CSS Geology Past Paper 2020

Instructions specific to this paper

• Attempt ONLY FOUR questions from PART-II by selecting TWO questions from EACH

Questions

1. Q. 220 marks

   Differentiate between weathering, erosion and transportation. Elaborate the various agents and types of weathering.

2. Q. 320 marks

   What are lithostratigraphic and chronostratigraphic unit? Discuss the various laws of stratigraphy.

3. Q. 420 marks

   Explain isomorphism and polymorphism through examples. Give a detailed account of classification of silicate minerals.

4. Q. 520 marks

   Differentiate between lineation and foliation. Discuss various structural controls on the mechanical properties of materials.

5. Q. 620 marks

   Differentiate between eustatic and relative sea level curve. Discuss the relationship between eustacy, accommodation space and sedimentation.

6. Q. 720 marks

   Differentiate between hydrocarbon source and reservoir rocks. Elaborate the various trapping mechanisms of hydrocarbons.

7. Q. 820 marks

   Write short notes on any TWO of the following: (10 each) (a) Coal rank and coal series. (b) Geological controls on the selection of mega dam sites. (c) Occurrences of Radioactive deposits in Pakistan.

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.