UPSC Environment & Ecology Mock Tests
375 real UPSC Prelims questions on Environment & Ecology (syllabus area: Environmental Ecology, Biodiversity and Climate Change), from the 1995–2025 papers, grouped into 15 timed sets of about 25. Each question has a verified answer key, and an explanation where one has been written.
Chapter-wise Environment & Ecology mocks
- Protected Areas & Wildlife mock test — 49 questions, one chapter or theme.
- Ecosystems & Ecology Concepts mock test — 48 questions, one chapter or theme.
- Biodiversity & Conservation mock test — 44 questions, one chapter or theme.
- International Environmental Treaties & Summits mock test — 39 questions, one chapter or theme.
- Pollution & Waste Management mock test — 38 questions, one chapter or theme.
- Environmental Governance & Legislation mock test — 35 questions, one chapter or theme.
- Climate Change & Greenhouse Gases mock test — 34 questions, one chapter or theme.
- Sustainable Agriculture & Forestry mock test — 31 questions, one chapter or theme.
- Water & Wetland Conservation mock test — 20 questions, one chapter or theme.
- Renewable Energy & Green Technologies mock test — 18 questions, one chapter or theme.
How the mocks are marked
Each correct answer earns 2 marks and each wrong answer costs 0.66 marks, the one-third penalty UPSC applies in Prelims General Studies. Unanswered questions score zero. Every mock is timed at 1.2 minutes a question, the same pace as the 100-question, 120-minute Prelims paper.
Every question is a real previous year question with a verified answer key. After you submit, you see the correct option for each question, and the explanation where one has been written.