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