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