Skip to content
MockCSS
All Environmental Science papers

CSS past paper

CSS Environmental Science Past Paper 2025

CSS Environmental Science 2025 carries 100 marks over 3 hours. It has 7 questions.

Marks
100
Time
3 hours
Questions
7

Years

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
    How have the industrial and agricultural revolutions contributed to environmental challenges. What lessons can be learned to promote sustainable development?
    (20)
  2. Q. 3
    How does population growth exacerbate poverty, biodiversity loss, and energy insecurity? What strategies can ensure sustainable development in rapidly urbanizing regions?
    (20)
  3. Q. 4
    How can advancements in environmental biotechnology, physics, and chemistry impact the mitigation of pollutants in ecosystems and what will be its impacts on human health?
    (20)
  4. Q. 5
    Discuss the causes and consequences of the air pollution problem in Pakistan.
    (20)
  5. Q. 6
    How different climate types are formed in the world? Discuss tropical, polar, and dry categories of climate. Write down their characteristics. How will they respond to climate change, and what are the key indicators that highlight these changes?
    (20)
  6. Q. 7
    Evaluate the effectiveness of the Pakistan Environmental Protection Act of 1997 and Pak EPA Regulations 2000 in addressing environmental governance and pollution control.
    (20)
  7. Q. 8
    How do global frameworks like the United Nations Framework Convention on Climate Change (UNFCCC), the Kyoto Protocol, and the Montreal Protocol align with Pakistan's environmental goals, particularly in addressing climate change and ozone layer depletion?
    (20)
  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.