Environmental Sciences · 2020

CSS 2020 Environmental Science Paper

7 questions from this paper.

  1. Q1
    Write the main principles of Rio Summit 1992. Discuss the dose-response relationship in Environmental Toxicology.
    Past paper Rio Summit 1992 20 marks
  2. Q2
    Write the physico-chemical parameters of wastewater and also explain wastewater treatment technologies. Discuss the major outcomes of Clean Development Mechanisms (CDM).
    Past paper Wastewater Treatment 20 marks
  3. Q3
    Discuss in detail the Hospital Waste Management codes of Practice. Enlist the conventions and treaties passed in Agenda 21.
    Past paper Waste Management and Agenda 21 20 marks
  4. Q4
    Define and explain the Eutrophication of a water body. What are technological approaches to Environmental management?
    Past paper Environmental Management 20 marks
  5. Q5
    What are the main steps of conducting Environmental Impact Assessment (EIA)? Discuss briefly noise pollution.
    Past paper EIA and Noise Pollution 20 marks
  6. Q6
    What is the green revolution? Give a brief account of the green revolution in Pakistan. Define Environmental Economics and explain briefly the interrelationship between Environment and Economics.
    Past paper Environmental Economics 20 marks
  7. Q7
    Discuss the solid waste disposal techniques. Write in detail the effect of climate change on natural and societal systems.
    Past paper Waste Disposal 20 marks

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