Environment and Ecology Unit 4 Notes AKTU (BAS104)

Unit 4: Current Environmental Issues – AKTU syllabus topics

• Global Warming and Climate Change: Greenhouse Effect and Gases, Climate Change Impacts
• Acid Rain
• Ozone Layer Depletion: Ozone Layer Formation, Ozone Depletion Causes Effects
• Population Growth and Pollution: Automobile Pollution, Burning of Paddy Straw

Most asked AKTU PYQ questions from Unit 4

1. Q6a. Explain global warming and climate change. Discuss their causes, impacts and mitigation measures. (7 marks, 2025-26)
2. Q2d. What are the primary causes of global warming, and what are the main sectors contributing to greenhouse gas emissions? (7 marks, 2024-25)
3. Q6a. What is acid rain, and how is it formed? What are the primary pollutants involved? (7 marks, 2024-25)
4. Q6b. What are greenhouse gases? How it is correlated with global warming? (7 marks, 2023-24)
5. Q2d. What are "Greenhouse Gases"? Discuss their contributions to global warming. What can be the effects of global warming? What are remedial measures? (7 marks, 2022-23)
6. Q2d. What is Acid Rain? Name the gases responsible for acid rain? Discuss the causes, effects and remedies of acid rain on environment and ecology. (7 marks, 2022-23)
7. Q6b. What is Green House Effects? Name four green house gases. Discuss the causes, effects and remedies of green house effects. (7 marks, 2022-23)
8. Q1e. Explain causes and effects of global warming. (2 marks, 2025-26)
9. Q1e. Write any two effects of global warming. (2 marks, 2024-25)
10. Q1f. What are the major greenhouse gases? (2 marks, 2024-25)

Other Environment and Ecology units

• Unit 1 Notes
• Unit 2 Notes
• Unit 3 Notes
• Unit 5 Notes

Environment and Ecology previous year papers

• PYQ 2024-25
• PYQ 2023-24
• PYQ 2022-23

Environment and Ecology exam preparation

• Environment & Ecology Unit 4 Important Questions
• Environment & Ecology Unit 4 PYQ
• Environment & Ecology Important Topics
• Environment & Ecology Predicted Paper