CSS past paper

CSS Geology Past Paper 2026

CSS Geology 2026 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. 2
Describe how metamorphic facies are different from metamorphic zones. Discuss the role of pressure-temperature (P–T) conditions in defining metamorphic facies and their significance in tectonic settings.
(20)
Q. 3
(20)
- (a)
  Discuss the significance of micropaleontology in petroleum exploration and stratigraphic correlation.
  (10)
- (b)
  Briefly describe the stratigraphy of Lower Indus Basin.
  (10)
Q. 4
Discuss in detail, the major tectonic zones of Pakistan.
(20)
Q. 5
Write comprehensive note on any FOUR of the following:- (5 each)
(20)
- (i)
  Scope of Geology
  (5)
- (ii)
  Optical Properties of Feldspar Group
  (5)
- (iii)
  Modes of Fossilization
  (5)
- (iv)
  Gemstones of Pakistan
  (5)
- (v)
  Khewra Salt Mine
  (5)
- (vi)
  Atterberg Limit Tests
  (5)

Q. 6
Discuss various geophysical techniques used in petroleum, mineral, and water exploration, highlighting their advantages and limitations.
(20)
Q. 7
Define differential entrapment of hydrocarbons. Discuss how migration pathways and timing lead to differential entrapment of oil and gas in a single trap.
(20)
Q. 8
Define geological hazards. Explain the phenomenon of Glacial Lake Outburst Floods (GLOFs) and its increasing risk in Pakistan.
(20)

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.