Environment & Ecology·MCQ Practice
Green Technology — MCQ Practice
Updated 19 Oct 2026
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.
Q1medium
Which intervention most clearly prevents pollution at source rather than treating it after formation?
Q2medium
A process uses 100 energy units to make 50 products, then 90 units to make 30 products. What happens to energy intensity?
Q3medium
Which comparison best supports a claim that a new material is environmentally preferable?
Q4medium
A recycling programme reports that it collected 1,000 tonnes of material. What further evidence is needed to claim that 1,000 tonnes were recycled?
Q5medium
A cleaner process reduces emissions intensity from 4 to 3 units while output rises from 100 to 150. Which report is accurate?