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CSS past paper

CSS Environmental Science Past Paper 2024

CSS Environmental Science 2024 carries 100 marks over 3 hours. It has 7 questions.

Marks
100
Time
3 hours
Questions
7

How to attempt: Attempt ONLY FOUR questions from PART-II. ALL questions carry EQUAL marks.

Questions

Question 1 (Part I) is the paper's MCQs, which are not reproduced here.

  1. Q. 2
    What is the mechanism of ozone depletion? What chemicals in upper atmosphere are responsible for ozone layer depletion? What are the impacts of ozone layer depletion?
    (20)
  2. Q. 3
    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?
    (20)
  3. Q. 4
    One of the methods to control pollution problem is 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?
    (20)
  4. Q. 5
    What is green house effect? What is the mechanism of green house 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% in total global GHG emissions?
    (20)
  5. Q. 6
    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 Pakistan can benefit from COP28?
    (20)
  6. Q. 7
    What is occupational health safety and management? Provide examples of at least five work places with possible associated exposure risks. How can such exposure risks be minimized/ controlled?
    (20)
  7. Q. 8
    Write short notes on any two of the following: (10 each)
    (20)
    • (a)
      United Nation Framework Convention on Climate Change (UNFCCC)
      (10)
    • (b)
      Kyoto Protocol
      (10)
    • (c)
      Eutrophication and its effects
      (10)
  1. Part-II is to be attempted on the separate Answer Book.
  2. Attempt ONLY FOUR questions from PART-II. ALL questions carry EQUAL marks.
  3. All the parts (if any) of each Question must be attempted at one place instead of at different places.
  4. Write Q. No. in the Answer Book in accordance with Q. No. in the Q.Paper.
  5. No Page/Space be left blank between the answers. All the blank pages of Answer Book must be crossed.
  6. Extra attempt of any question or any part of the question will not be considered.