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