CSS Environmental Sciences Past Paper 2019
PART-2(Subjective) 80 Marks
Attempt ONLY FOUR Questions from PART-II. (20×4)
PART-II
Q. No. 2. How is hazardous waste classified? What are the various options for handling hazardous waste?
Q. No. 3. What are the various mechanisms involved in atmospheric SO₂ removal?
Q. No. 4. Eutrophication is a phenomenon caused by the abnormal growth of algae in a water body. What are the reasons for algal bloom, and how can this phenomenon be controlled?
Q. No. 5. Describe and differentiate between stated and revealed preferences methods used for valuing environmental resources.
Q. No. 6. 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)?
Q. No. 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?
Q. No. 8. What are the five major air pollutants coming out of the fire burning process? Smog formation occurs due to certain air pollutants. What means and ways can be used for its control?