Environmental Issues MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Environmental Issues MCQs for Preparation.
The student can clear their concepts for Environmental Issues online quiz by attempting it. Doing MCQs based Environmental Issues will help you to check your understanding and identify areas of improvement.
Environmental Issues Online MCQs with Answers
What is the primary greenhouse gas responsible for climate change?
a) Carbon dioxide (CO2)
b) Methane (CH4)
c) Nitrous oxide (N2O)
d) Ozone (O3)
What is the process by which plants convert sunlight into chemical energy?
a) Photosynthesis
b) Respiration
c) Decomposition
d) Transpiration
What is the main source of water pollution in industrial areas?
a) Agricultural runoff
b) Oil spills
c) Industrial wastewater
d) Sewage discharge
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
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
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
Which of the following is a non-renewable resource?
a) Wind energy
b) Solar energy
c) Natural gas
d) Biomass
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
Which of the following is a major contributor to deforestation?
a) Mining
b) Urbanization
c) Logging
d) Fishing
What is the term for the release of harmful substances into the air, water, or soil?
a) Pollution
b) Conservation
c) Sustainability
d) Preservation
Which of the following is a renewable source of energy?
a) Natural gas
b) Coal
c) Nuclear power
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)
Which of the following is a major cause of marine pollution?
a) Deforestation
b) Oil spills
c) Nuclear accidents
d) Air pollution
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
What is the term for the practice of planting trees to restore or create forests?
a) Reforestation
b) Afforestation
c) Deforestation
d) Desertification
What is the primary cause of air pollution in urban areas?
a) Industrial emissions
b) Vehicle exhaust
c) Agricultural activities
d) Wildfires
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
Which of the following is a major cause of soil erosion?
a) Overgrazing
b) Deforestation
c) Mining
d) Urbanization
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
Which of the following is a renewable source of freshwater?
a) Glaciers
b) Aquifers
c) Rivers
d) Oceans
What is the term for the loss of biodiversity in a particular habitat or globally?
a) Pollution
b) Conservation
c) Extinction
d) Acid rain
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
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
Which of the following is a major cause of deforestation in tropical rainforests?
a) Urbanization
b) Mining
c) Logging
d) Pollution
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
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
What is the term for the destruction or degradation of forests, primarily for commercial purposes?
a) Pollution
b) Conservation
c) Deforestation
d) Acid rain
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
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
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
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
Which of the following is a major cause of habitat destruction in marine ecosystems?
a) Overfishing
b) Pollution
c) Coral bleaching
d) Ocean acidification
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
Which of the following is a major cause of freshwater pollution?
a) Urbanization
b) Mining
c) Logging
d) Acid rain
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
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
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
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
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
Which of the following is a major cause of habitat destruction in marine ecosystems?
a) Overfishing
b) Pollution
c) Coral bleaching
d) Ocean acidification