Quiz: Planet Issues Quiz


Planet Issues QuizOnline version Climate & environment basics by Luminita Mocanu 1 Which gas is the primary driver of contemporary climate change? a Nitrous oxide (N2O) b Methane (CH4) c Carbon dioxide (CO2) d Ozone (O3) 2 Deforestation mainly reduces biodiversity and increases atmospheric CO2. Which practice helps combat this? a Increased logging b Urban expansion c Reforestation or afforestation d Monoculture farming 3 Ocean acidification is caused by which atmospheric gas dissolving in seawater? a Nitrogen (N2) b Methane (CH4) c Sulfur dioxide (SO2) d Carbon dioxide (CO2) 4 What are microplastics? a Plastic bags b Plastic particles smaller than 5 mm c Plastic bottles d Fiberglass fibers 5 Which energy source reduces greenhouse gas emissions the most when replacing coal? a Renewables (e.g., wind, solar) b Natural gas c Oil d Coal 6 Which sector is usually the largest emitter of greenhouse gases? a Agriculture b Transportation c Residential lighting d Electricity and heat production 7 What action best conserves freshwater at home? a Repair leaks and use efficient fixtures b Using high-flow hoses for long periods c Running full baths daily d Watering lawns at noon 8 Biodiversity loss reduces what essential service? a Geothermal energy b Increased rainfall c Oxygen production d Pollination of crops 9 Climate change is linked to more extreme weather. Which statement is true? a Weather always becomes milder b Storms disappear completely c Heatwaves and heavy rainfall become more frequent d Only droughts increase 10 Which statement best contrasts ozone in the stratosphere and troposphere? a Stratospheric ozone causes smog b Troposphere has no ozone at all c Ozone only exists in the stratosphere d Both warm equally e Stratospheric ozone protects; tropospheric ozone worsens warming Feedback 1 CO2 is the leading long-lived greenhouse gas from burning fossil fuels. 2 Planting trees restores habitats and absorbs CO2. 3 CO2 forms carbonic acid in seawater, lowering pH. 4 Microplastics come from breakdown or microbeads and contaminate oceans. 5 Renewables emit little to none during operation. 6 Power generation dominates emissions in many regions. 7 Fixing leaks saves significant water. 8 Pollinators sustain many food crops and ecosystems. 9 Global warming shifts patterns toward extremes. 10 Ozone in the stratosphere shields from UV; near-surface ozone is a pollutant.

1

Which gas is the primary driver of contemporary climate change?

a

Nitrous oxide (N2O)

b

Methane (CH4)

c

Carbon dioxide (CO2)

d

Ozone (O3)

2

Deforestation mainly reduces biodiversity and increases atmospheric CO2. Which practice helps combat this?

a

Increased logging

b

Urban expansion

c

Reforestation or afforestation

d

Monoculture farming

3

Ocean acidification is caused by which atmospheric gas dissolving in seawater?

a

Nitrogen (N2)

b

Methane (CH4)

c

Sulfur dioxide (SO2)

d

Carbon dioxide (CO2)

4

What are microplastics?

a

Plastic bags

b

Plastic particles smaller than 5 mm

c

Plastic bottles

d

Fiberglass fibers

5

Which energy source reduces greenhouse gas emissions the most when replacing coal?

a

Renewables (e.g., wind, solar)

b

Natural gas

c

Oil

d

Coal

6

Which sector is usually the largest emitter of greenhouse gases?

a

Agriculture

b

Transportation

c

Residential lighting

d

Electricity and heat production

7

What action best conserves freshwater at home?

a

Repair leaks and use efficient fixtures

b

Using high-flow hoses for long periods

c

Running full baths daily

d

Watering lawns at noon

8

Biodiversity loss reduces what essential service?

a

Geothermal energy

b

Increased rainfall

c

Oxygen production

d

Pollination of crops

9

Climate change is linked to more extreme weather. Which statement is true?

a

Weather always becomes milder

b

Storms disappear completely

c

Heatwaves and heavy rainfall become more frequent

d

Only droughts increase

10

Which statement best contrasts ozone in the stratosphere and troposphere?

a

Stratospheric ozone causes smog

b

Troposphere has no ozone at all

c

Ozone only exists in the stratosphere

d

Both warm equally

e

Stratospheric ozone protects; tropospheric ozone worsens warming

Feedback

1

CO2 is the leading long-lived greenhouse gas from burning fossil fuels.

2

Planting trees restores habitats and absorbs CO2.

3

CO2 forms carbonic acid in seawater, lowering pH.

4

Microplastics come from breakdown or microbeads and contaminate oceans.

5

Renewables emit little to none during operation.

6

Power generation dominates emissions in many regions.

7

Fixing leaks saves significant water.

8

Pollinators sustain many food crops and ecosystems.

9

Global warming shifts patterns toward extremes.

10

Ozone in the stratosphere shields from UV; near-surface ozone is a pollutant.

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Planet Issues Quiz

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Planet Issues QuizOnline version

by Luminita Mocanu

Which gas is the primary driver of contemporary climate change?

Deforestation mainly reduces biodiversity and increases atmospheric CO2. Which practice helps combat this?

Ocean acidification is caused by which atmospheric gas dissolving in seawater?

What are microplastics?

Which energy source reduces greenhouse gas emissions the most when replacing coal?

Which sector is usually the largest emitter of greenhouse gases?

What action best conserves freshwater at home?

Biodiversity loss reduces what essential service?

Climate change is linked to more extreme weather. Which statement is true?

Which statement best contrasts ozone in the stratosphere and troposphere?

Feedback

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