#19
Which of the following is a greenhouse gas that has a higher warming potential than carbon dioxide?
Methane
Nitrous oxide
Water vapor
Ozone