Environmental Science and Sustainability MCQs (Part-12)

What is the main cause of ozone layer depletion?

A Methane emissions
B Chlorofluorocarbons (CFCs)
C Carbon dioxide emissions
D Water vapor

What is sustainable urban development focused on?

A Reducing pollution and enhancing quality of life
B Ignoring public transport
C Expanding industrial areas
D Increasing energy consumption

What is organic farming?

A Farming that focuses only on crop yield
B Farming that uses synthetic pesticides
C Farming with genetically modified organisms
D Farming that avoids chemical fertilizers and pesticides

What does “circular economy” aim to do?

A Increase consumption
B Encourage waste production
C Minimize waste and make the most of resources
D Promote the use of non-renewable resources

What is the primary goal of environmental ethics?

A To ignore sustainability
B To guide human interaction with the environment
C To promote pollution
D To exploit natural resources

What is the result of deforestation?

A Increased biodiversity
B Soil erosion
C Better air quality
D More fertile soil

What is hazardous waste disposal?

A Recycling materials without sorting
B Safely managing harmful waste materials
C Disposing of waste without regulation
D Increasing waste production

What does “ozone layer” protect us from?

A Airborne diseases
B Extreme temperatures
C Harmful ultraviolet radiation
D Earthquakes

Which of the following is an example of a non-renewable resource?

A Natural gas
B Biomass
C Solar energy
D Wind energy

What is the goal of sustainable farming practices?

A To use only chemical pesticides
B To maintain long-term soil health and productivity
C To maximize profit only
D To increase crop yields regardless of environmental impact

What is the impact of climate change on ecosystems?

A Reduced biodiversity
B Shifting ecosystems and species loss
C Stable weather patterns
D Increased crop yields

What does the term “carbon footprint” refer to?

A The size of a forest
B The carbon content in water
C The weight of carbon in the environment
D The amount of CO₂ emissions caused by human activities

What is the primary cause of air pollution?

A Industrial emissions and vehicle exhaust
B Greenhouse gases
C Wind energy
D Deforestation

Which of the following helps conserve water?

A Using excessive water for cleaning
B Water-efficient irrigation systems
C Over-watering crops
D Ignoring leaks

What is the main goal of reducing waste?

A To increase landfill use
B To produce more plastic
C To conserve natural resources and reduce pollution
D To promote consumption