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