Q1 · hard · AI-verified
In the context of marine pollution, which heavy metal bioaccumulates through the food chain and causes Minamata disease when consumed in contaminated fish?
- Chromium
- Lead
- Cadmium
- Mercury
Q2 · hard · AI-verified
Which type of renewable energy technology has the highest capacity factor among the given options, meaning it can generate electricity most consistently throughout the year?
- Geothermal energy
- Solar photovoltaic
- Tidal energy
- Wind energy
Q3 · hard · AI-verified
Which of the following greenhouse gases has the highest Global Warming Potential (GWP) over a 100-year period?
- Carbon dioxide (CO2)
- Methane (CH4)
- Nitrous oxide (N2O)
- Sulfur hexafluoride (SF6)
Q4 · hard · AI-verified
The term 'eutrophication' describes the process where water bodies become enriched with nutrients. What is the primary limiting nutrient in freshwater systems that, when added in excess, triggers eutrophication?
- Sulfur
- Carbon
- Nitrogen
- Phosphorus
Q5 · hard · AI-verified
In forest ecology, what is the term for the layer of the forest canopy where most photosynthesis occurs due to optimal light conditions?
- Emergent layer
- Shrub layer
- Understory layer
- Canopy layer