#1
Which renewable energy source is generated from the sun's radiation?
Solar energy
ExplanationSolar energy is harnessed from the sun's radiation.
#2
Which gas is primarily responsible for trapping heat in the Earth's atmosphere?
Carbon dioxide
ExplanationCarbon dioxide is the main greenhouse gas responsible for trapping heat.
#3
What is the term for the process of converting waste materials into reusable materials or resources?
Recycling
ExplanationRecycling is the process of converting waste materials into reusable materials or resources.
#4
Which of the following is not a type of renewable energy?
Nuclear energy
ExplanationNuclear energy is not a renewable energy source.
#5
What is the term for the energy generated from the heat stored beneath the Earth's surface?
Geothermal energy
ExplanationGeothermal energy is generated from the Earth's internal heat.
#6
What is the term for the process of harnessing energy from flowing or falling water?
Hydropower
ExplanationHydropower is the process of harnessing energy from flowing or falling water.
#7
Which of the following is not a greenhouse gas?
Helium
ExplanationHelium is not a greenhouse gas.
#8
What is the term for the phenomenon where Earth's average temperature gradually increases due to human activity?
Climate change
ExplanationClimate change is the phenomenon of Earth's average temperature gradually increasing due to human activity.
#9
What is the primary source of energy for most non-renewable power plants?
Coal
ExplanationCoal is the primary source of energy for most non-renewable power plants.
#10
What is the primary greenhouse gas emitted from the burning of fossil fuels?
Carbon dioxide
ExplanationCarbon dioxide is the primary greenhouse gas emitted from the burning of fossil fuels.
#11
Which renewable energy source harnesses energy from the Earth's internal heat?
Geothermal energy
ExplanationGeothermal energy harnesses energy from the Earth's internal heat.
#12
What is the approximate average global temperature increase since the pre-industrial era?
1.5°C
ExplanationThe average global temperature has increased by approximately 1.5 degrees Celsius since the pre-industrial era.
#13
Which renewable energy source requires the least amount of land for power generation?
Solar energy
ExplanationSolar energy requires the least amount of land for power generation among renewable sources.
#14
Which of the following is a major greenhouse gas emitted from agricultural activities?
Nitrous oxide
ExplanationNitrous oxide is a significant greenhouse gas emitted from agricultural activities.
#15
What is the term for the process of capturing and storing carbon dioxide emissions from industrial sources?
Carbon sequestration
ExplanationCarbon sequestration is the process of capturing and storing carbon dioxide emissions from industrial sources.
#16
Which of the following is a consequence of ocean acidification?
Decreased shell formation in marine organisms
ExplanationOcean acidification leads to decreased shell formation in marine organisms.
#17
Which international agreement aims to limit global warming to well below 2 degrees Celsius?
Paris Agreement
ExplanationThe Paris Agreement aims to limit global warming to well below 2 degrees Celsius.
#18
Which country is the largest emitter of carbon dioxide globally?
China
ExplanationChina is the largest emitter of carbon dioxide globally.
#19
Which of the following is a benefit of using electric vehicles (EVs) over traditional gasoline-powered vehicles?
Reduced air pollution
ExplanationElectric vehicles (EVs) contribute to reduced air pollution.
#20
What is the term for the process of using heat from the sun to generate electricity?
Solar thermal power
ExplanationSolar thermal power involves using heat from the sun to generate electricity.
#21
Which of the following is a consequence of deforestation?
Loss of biodiversity
ExplanationDeforestation leads to the loss of biodiversity.
#22
What is the term for the process of converting organic waste into biogas and fertilizer?
Anaerobic digestion
ExplanationAnaerobic digestion is the process of converting organic waste into biogas and fertilizer.
#23
What is the term used to describe energy-efficient practices that involve the design and construction of buildings?
Green building
ExplanationGreen building refers to energy-efficient design and construction practices for buildings.
#24
Which country is the largest producer of wind energy in the world?
China
ExplanationChina is the largest producer of wind energy globally.
#25
Which of the following is a characteristic of a 'passive solar design'?
Maximizing natural lighting and heat from the sun
ExplanationPassive solar design involves maximizing natural lighting and heat from the sun.