What is the primary greenhouse gas responsible for climate change?
a) Carbon dioxide (CO2)
b) Methane (CH4)
c) Nitrous oxide (N2O)
d) Ozone (O3)
Answer: a) Carbon dioxide (CO2)
What is the process by which plants convert sunlight into chemical energy?
a) Photosynthesis
b) Respiration
c) Decomposition
d) Transpiration
Answer: a) Photosynthesis
What is the main source of water pollution in industrial areas?
a) Agricultural runoff
b) Oil spills
c) Industrial wastewater
d) Sewage discharge
Answer: c) Industrial wastewater
What is the term for the loss of a species from a particular habitat or from the entire planet?
a) Extinction
b) Endangerment
c) Overfishing
d) Deforestation
Answer: a) Extinction
What is the process by which fertile land turns into desert due to human activities or climate change?
a) Erosion
b) Desertification
c) Deforestation
d) Acidification
Answer: b) Desertification
What is the term for the gradual increase in the Earth’s average temperature?
a) Global warming
b) Ozone depletion
c) Acid rain
d) Greenhouse effect
Answer: a) Global warming
Which of the following is a non-renewable resource?
a) Wind energy
b) Solar energy
c) Natural gas
d) Biomass
Answer: c) Natural gas
What is the process by which pollutants accumulate in the tissues of organisms as they move up the food chain?
a) Biomagnification
b) Acidification
c) Eutrophication
d) Ozone depletion
Answer: a) Biomagnification
Which of the following is a major contributor to deforestation?
a) Mining
b) Urbanization
c) Logging
d) Fishing
Answer: c) Logging
What is the term for the release of harmful substances into the air, water, or soil?
a) Pollution
b) Conservation
c) Sustainability
d) Preservation
Answer: a) Pollution
Which of the following is a renewable source of energy?
a) Natural gas
b) Coal
c) Nuclear power
d) Solar power
Answer: d) Solar power
What is the main cause of ozone depletion in the upper atmosphere?
a) Carbon emissions
b) Deforestation
c) Acid rain
d) Chlorofluorocarbons (CFCs)
Answer: d) Chlorofluorocarbons (CFCs)
Which of the following is a major cause of marine pollution?
a) Deforestation
b) Oil spills
c) Nuclear accidents
d) Air pollution
Answer: b) Oil spills
What is the term for the gradual increase in the acidity of the Earth’s oceans?
a) Acid rain
b) Eutrophication
c) Desertification
d) Ocean acidification
Answer: d) Ocean acidification
What is the term for the practice of planting trees to restore or create forests?
a) Reforestation
b) Afforestation
c) Deforestation
d) Desertification
Answer: b) Afforestation
What is the primary cause of air pollution in urban areas?
a) Industrial emissions
b) Vehicle exhaust
c) Agricultural activities
d) Wildfires
Answer: b) Vehicle exhaust
What is the term for the gradual increase in the concentration of greenhouse gases in the Earth’s atmosphere?
a) Greenhouse effect
b) Acid rain
c) Ozone depletion
d) Global warming
Answer: d) Global warming
Which of the following is a major cause of soil erosion?
a) Overgrazing
b) Deforestation
c) Mining
d) Urbanization
Answer: a) Overgrazing
What is the term for the loss of a natural habitat due to human activities?
a) Overfishing
b) Pollution
c) Habitat destruction
d) Acid rain
Answer: c) Habitat destruction
Which of the following is a renewable source of freshwater?
a) Glaciers
b) Aquifers
c) Rivers
d) Oceans
Answer: c) Rivers
What is the term for the loss of biodiversity in a particular habitat or globally?
a) Pollution
b) Conservation
c) Extinction
d) Acid rain
Answer: c) Extinction
Which of the following is a major cause of water pollution in agricultural areas?
a) Oil spills
b) Industrial runoff
c) Sewage discharge
d) Pesticide runoff
Answer: d) Pesticide runoff
What is the term for the deliberate or accidental release of genetically modified organisms into the environment?
a) Pollution
b) Genetic engineering
c) Deforestation
d) Biotechnology
Answer: b) Genetic engineering
Which of the following is a major cause of deforestation in tropical rainforests?
a) Urbanization
b) Mining
c) Logging
d) Pollution
Answer: c) Logging
What is the term for the excessive growth of algae in bodies of water due to high nutrient levels?
a) Acid rain
b) Eutrophication
c) Desertification
d) Biomagnification
Answer: b) Eutrophication
Which of the following is a major cause of water pollution in coastal areas?
a) Oil spills
b) Industrial wastewater
c) Agricultural runoff
d) Acid rain
Answer: a) Oil spills
What is the term for the destruction or degradation of forests, primarily for commercial purposes?
a) Pollution
b) Conservation
c) Deforestation
d) Acid rain
Answer: c) Deforestation
Which of the following is a major cause of soil pollution?
a) Air pollution
b) Water pollution
c) Industrial emissions
d) Chemical fertilizers and pesticides
Answer: d) Chemical fertilizers and pesticides
What is the term for the process by which pollutants are washed from land into bodies of water?
a) Erosion
b) Leaching
c) Transpiration
d) Desalination
Answer: b) Leaching
Which of the following is a major cause of air pollution in rural areas?
a) Industrial emissions
b) Vehicle exhaust
c) Agricultural activities
d) Mining operations
Answer: c) Agricultural activities
What is the term for the process by which pollutants in the atmosphere combine with water vapor to form acids?
a) Acid rain
b) Ocean acidification
c) Eutrophication
d) Biomagnification
Answer: a) Acid rain
Which of the following is a major cause of habitat destruction in marine ecosystems?
a) Overfishing
b) Pollution
c) Coral bleaching
d) Ocean acidification
Answer: a) Overfishing
What is the term for the gradual increase in the Earth’s average surface temperature and its effects on climate patterns?
a) Global warming
b) Acid rain
c) Ozone depletion
d) Greenhouse effect
Answer: a) Global warming
Which of the following is a major cause of freshwater pollution?
a) Urbanization
b) Mining
c) Logging
d) Acid rain
Answer: a) Urbanization
What is the term for the reduction or elimination of the use of natural resources to ensure their availability for future generations?
a) Pollution
b) Conservation
c) Deforestation
d) Acid rain
Answer: b) Conservation
Which of the following is a major cause of soil pollution?
a) Air pollution
b) Water pollution
c) Industrial emissions
d) Chemical fertilizers and pesticides
Answer: d) Chemical fertilizers and pesticides
What is the term for the process by which pollutants are washed from land into bodies of water?
a) Erosion
b) Leaching
c) Transpiration
d) Desalination
Answer: b) Leaching
Which of the following is a major cause of air pollution in rural areas?
a) Industrial emissions
b) Vehicle exhaust
c) Agricultural activities
d) Mining operations
Answer: c) Agricultural activities
What is the term for the process by which pollutants in the atmosphere combine with water vapor to form acids?
a) Acid rain
b) Ocean acidification
c) Eutrophication
d) Biomagnification
Answer: a) Acid rain
Which of the following is a major cause of habitat destruction in marine ecosystems?
a) Overfishing
b) Pollution
c) Coral bleaching
d) Ocean acidification
Answer: a) Overfishing
