Lesson 4.9.2.2

4.9.2.2 Human activities which contribute to an increase in greenhouse gases in the atmosphere Quiz: AQA Chemistry, Unit 9

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.9.2.2, Human activities which contribute to an increase in greenhouse gases in the atmosphere: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 9: Chemistry of the atmosphere, written with Revision Ninja.

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The 20 questions

  1. Which two greenhouse gases are specifically cited as increased by human activities?

    • Argon and neon
    • Hydrogen and helium
    • Oxygen and nitrogen
    • Carbon dioxide and methane

  2. Burning fossil fuels increases which greenhouse gas in the atmosphere?

    • Carbon dioxide
    • Helium
    • Nitrogen
    • Argon

  3. Rearing livestock such as cattle is a source of which gas?

    • Argon
    • Ozone
    • Methane
    • Neon

  4. Deforestation mainly increases which gas in the atmosphere?

    • Carbon dioxide
    • Chlorine
    • Helium
    • Hydrogen

  5. What do many scientists believe human activities will cause?

    • Ozone layer repair
    • Surface temperature increase
    • Global cooling trend
    • Atmospheric pressure drop

  6. On what basis do many scientists hold this belief about human activities?

    • Opinion polls
    • Single press reports
    • Unreviewed blogs
    • Peer-reviewed evidence

  7. Why is modelling global climate change difficult?

    • Simple equations
    • Constant weather
    • Too little data
    • Complex systems

  8. Why might a simplified climate change model be unreliable?

    • Incomplete evidence
    • Direct observation
    • Infinite data points
    • Perfect accuracy

  9. What must a student do when evaluating a media report about climate change?

    • Ignore uncertainties
    • Evaluate evidence quality
    • Accept all claims
    • Reject peer review

  10. Which feature makes a scientific report about climate change more trustworthy?

    • Simplified models
    • Anonymous publishing
    • Peer review
    • Media speculation

  11. What makes modelling global climate change particularly difficult?

    • Simple equations
    • Constant temperatures
    • Fixed carbon levels
    • Complex systems

  12. Which action is most appropriate when evaluating a climate claim?

    • Ignoring data sources
    • Trusting media opinions
    • Assuming absolute certainty
    • Checking source quality

  13. Why is communicating climate results to a wide audience important?

    • Allows group checking
    • Prevents peer review
    • Reduces data accuracy
    • Hides uncertainties

  14. What is the purpose of describing uncertainties in climate evidence?

    • Shows conclusion confidence
    • Eliminates all errors
    • Hides missing data
    • Proves absolute facts

  15. Which gas is increased in the atmosphere by flooded rice cultivation?

    • Ozone
    • Methane
    • Neon
    • Argon

  16. Students must recall two human activities for each of two gases. How many activities in total?

    • Two
    • Eight
    • Four
    • Six

  17. What is the likely consequence of a climate model ignoring some evidence?

    • Biased conclusions
    • Complete reliability
    • Absolute certainty
    • Perfect accuracy

  18. Which factor is essential when evaluating a climate report?

    • Simplified guessing
    • Unchecked opinion
    • Peer review
    • Media speculation

  19. What scientific process helps check the validity of new climate change evidence?

    • Peer review
    • Random guessing
    • Media speculation
    • Political debate

  20. Which activity increases methane from decaying waste?

    • Scrap metal recycling
    • Solar panel use
    • Landfill sites
    • Glass bottle reuse

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