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