CSS Environmental Sciences Paper 2022. CSS 2022 Environmental Sciences Paper. Environmental Science Paper CSS 2022.
Q2. Why are environmentalists arc interested in wetlands? Describe various mechanisms for sustainable management of wetlands in Pakistan.
Q3. Write in detail the history and main features of the Indus Water Treaty with a special focus on its significance in the current scenario of water stress in Pakistan.
Q4. What is anaerobic degradation? Describe the four key stages in the anaerobic degradation of organic waste.
Q5. What are the potential environmental impacts of China Pakistan Economic Corridor (CPEC)?
Q6. If the population of the top carnivores declines, what will happen to the landscape ecosystems?
Q7. What is the ozone layer? Explain its depletion resulting from the atmospheric NO, H, OH, and CI.
Q8. Write short notes on any FOUR of the following:
- GIS and RS
- Biodiversity loss
- Atmospheric smog
- Air Pollution
- Green House Gases