Environment and Ecology (BAS104) AKTU PYQ analysis – unit-wise weightage
We analysed 154 questions from 6 AKTU Environment and Ecology papers (2023–2026). Here is how marks are spread across units and which topics keep coming back.
Environment and Ecology unit-wise weightage
- Unit 1: Environment and Ecosystem – 27% of questions, about 27 marks per paper
- Unit 2: Natural Resources – 24% of questions, about 24 marks per paper
- Unit 3: Environmental Pollution – 23% of questions, about 23 marks per paper
- Unit 4: Current Environmental Issues – 23% of questions, about 23 marks per paper
- Unit 5: Environmental Protection – 23% of questions, about 22 marks per paper
Most repeated Environment and Ecology topics in AKTU PYQs
- Environment Definition and Types
- Ecosystem Structure and Types
- Global Warming and Climate Change
- Water Pollution
- Biogeochemical Material Cycles
Unit 1 (Environment and Ecosystem) – top topics
- Environment Definition and Types – asked 12 times, last in 2026
- Ecosystem Structure and Types – asked 12 times, last in 2026
- Human Activities on Environment – asked 6 times, last in 2026
Unit 2 (Natural Resources) – top topics
- Biogeochemical Material Cycles – asked 9 times, last in 2026
- Water Resources – asked 8 times, last in 2025
- Energy Resources – asked 6 times, last in 2026
Unit 3 (Environmental Pollution) – top topics
- Water Pollution – asked 11 times, last in 2026
- Solid Waste Management – asked 7 times, last in 2026
- Air Pollution – asked 5 times, last in 2024
Unit 4 (Current Environmental Issues) – top topics
- Global Warming and Climate Change – asked 12 times, last in 2026
- Acid Rain – asked 6 times, last in 2025
- Population Growth and Pollution – asked 6 times, last in 2026
Unit 5 (Environmental Protection) – top topics
- Environmental Protection Act 1986 – asked 9 times, last in 2026
- Human Population and Environment – asked 7 times, last in 2026
- Environmental Education Awareness – asked 7 times, last in 2026