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