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