PART – A I. Answer All the following questions. (10 X 1 = 10) 1. Define Petrology? 2. What is phenocryst? 3. What is digenesis? 4. What are agents of metamorphism? 5. What is the age of the earth? 6. What is True dip? 7. What is fold Axis? 8. What is Era? 9. Define fossil. 10. Give an example of plant fossil.
PART B II. Answer any five of the following questions. (5 X 2 = 10) 11. Define dyke? 12. What is fault line? 13. Define Pre-Cambrian Eon. 14. Define Conglomerate. 15. What are non-clastic rocks? 16. Define conformable beds? 17. What is Mesozoic era? 18. What is Calyx?
PART- C III. Answer any five of the following questions. (5 X 3 = 15) 19. What is extrusive form of igneous rocks? 20. Describe shape of crystals. 21. Describe dynamic metamorphism. 22. Describe marble and quartz? 23. With neat labeled diagram define fold. 24. What are two kinds of Dips? 25. Define Law of order of superposition. 26. Define mould and cast.
PART D IV. Answer any two of the following (2 X 5 = 10) 27. With neat labeled diagram describe Pillow 28. Describe classification sedimentary rocks based on grain size. 29. Describe textures in metamorphic rocks.
V. Answer any two of the following (2 X 5 = 10) 30. Describe types of joints. 31. Describe principles of stratigraphy. 32. Describe types of fossilization.
VI. Answer any three of the following (3 X 5 = 15) 33. Describe mutual relationship of minerals. 34. Describe zones of metamorphism. 35. Describe normal and reverse fault. 36. Describe salient feature of Paleozoic era. 37. Describe general morphology and range in age of brachiopods.
