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Global Warming and Climate Change MCQs with Answer

What is the primary cause of global warming?
A) Volcanic eruptions
B) Deforestation and fossil fuel burning
C) Earth’s natural cooling cycle
D) Increased cloud cover

Answer
B) Deforestation and fossil fuel burning

Which gas is the most responsible for global warming?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Argon

Answer
C) Carbon dioxide

Which international agreement aims to combat climate change?
A) Kyoto Protocol
B) Paris Agreement
C) Geneva Convention
D) Bretton Woods Agreement

Answer
B) Paris Agreement

Which sector contributes the most to greenhouse gas emissions?
A) Transportation
B) Agriculture
C) Energy production
D) Tourism

Answer
C) Energy production

What is the main effect of global warming on sea levels?
A) Decrease in sea levels
B) No impact
C) Rise in sea levels
D) Increase in fresh water reserves

Answer
C) Rise in sea levels

Which of the following is a greenhouse gas?
A) Helium
B) Methane
C) Neon
D) Hydrogen

Answer
B) Methane

What is the main reason for coral bleaching?
A) Rising ocean temperatures
B) Increased fish populations
C) Lack of sunlight
D) Deep-sea mining

Answer
A) Rising ocean temperatures

Which renewable energy source is the most widely used worldwide?
A) Solar energy
B) Wind energy
C) Hydropower
D) Geothermal energy

Answer
C) Hydropower

Which region is experiencing the fastest rate of warming?
A) Antarctica
B) Amazon Rainforest
C) Arctic
D) Sahara Desert

Answer
C) Arctic

Which human activity contributes most to deforestation?
A) Urban gardening
B) Commercial agriculture
C) Space exploration
D) Wildlife conservation

Answer
B) Commercial agriculture

What is the primary goal of the Kyoto Protocol?
A) Reduce ozone layer depletion
B) Combat global warming by reducing emissions
C) Improve trade between countries
D) Strengthen nuclear energy policies

Answer
B) Combat global warming by reducing emissions

Which gas has the highest global warming potential (GWP)?
A) Carbon dioxide
B) Methane
C) Nitrous oxide
D) Hydrofluorocarbons (HFCs)

Answer
D) Hydrofluorocarbons (HFCs)

What is the main cause of ocean acidification?
A) Increased fish population
B) Rising CO₂ levels
C) Excessive rainfall
D) Oil spills

Answer
B) Rising CO₂ levels

Which practice helps reduce carbon emissions?
A) Increasing coal production
B) Using public transportation
C) Cutting down forests
D) Burning plastic waste

Answer
B) Using public transportation

Which country is the largest emitter of carbon dioxide?
A) India
B) USA
C) China
D) Germany

Answer
C) China

What is the term for long-term changes in temperature and weather patterns?
A) Global dimming
B) Climate change
C) Ocean circulation
D) Seismic activity

Answer
B) Climate change

Which of the following contributes to climate change the most?
A) Hydropower plants
B) Fossil fuel combustion
C) Reforestation
D) Eco-tourism

Answer
B) Fossil fuel combustion

Which international organization monitors climate change?
A) NATO
B) World Bank
C) Intergovernmental Panel on Climate Change (IPCC)
D) UNICEF

Answer
C) Intergovernmental Panel on Climate Change (IPCC)

Which phenomenon results from the trapping of heat in the Earth’s atmosphere?
A) Acid rain
B) Greenhouse effect
C) Ozone depletion
D) Solar flares

Answer
B) Greenhouse effect

What happens to glaciers due to global warming?
A) They expand
B) They remain stable
C) They melt
D) They sink into the ocean

Answer
C) They melt

Which practice helps combat climate change?
A) Increasing plastic use
B) Afforestation
C) Burning more fossil fuels
D) Increasing deforestation

Answer
B) Afforestation

What is the effect of deforestation on climate change?
A) Increases carbon dioxide levels
B) Reduces carbon emissions
C) Increases rainfall
D) Decreases air pollution

Answer
A) Increases carbon dioxide levels

What is a major consequence of climate change on agriculture?
A) Increased crop yield
B) More predictable weather patterns
C) Droughts and crop failures
D) Reduced carbon dioxide levels

Answer
C) Droughts and crop failures

Which sector is most vulnerable to climate change?
A) Technology
B) Agriculture
C) Banking
D) Sports

Answer
B) Agriculture

Which of these is a direct result of climate change?
A) Decreasing sea levels
B) More extreme weather events
C) Stronger ozone layer
D) Increased global cooling

Answer
B) More extreme weather events

What is the effect of global warming on biodiversity?
A) Increased species diversity
B) No impact
C) Species extinction and habitat loss
D) Expansion of tropical forests

Answer
C) Species extinction and habitat loss

Which of the following is a clean energy source?
A) Coal
B) Nuclear power
C) Diesel
D) Kerosene

Answer
B) Nuclear power

Which country is most affected by rising sea levels?
A) Switzerland
B) Maldives
C) Mongolia
D) Bolivia

Answer
B) Maldives

What role do trees play in reducing climate change?
A) Absorbing carbon dioxide
B) Increasing air pollution
C) Producing greenhouse gases
D) Releasing methane

Answer
A) Absorbing carbon dioxide

Which global day is dedicated to raising awareness about climate change?
A) World Climate Day
B) Earth Day
C) International Energy Day
D) Global Recycling Day

Answer
B) Earth Day

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