CSS past paper

CSS Geology Past Paper 2025

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

Years

How to attempt: Attempt ONLY FOUR questions from PART-II by selecting TWO questions from EACH SECTION. ALL questions carry EQUAL marks.

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

Q. 5
(20)
- (a)
  Write a detailed note on “Geophysical techniques utilized in exploration of mineral deposits, oil/gas and groundwater”.
  (10)
- (b)
  Discuss migration types in hydrocarbon exploration. Also describe secondary and enhanced oil recovery techniques in detail.
  (10)
Q. 6
(20)
- (a)
  What is Walther’s law of superposition? Discuss concepts and significance of sequence stratigraphy.
  (10)
- (b)
  Describe “Upper Indus basin with respect to its hydrocarbon potentials” in detail.
  (10)
Q. 7
What is the role of Engineering Geology in the development of CPEC projects? Explain it with suitable examples.
(20)
Q. 8
(20)
- (a)
  Discuss various classification schemes of mineral deposits in detail.
  (10)
- (b)
  Describe various metallic and non-metallic mineral deposits of Pakistan. Also discuss their significance and abundance in detail.
  (10)

Part-II is to be attempted on the separate Answer Book.
Attempt ONLY FOUR questions from PART-II by selecting TWO questions from EACH SECTION. ALL questions carry EQUAL marks.
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 Q.Paper.
No Page/Space be left blank between the answers. All the blank pages of Answer Book must be crossed.
Extra attempt of any question or any part of the question will not be considered.