Climate Change MCQs Set 9 (200+ Questions with Answers)

Climate Change MCQs Set 9 (200+ Questions with Answers)

Top Climate Change Multiple Choice Questions Set 9 (High-Yield for Competitive Exams)

1. Nitrous oxide remains in the atmosphere for about ________

 ~200 years

 ~50 years

 ~114 years

 ~12 years

2. Which climate mitigation option provides the most immediate reduction in radiative forcing?

 Afforestation

 Methane reduction

 CO₂ capture

 Soil carbon sequestration

3. Scientists use ice cores primarily to reconstruct ____________

 Soil fertility

 Ocean salinity

 Past atmospheric composition and climate

 Volcanic eruptions only

4. Which of the following is a primary indicator of ongoing climate change?

 Increasing glacier mass

 Reduced atmospheric CO₂

 Rising global temperatures

 Stable global cooling

5. Global warming potential (GWP100) of Nitrous oxide is approximately ___________

 140-175

 1000+

 265–298

 50-64

6. Methane (CH₄) is considered a potent greenhouse gas primarily because _____________

 It has a high global warming potential

 It is abundant in the atmosphere

 It reflects solar radiation

 It reduces CO₂ levels

7. Thawing permafrost contributes to climate change primarily by_____________

 Absorbing CO₂

 Releasing methane and CO₂

 Increasing surface albedo

 Cooling the atmosphere

8. Globally, the largest source of anthropogenic greenhouse gas emissions is ___________

 Agriculture

 Energy sector

 Transport

 Waste

9. Which gases are primarily responsible for the formation of acid rain in the atmosphere?

 O₂ and N₂

 CO₂ and CH₄

 SO₂ and O₃

 SO₂ and NO₂

10. Which of the following is a major and well-documented consequence of global warming?

 Rise in global sea level

 Decrease in global sea level

 Reduced global evaporation rates

 Expansion of polar ice sheets

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Climate Change MCQs Set 9 (200+ Questions with Answers)