Everyday Science

Fossil Fuels & Their Impact MCQs With Answer

Which of the following is a fossil fuel?
a) Uranium
b) Wind energy
c) Natural gas
d) Biomass

What is the primary component of natural gas?
a) Carbon dioxide
b) Methane
c) Oxygen
d) Hydrogen

Which fossil fuel is considered the most polluting?
a) Coal
b) Natural gas
c) Petroleum
d) Biomass

What is the primary use of petroleum?
a) Generating nuclear power
b) Producing plastics and fuels
c) Storing renewable energy
d) Cleaning industrial waste

Which gas is primarily responsible for global warming due to fossil fuel combustion?
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Neon

Which sector consumes the highest amount of fossil fuels?
a) Agriculture
b) Transportation
c) Healthcare
d) Education

Which process converts fossil fuels into usable energy in power plants?
a) Photosynthesis
b) Combustion
c) Evaporation
d) Distillation

What is the primary disadvantage of burning fossil fuels?
a) They are renewable
b) They cause air pollution and climate change
c) They produce oxygen
d) They increase biodiversity

Which of the following is NOT a fossil fuel?
a) Coal
b) Oil
c) Hydrogen
d) Natural gas

Which pollutant is produced by burning coal and causes acid rain?
a) Nitrogen gas
b) Sulfur dioxide
c) Oxygen
d) Helium

What is the major drawback of oil spills?
a) Increased oxygen levels
b) Renewable energy production
c) Marine ecosystem destruction
d) Reduced greenhouse gases

Which country is the largest consumer of fossil fuels?
a) Canada
b) United States
c) Brazil
d) Norway

What is a major consequence of excessive fossil fuel usage?
a) Decreased greenhouse gases
b) Climate change
c) Increased biodiversity
d) Clean air

Which of the following is a byproduct of fossil fuel combustion?
a) Oxygen
b) Carbon monoxide
c) Hydrogen peroxide
d) Chlorine

What is one alternative to fossil fuels for energy production?
a) Wind power
b) Coal power
c) Diesel generators
d) Petroleum refining

Which form of fossil fuel is extracted through fracking?
a) Uranium
b) Natural gas
c) Hydropower
d) Solar energy

What is the main reason fossil fuels are considered nonrenewable?
a) They produce unlimited energy
b) They take millions of years to form
c) They generate oxygen
d) They are abundant everywhere

Which fossil fuel is mostly used to generate electricity?
a) Coal
b) Diesel
c) Peat
d) Uranium

What is the main reason for reducing fossil fuel consumption?
a) To increase energy costs
b) To reduce greenhouse gas emissions
c) To decrease oxygen levels
d) To encourage deforestation

Which energy source is often used as a cleaner alternative to fossil fuels?
a) Coal
b) Nuclear energy
c) Diesel
d) Gasoline

Which fossil fuel is formed from the remains of marine organisms?
a) Coal
b) Oil
c) Peat
d) Biomass

How does fossil fuel usage contribute to ocean acidification?
a) By releasing carbon dioxide that dissolves in seawater
b) By increasing oxygen levels
c) By producing more algae
d) By reducing global temperatures

What is the primary disadvantage of using coal for energy?
a) It is easy to transport
b) It releases toxic pollutants
c) It is renewable
d) It increases biodiversity

Which alternative energy source can replace gasoline in vehicles?
a) Hydrogen fuel cells
b) Coal
c) Diesel
d) Peat

What is the biggest challenge in replacing fossil fuels with renewable energy?
a) High initial costs and infrastructure changes
b) Limited fossil fuel supply
c) Abundance of renewable energy sources
d) High carbon emissions

Which of the following is a health effect of fossil fuel pollution?
a) Improved lung capacity
b) Respiratory diseases
c) Increased energy production
d) Enhanced immune system

Which of the following fossil fuels has the lowest carbon footprint?
a) Coal
b) Oil
c) Natural gas
d) Peat

Which of these industries relies heavily on fossil fuels?
a) Solar panel manufacturing
b) Aviation
c) Wind turbine production
d) Hydropower plants

What percentage of global energy currently comes from fossil fuels?
a) Around 20%
b) Around 50%
c) Over 75%
d) Less than 10%

Which of the following is NOT a consequence of fossil fuel combustion?
a) Acid rain
b) Air pollution
c) Renewable energy growth
d) Global warming

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