Everyday Science

Climate Change & Global Warming MCQs With Answer

Which gas is the primary contributor to global warming?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen

Answer
B) Carbon dioxide

Which human activity contributes the most to greenhouse gas emissions?
A) Fishing
B) Deforestation
C) Mining
D) Urbanization

Answer
B) Deforestation

Which international agreement aims to combat climate change?
A) Kyoto Protocol
B) Geneva Convention
C) Montreal Agreement
D) Maastricht Treaty

Answer
A) Kyoto Protocol

What is the primary cause of the greenhouse effect?
A) Decrease in oxygen levels
B) Increase in greenhouse gases
C) Movement of tectonic plates
D) Depletion of ozone layer

Answer
B) Increase in greenhouse gases

Which of the following is NOT a greenhouse gas?
A) Methane
B) Oxygen
C) Nitrous oxide
D) Water vapor

Answer
B) Oxygen

What is the main source of carbon dioxide emissions?
A) Agriculture
B) Burning fossil fuels
C) Nuclear power plants
D) Wind energy

Answer
B) Burning fossil fuels

Which sector is the largest contributor to global carbon emissions?
A) Transportation
B) Energy production
C) Agriculture
D) Waste management

Answer
B) Energy production

What effect does global warming have on sea levels?
A) Causes them to drop
B) No change
C) Causes them to rise
D) Causes random fluctuations

Answer
C) Causes them to rise

Which region is experiencing the fastest rate of ice melting?
A) Amazon rainforest
B) Sahara Desert
C) Arctic
D) Australian Outback

Answer
C) Arctic

What renewable energy source produces the least greenhouse gases?
A) Coal
B) Solar
C) Natural gas
D) Petroleum

Answer
B) Solar

Which gas has the highest heat-trapping ability per molecule?
A) Carbon dioxide
B) Methane
C) Nitrogen
D) Oxygen

Answer
B) Methane

Which natural event can temporarily cool the Earth’s temperature?
A) Earthquake
B) Volcanic eruption
C) Tsunami
D) Drought

Answer
B) Volcanic eruption

What is the main cause of ocean acidification?
A) Plastic pollution
B) Oil spills
C) Increased CO₂ absorption
D) Melting ice caps

Answer
C) Increased CO₂ absorption

What is the primary reason for deforestation?
A) Urbanization
B) Logging and agriculture
C) Mining activities
D) Wildlife conservation

Answer
B) Logging and agriculture

Which type of energy is NOT considered renewable?
A) Hydroelectric
B) Wind
C) Solar
D) Coal

Answer
D) Coal

Which of the following is a consequence of climate change?
A) More stable weather patterns
B) Lower sea levels
C) More frequent hurricanes
D) Decrease in global temperature

Answer
C) More frequent hurricanes

Which industry is the largest consumer of freshwater resources?
A) Technology
B) Agriculture
C) Transportation
D) Tourism

Answer
B) Agriculture

Which country emits the most carbon dioxide globally?
A) Canada
B) China
C) Germany
D) Brazil

Answer
B) China

Which greenhouse gas is released from cattle farming?
A) Carbon dioxide
B) Methane
C) Nitrogen oxide
D) Ozone

Answer
B) Methane

What is the term for long-term changes in temperature, precipitation, and weather patterns?
A) Weather
B) Global warming
C) Climate change
D) Greenhouse effect

Answer
C) Climate change

Which of the following is a strategy to reduce carbon emissions?
A) Burning more coal
B) Increasing deforestation
C) Planting trees
D) Using gasoline-powered vehicles

Answer
C) Planting trees

Which of these natural disasters is intensified by global warming?
A) Earthquakes
B) Tornadoes
C) Hurricanes
D) Volcanic eruptions

Answer
C) Hurricanes

Which phenomenon causes the bleaching of coral reefs?
A) Deforestation
B) Ocean acidification
C) Overfishing
D) Soil erosion

Answer
B) Ocean acidification

What is the goal of carbon trading?
A) Increase CO₂ emissions
B) Reduce greenhouse gas emissions
C) Promote fossil fuel use
D) Prevent deforestation

Answer
B) Reduce greenhouse gas emissions

Which type of pollution is most directly linked to climate change?
A) Air pollution
B) Noise pollution
C) Land pollution
D) Light pollution

Answer
A) Air pollution

Which is a major effect of melting polar ice caps?
A) Decreased ocean temperatures
B) Increased sea levels
C) Expansion of deserts
D) Decrease in carbon dioxide levels

Answer
B) Increased sea levels

What is the primary cause of the destruction of the ozone layer?
A) Carbon dioxide
B) Chlorofluorocarbons (CFCs)
C) Methane
D) Water vapor

Answer
B) Chlorofluorocarbons (CFCs)

Which practice can help mitigate climate change?
A) Using renewable energy sources
B) Deforestation
C) Burning more fossil fuels
D) Increasing industrial emissions

Answer
A) Using renewable energy sources

Which sector is most responsible for deforestation?
A) Education
B) Agriculture
C) Healthcare
D) Entertainment

Answer
B) Agriculture

Which renewable energy source is derived from the heat within the Earth?
A) Hydroelectric
B) Geothermal
C) Solar
D) Biomass

Answer
B) Geothermal

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