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