Kerala PSC Range Forest Officer – Forest and Wildlife (Geology) Previous Question Paper – 042/2025

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1. Write a note on the mineral composition and genesis of Granites and Dolerites.
2. Discuss the role and significance of Igneous petrology in understanding the Earth.
3. Discriminate the implications of foliated and non-foliated metamorphic rocks.
4. Discuss the types and facies of metamorphisms associated to the subduction zones
5. Differentiate the metallic and non-metallic minerals in terms of their properties, occurrence and economic importance.
6. Illustrate the relationship between silicate structure and the physical properties of silicate minerals.
7. Explain how the optical indicatrix of biaxial minerals relates to their crystallographic axes and refractive indices. (5)

8. Explain Miller Indices (MI), their representation in crystal diagrams, and significance of their negative and zero values. (5)

9. Discuss your views on the impact of increasing level of rainfall on weathering and mass wasting in the land of Kerala. (5)

10. Explain how an earthquake of high magnitude occurs in a remote area differ in its intensity reports compared to one with the same magnitude occur in a city. (5)

11. Discuss the formation of deep and wide cracks observed on top of the glaciers, based on the mechanism of glacial movement. (5)

12. Illustrate the stages of formation of the chain of volcanic islands, and guyots in the oceans. (5)

13. Write about the diagenetic processes involved in siliciclastic rock formation during deep burial. (5)

14. Prepare a note on sedimentary structures that are seen in bedding plane. (5)

15. Differentiate sandstone from conglomerate and shale. (5)

16. Compare the characteristics of sedimentary basins related to subduction in convergent settings. (5)

17. Compare the disjunctive and continuous foliations with suitable examples. (5)

18. Discuss various type of deformation in rocks with respect to increase in temperature and pressure. (5)

19. Explain the mechanism of formation of various types of folds. (5)

20. Discriminate the fractures and joints form in the rocks. (5)

21. Comment on the morphological evolution of Trilobites as a response to changing environment. (5)

22. Significance of Glossopteris and Gangamopteris fossils. (5)

23. Explain the lithology and depositional environment of Vindhyan Supergroup of rocks. (5)

24. Briefly describe Lithostratigraphic, Chronostratigraphic and Geochronologic units. (5)

25. Chromite deposits are mostly seen associated with ultramafic rocks. Why? (5)

26. How the process of residual concentration leads to the formation of Bauxite deposits? (5)

27. Give an account of Iron ore deposits of India. (5)

28. Mineral sand deposits of Kerala and it’s link to the hinterland rocks. (5)

29. Describe three methods for the sustainable use of mineral resources. (5)

30. Add your comments about the statement “Climate change has to be fought globally”. (5)

31. Write down the significance of coastal zone protection with particular reference to Kerala. (5)

32. Express your views about geologist’s role in the conservation of environment. (5)

33. Describe the validity of Darcy’s Law as a factor of Reynolds Number, when the flow pattern through porous media transits from laminar to turbulent flow. (5)

34. Based on pumping test, how can one bring out the relationship between aquifer characteristics and long-term safe yield of groundwater? (5)

35. How do the interactions between climatic, biological, and topographic factors influence the development of soil profiles over time? (5)

36. Illustrate to what extent the coupling of hill-slope instability factors can be modelled to predict landslide occurrence in different geological environments. (5)

37. Based on the aerial photos, describe how you would identify the location of the antiform and synform structures, providing key indicators to look for in the landscape. (5)

38. Accentuate the potentials of integrated thermal infrared remote sensing and synthetic aperture radar applications in the assessment of mineral exploration in complex geological environments. (5)

39. Describe the advantages of hyperspectral data over multi-spectral data on enhancing the segmentation accuracy in geological mapping tasks? (5)

40. Enumerate the steps to design a spatially explicit predictive model to assess the potential hazard of a natural disaster, considering the interaction between environmental variables and socio-economic factors. (5)