CSS Environmental Sciences Past Paper 2024

Instructions specific to this paper

• First attempt PART-I (MCQs) on separate OMR Answer Sheet which shall be taken back
• Overwriting/cutting of the options/answers will not be given credit.
• There is no negative marking. All MCQs must be attempted.
• Answers given anywhere else, other than OMR Answer Sheet, will not be considered.
• Attempt ONLY FOUR questions from PART-II. ALL questions carry EQUAL marks.

Questions

1. Q. 220 marks

   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?

2. Q. 320 marks

   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?

3. Q. 420 marks

   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?

4. Q. 520 marks

   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?

5. Q. 620 marks

   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?

6. Q. 720 marks

   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?

7. Q. 820 marks

   Write short notes on any two of the following: (10 each) a. United Nation Framework Convention on Climate Change (UNFCCC) b. Kyoto Protocol c. Eutrophication and its effects

Standard FPSC instructions

Printed on this and every CSS paper.

• Part-II is to be attempted on the separate Answer Book.
• All the parts (if any) of each question must be attempted at one place instead of at different places.
• Write Q. No. in the Answer Book in accordance with Q. No. in the question paper.
• No page/space be left blank between the answers. All the blank pages of the Answer Book must be crossed.
• Extra attempt of any question or any part of the attempted question will not be considered.