CSS Geology Past Paper 2025

Instructions specific to this paper

• First attempted Part-I (MCQS) on the separate OMR Answer Book 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 the OMR Answer Sheet, will not be considered.
• Attempt ONLY FOUR questions from PART-II. ALL questions carry EQUAL marks.

Questions

1. Q. 210 marks

   a) Discuss the interior of the earth in detail. Also, describe the processes involved in the formation of igneous rocks. b) What are the laws of superposition and faunal succession? Describe the (10) (20) classification and nomenclature of stratigraphic units in detail.

2. Q. 310 marks

   a) What are the main types of sedimentary rocks and how are they formed? also, describe the classification scheme of these sedimentary rocks in detail. b) Discuss the optical properties of common rock-forming minerals in detail. (10) (20) Q4. Write comprehensive notes on the following topics. (10) (20) a) Tectonic framework of Pakistan b) Geothermal energy resource potentials of Pakistan

3. Q. 510 marks

   a) Write a detailed note on “geophysical techniques utilized in the exploration of mineral deposits, oil/gas, and groundwater”. b) Discuss migration types in hydrocarbon exploration. Also, describe secondar (10) (20) and enhanced oil recovery techniques in detail.

4. Q. 620 marks

   a) What is Walther’s law of superposition? Discuss concepts and significance of sequence (10) stratigraphy. b) Describe the “upper Indus basin with respect to its hydrocarbon potentials” in detail. (10)

5. Q. 720 marks

   What is the role of Engineering Geology in the development of CPEC projects? Explain it with suitable examples.

6. Q. 810 marks

   a) Discuss various classification schemes of mineral deposits in detail. b) Describe various metallic and non-metallic mineral deposits of Pakistan. Also, (10) (20) discuss their significance and abundance in detail.

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.