Environment and Ecology Unit 4 – Current Environmental Issues: AKTU previous year questions
28 AKTU questions from Unit 4 (Current Environmental Issues) asked in 2023–2026, tagged by marks, year and topic. In short: about 23 marks of every paper come from this unit; the most asked topic is Global Warming and Climate Change (12 times); 26 questions came back in a later year. The latest ones are listed below; on the page you can filter them by 2-mark or long questions, topic and repeats.
Unit 4 previous year questions
- Explain causes and effects of global warming. (2 marks, 2026, Global Warming)
- Discuss environmental impacts of burning paddy straw. (7 marks, 2026, Population and Environment)
- Explain global warming and climate change. Discuss their causes, impacts and mitigation measures. (7 marks, 2026, Global Warming)
- Discuss population growth, automobile pollution and burning of paddy straw as major environmental issues. (7 marks, 2026, Population and Environment)
- Write any two effects of global warming. (2 marks, 2025, Global Warming)
- What are the major greenhouse gases? (2 marks, 2025, Global Warming)
- What are the primary causes of global warming, and what are the main sectors contributing to greenhouse gas emissions? (7 marks, 2025, Global Warming)
- Explain the causes and effects of acid rain. (7 marks, 2025, Acid Rain)
- Explain the phenomenon of "Burning of paddy straw" and its environmental implications, particularly in the context of air pollution and climate change in India. (7 marks, 2025, Population and Environment)
- What is acid rain, and how is it formed? What are the primary pollutants involved? (7 marks, 2025, Acid Rain)
- Describe the causes and impacts of ozone layer depletion. (7 marks, 2025, Ozone Layer Depletion)
- What is the role of renewable energy sources in mitigating climate change? (7 marks, 2025, Global Warming)
Most asked Unit 4 topics
- Global Warming and Climate Change – asked 12 times
- Acid Rain – asked 6 times
- Population Growth and Pollution – asked 6 times
Unit 4 question pattern
- 2-mark questions: 7 asked in 2023–2026
- 7-mark questions: 21 asked in 2023–2026
- About 23 marks from Unit 4 in every paper
- 26 questions were asked again in a later year
Unit 4 questions year by year
- 2026: 4 Unit 4 questions asked (23 marks across that year's papers)
- 2025: 8 Unit 4 questions asked (46 marks across that year's papers)
- 2024: 9 Unit 4 questions asked (48 marks across that year's papers)
- 2023: 7 Unit 4 questions asked (44 marks across that year's papers)