Climate Change MCQs Set 7 (200+ Questions with Answers) Posted on March 21, 2026March 21, 2026Author agropublishers 0 Climate Change MCQs Set 7 (200+ Questions with Answers) 1. Methane has a higher GWP than CO₂ mainly because ______ It reflects radiation It is more abundant It has a higher radiative efficiency per molecule It has a longer lifetime 2. The approximate duration of the sunspot (solar activity) cycle is _________ 5 years 50 years 11 years 22 years 3. Among major greenhouse gases, the highest atmospheric concentration is of _________ Carbon dioxide Methane Ozone Nitrous oxide 4. Which is the fastest-growing renewable energy source globally? Biomass Hydropower Wind energy Solar energy 5. Nitrous oxide (N₂O) has an atmospheric lifetime of approximately __________ 10 years 200 years 114 years 50 years 6. Photovoltaic (PV) cells convert ________ Biomass into fuel Wind into energy Solar radiation into electricity Solar heat into electricity 7. Precision irrigation in rice cultivation primarily reduces ___________ CO₂ emissions Oxygen levels Nitrous oxide emissions Methane emissions 8. Major volcanic eruptions typically lead to which short-term climatic effect? No effect Warming Drought only Cooling 9. A Q₁₀ value less than 1 indicates that the rate of a biological or chemical process ____________ Reaches maximum efficiency Increases with rising temperature Decreases with increasing temperature Shows no response to temperature 10. Atmospheric aerosols primarily reflect and scatter incoming ___________ Heat flux Infrared radiation Solar radiation Longwave radiation Loading … Question 1 of 10 Climate Change MCQs Set 7 (200+ Questions with Answers)