Environmental Science Past Papers Analysis

I. History of Environmental Thought

1. Write the main principles of Rio Summit 1992. (2020)

2. Enlist the conventions and treaties passed in Agenda 21. (2020)

3. Discuss and comment on the social and economic dimensions of Agenda 21. (2017)

4. What is importance of report ‘Our Common Future’ in the history of Environmental Movement? What common threats were identified in the report and what measures were suggested for the sustainability of the earth system? (2016)

II. Sustainable Development Issues

1. How have the industrial and agricultural revolutions contributed to environmental challenges. What lessons can be learned to promote sustainable development? (2025)

2. How does population growth exacerbate poverty, biodiversity loss, and energy insecurity? What strategies can ensure sustainable development in rapidly urbanizing regions? (2025)

3. What is anaerobic degradation? Describe the four key stages in the anaerobic degradation of organic waste. (2022)

4. Write a note on Alternative Energy Resources. (2018)

5. What are Environmental impacts on food production? (2018)

6. What are the events that triggered the interests in bioremediation? (2018)

7. What are different steps in anaerobic treatment for biogas generation? (2018)

8. (A) What is generic engineering or biotechnology and how it may affect the agriculture and the environment. (2017)

9. (B) What is the relation between poverty and food security? (2017)

10. Write short note. i. Energy from Biomass (2017)

11. Discuss in detail the environmental implications of demographic factors. Elaborate the consequences of each Environmental Implication. (2016)

III. Interdisciplinary Nature of Environmental Science

1. How can advancements in environmental biotechnology, physics and chemistry impact the mitigation of pollutants in ecosystems and what will be its impacts on human health? (2025)

2. What is sustainable development? Describe its goals and why it is often associated with protecting the environment? (2023)

3. What are the main causes of Biodiversity loss? How can we protect and preserve Biodiversity? (2023)

4. Write short note on a) Biodiversity Loss b) Population (2022)

5. How will you define Biodiversity? What is meant by the instrumental and intrinsic value of species? Why biodiversity is decreasing? Discuss different factors of biodiversity loss. (2021)

6. How can biotechnology, bioengineering, and the increasing use of genetically modified organisms help us to deal with increasing food demands? (2021)

7. Discuss the dose response relationship in Environmental Toxicology (2020)

8. Define Environmental Economics and explain briefly the interrelationship between Environment and Economics. (2020)

9. Write a note on Environmental Geology. (2018)

IV. Environmental Pollution

1. Discuss the causes and consequences of the air pollution problem in Pakistan. (2025)

2. One of the methods to control pollution problems is the introduction of regulatory mechanisms, incentives, and fines. In your opinion how can we control the smog problem by using one of those methods? How would you implement a plan at a city level to mitigate the smog problem? (2024)

3. What is the ozone layer? Explain its depletion resulting from the atmospheric NO, H, OH, and Cl. (2022)

4. Write short note on followings. a) Atmospheric Smog b) Air Pollution c) Green House Gases (2022)

5. Explain the phenomenon of global warming. Which of the greenhouse gases are the most significant contributors to global warming? What steps could be taken to stabilize the greenhouse gas content of the atmosphere? (2021)

6. Define Eutrophication. Explain the difference between natural and cultural eutrophication. Discuss the methods of combating eutrophication. (2021)

7. Write short on E-waste. (2021)

8. Define and explain the Eutrophication of water body. (2020)

9. Discuss briefly Noise Pollution. (2020)

10. Eutrophication is a phenomenon caused by the abnormal growth of algae in a water body. What are the reasons of algal bloom and how can this phenomenon be controlled? (2019)

11. What are the five major air pollutants coming out of fire burning process? Smog formation occurs due to certain air pollutants. What means and ways can be used for its control? (2019)

12. What is meant by smog? Explain the main causes of smog in Punjab. Summarize the effect of key meteorological factors on dispersion of pollutants in the atmosphere. (2018)

V. 13 Write short notes a) Wetlands b) ozone depletion c) Desertification (2018)

1. Write short notes on the following i. E-waste ii. Eutrophication iii. Smog (2017)

2. Write short note on following i. Impacts of Noise pollution ii. Causes of Desertification (2016)

VI. Climate Change

1. Define greenhouse effect. How does it work? Which pollutants cause global warming? Why is Pakistan highly vulnerable despite contributing less than 1% to global GHG emissions? (2026)

2. What is the greenhouse effect? What is the mechanism of the greenhouse effect? Which major air pollutants are responsible for causing global warming? Why is Pakistan considered more vulnerable to the effects of climate change when its contribution is less than 1% of total global GHG emissions? (2024)

3. Discuss in detail the climate mitigation and adaptation strategies keeping in view the climate change risk index of Pakistan. (2023)

4. If the population of the top carnivores’ declines, what will happen to the landscape ecosystems? (2022)

5. Discuss the major outcomes of Clean Development Mechanism (CDM) (2020)

6. Write in detail the effect of climate change on natural and societal system. (2020)

7. Pakistan is located in a semi arid region of the world, hence is more prone to climate change effects. Explain what adaptation measures will be feasible in the situations of worst climate change in regions like Pakistan? (2019)

8. Elaborate concept of Green house effect and its importance to global climate. (2018)

9. Write short on following i. Carbon foot print ii. REDD+ (2018)

10. Which of the GHGs are the most significant contributors to the global warming? How do they work? And what mitigation steps could be taken to stabilize the GHG content of the atmosphere? (2017)

11. What do you understand by climate and micro-climate? (2017)

12. How do forest burning and land clearing affect the global climate? (2017)

13. What impact would changing climate have on the 'ecosystem in general' and 'coastal environment in particular'? (2017)

14. Write short notes on the following 1.Carbon foot print (2017)

15. How technological developments leads to climate change and consequent change in natural and societal systems? Also furnish possible adaptation option to climate change. (2016)

16. Write short on a) CDM b) Carbon sequestration c) Urban heat Island Effect (2016)

VII. Environmental Governance

1. Discuss important components of Pakistan’s National Climate Change Policy. What is the impact of 18th amendment on Climate Change Policy formulation in Pakistan? How can Pakistan benefit from COP28 & COP30? (2026)

2. Evaluate the effectiveness of the Pakistan Environmental Protection Act, 1997 and Pak EPA Regulations 2000 in addressing environmental governance and pollution control. (2025)

3. Discuss important components of Pakistan's National Climate Change Policy. What is the Impact of the 18th amendment on Climate change policy formulation in Pakistan? How did Pakistan benefit from COP28? (2024)

4. Define risk analysis. Discuss the four steps of risk analysis used by EPA. (2021)

5. Discuss in detail hospital waste management codes of practice. (2020)

6. What are the key factor of National climate change policy. (2018)

7. Write a brief note on National Drinking Water policy 2009. (2018)

8. What are the salient features of Environmental Policy of Pakistan? Discuss if pertinent laws and institutions are existent and justifiably effective. (2016)

VIII. Global Initiatives

1. Write short notes on any TWO of the following: (a) Environmental Management Systems (ISO 14000) (b) Natural Resources Management (c) United Nation Framework Convention on Climate Change (UNFCCC) (2026)

2. How do global frameworks like the United Nations Framework Convention on Climate Change (UNFCCC), the Kyoto Protocol, and the Montreal Protocol align with Pakistan’s environmental goals, particularly in addressing climate change and ozone layer depletion? (2025)

3. Write short notes on any two of the following: 1. United National Framework Convention on Climate Change (UNFCCC) 2. Kyoto Protocol 3. Eutrophication and its effects (2024)

4. Write notes on any TWO of the following: Kyoto Protocol (2023)

5. Why are environmentalists arc interested in wetlands? Describe various mechanisms for sustainable management of wetlands in Pakistan. (2022)

6. Discuss the Montreal Protocol and its subsequent amendments. (2021)

7. Discuss the global efforts that are currently in place to protect our ozone shield. What evidence is there that such efforts have been effective? (2017)

8. Trace the political history of UNFCCC and Kyoto Protocol. Do you think that the UNFCCC (2015) conference in Paris was the next step in reaching and agreement on climate change? (2017)

9. What are salient requirements of the United Nations Framework Convention on Climate Change? Why there was a need for supplementary Kyoto Protocol? Elaborate the controversies associated with the protocol. (2016)

IX. Environmental Assessment and Management

1. Assess the role of Environmental Impact Assessment (EIA) & Initial Environmental Examination (IEE) in large-scale energy and infrastructure projects in Pakistan. How can EIAs be strengthened to include climate change risks? (2026)

2. What is the difference between an Environmental Impact Assessment (EIA) and an Initial Environmental Examination (IEE)? List and explain the entire EIA process. Where in the project cycle should an EIA be initiated? (2024)

3. What is occupational health safety and management? Provide examples of at least five workplaces with possible associated exposure risks. how can such exposure risks be minimized/ controlled? (2024)

4. What is occupational health safety and management? Provide examples of at least five workplaces with possible associated exposure risks. how can such exposure risks be minimized/ controlled? (2024)

5. What are sustainable approaches for solid waste management? (2023)

6. Write notes on the following: Geographic Information and Remote Sensing Occupational Health and Safety Management System (2023)

7. Write short note on following. a) GIS (2022)

8. Write notes on any TWO of the following: a) GIS (2021)

9. Write the physico chemical parameters of waste water and also explain waste water treatment technologies. (2020)

10. What are technological approaches to Environmental Management? (2020)

11. What are main steps of conduction Environmental Impact Assessment (EIA)? (2020)

12. Discuss the solid waste disposal technique. (2020)

13. How is hazardous waste classified? What are the various options for handling hazardous waste? (2019)

14. What are the various mechanisms involved in atmospheric SO2 removal? (2019)

15. What is the importance of public participation in an Environmental Impact Assessment (EIA) process? What is the difference between EIA and Strategic Environmental Assessment (SEA)? (2019)

16. a) Discuss Briefly some Common Types Occupational Health & Safety Hazards. b) Give a brief about Environmental Impact Assessment (EIA) procedural stages? In the context of EIA, what type of information is gathered when establishing a baseline? (2018)

17. Write short note on i. GIS and Remote Sensing (2018)

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