Geology Practice Papers

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Practice Papers on Geology

1. __________ is mineralogically equivalent to granite.
(A) Aplite
(B) Gabbro
(C) Dolerite
(D) Syenite

2. ___ is the volcanic equivalent of granodiorite.
(A) Rhyolite
(B) Dacite
(C) Trachyte
(D) Phonolite

3. Graphic texture is a product of crystallization at
(A) tripple point
(B) incongruent point
(C) eutectic point
(D) quadrotectic point

4. Which of the following may not be of metamorphic origin?
(A) Granite
(B) Basalt
(C) Trachyte
(D) Gabbro

5. Ophitic texture is commonly exhibited by
(A) Lamprophyre
(B) Dolerite
(C) Harzburgite
(D) trachyte

6. Batholiths are always associated with
(A) earthquake zones
(B) orogenic belt
(C) island arc
(D) fold and faults

7. ___ texture is absent in plutonic igneous rocks.
(A) Holohyaline
(B) Holocrystalline
(C) Porphyritic
(D) Granitic

8. Conglomerate with compositionally one type of pebble is called
(A) polymictic conglomerate
(B) oligomictic conglomerate
(C) intraformational conglomerate
(D) interformational conglomerate

9. Pudding stone is a synonymous term for
(A) Breccia
(B) Grit
(C) Khondalite
(D) conglomerate

10. ___ is a light-coloured sandstone with at least 25% feldspar.
(A) Orthoquartite
(B) Arkose
(C) Greywacke
(D) Grit

11. Silt and clay deposits formed by the sediments carried in suspension by air currents is known as
(A) Marlite
(B) Novaculite
(C) Loess
(D) lacustrine

12. Find the argillaceous rock from the following :
(A) Sandstone
(B) Suiltstone
(C) Shale
(D) Grit

13. Find out the discordant bedding of the following :
(A) Current bedding
(B) Graded bedding
(C) Ripple marks
(D) Mud cracks

14. Rounded clasts, high SiO2 and Al2O3 high ZTR reflect
(A) high maturity
(B) low maturity
(C) tectonic unstability
(D) reducing conditions

15. Blastoporphyritic -means
(A) an inherited porphyritic fabric
(B) equigranular fabric
(C) a fabric that develops during metamorphism
(D) post-metamorphic fabric

16. Hornfelsic rocks form due to ____ metamorphism.
(A) Regional
(B) Contact
(C) Cataclastic
(D) pneumatolytic

17. Which of the following rocks was produced by dynamothermal metamorphism?
(A) Schist
(B) Marble
(C) Mylonite
(D) Slate

18. The general temperature of metamorphism is in between
(A) 400 °C to 1100 °C
(B) 500 °C to 1200 °C
(C) 100 °C to 3000 °C
(D) 200 °C to 800 °C

19. Regional metamorphism occurred due to ______ conditions.
(A) heat predominant
(B) directed pressure predominant
(C) uniform pressure and heat predominant
(D) directed pressure and heat predominant

20. The minerals glaucophane and jadeite are suggestive of
(A) high temperature—low pressure
(B) high pressure—low temperature
(C) high temperature-high pressure
(D) low pressure—low temperature

21. Find the hydrothermal deposit from the following :
(A) Residual deposit
(B) Placer deposit
(C) Cavity-filling deposit
(D) Evaporites

22. Pyrolusite is an ore of
(A) Manganese
(B) Aluminium
(C) Iron
(D) copper

23. The zone of oxidation in the supergene sulphide enrichment process extends
(A) up to the water table
(B) up to 2°5 metres above water table
(C) just below water table
(D) up to the soil level

24. Ladder views are usually found in
(A) Sill
(B) Dyke
(C) lava flows
(D) volcanic pipes

25. Which one of the following is not a magmatic concentration deposit?
(A) Residual liquid deposit
(B) Immiscible liquid deposit
(C) Oxidized and supergene deposit
(D) Pegmatitic deposit

26. Asbestos is used for the production of
(A) insulator
(B) smelting material
(C) textile product
(D) alloy

27. According to Lindgren’s classification, a hydrothermal deposit which is formed at 300 °C to 500 °C and at very high pressure is
(A) Xenothermal
(B) telethermal
(C) mesothermal
(D) hypothermal

28. Which of the following deposits evolves due to sublimation?
(A) Chromite
(B) Magnetite
(C) Sulphur
(D) Diamond

29. The chemical composition of chromite is
(A) Cr2O3
(B) FeO-Cr2O3
(C) Cr2SO4
(D) FeO-CrO3

30. The coal deposit of Assam is economically found in
(A) Tipam Group
(B) Surma Group
(C) Dihing Group
(D) Barail Group

31. The largest resources of lignite in the country are located in
(A) Bhuj and Mehsana, Gujarat
(B) Palana and Baroner, Rajasthan
(C) Karewa Belt, Kashmir
(D) Neyveli, South Arcot, Tamil Nadu

32. Tertiary coals are containing ___ amount of ash than the Gondwana coal.
(A) Higher
(B) Equal
(C) Lower
(D) infinitely higher

33. The oldest oil field of Assam is
(A) Rudrasagar Oil Field
(B) Lakwa Oil Field
(C) Digboi Oil Field
(D) Naharkatiya Oil Field

34. Chromite is a member of the
(A) Spinel Group
(B) Epidote Group
(C) Olivine Group
(D) Mellilite Group

35. Copper deposit of Singhbhum is an example of
(A) fissure vein deposit
(B) shear zone deposit
(C) ladder vein deposit
(D) saddle reef deposit

36. The fundamental unit of lithostratigraphic classification is
(A) Supergroup
(B) Group
(C) formation
(D) member

37. The basic unit of biostratigraphy is
(A) Subzone
(B) Zone
(C) Stage
(D) bed

38. Bhuban Formation is under
(A) Disang Group
(B) Jaintia Group
(C) Surma Group
(D) Barail Group

39. Which of the following formations contains three fossiliferous limestone member?
(A) Kopili Formation
(B) Tikak Parbat Formation
(C) Shella Formation
(D) Bokabil Formation

40. _____ Unconformity marks the boundary between the Cuddapah Supergroup and the Archaean granites and gneisses in the Tirupati Tirumala Hills of South India.
(A) Eparchaean
(B) Conrad
(C) Murugan
(D) Narasimhan

41. Which one of the following belongs to the Lower Vindhya Group?
(A) Kaimur
(B) Rewa
(C) Bhander
(D) Semri

42. In Upper Assam, the Dupitila Formation is known as
(A) Dihing Formation
(B) Dhekiajuti Formation
(C) Naogaon Formation
(D) Namsang Formation

43. Palaeogene includes
(A) Palaeocene, Eocene and Oligocene
(B) Oligocene, Miocene and Pliocene
(C) Palaeocene, Eocene, Oligocene and Miocene
(D) Miocene and Pliocene

44. Which of the following represents the most ancient supracrustal lithounits of Dharwar Craton?
(A) Sargon Group
(B) Bababudan Group
(C) Chitradurga Group
(D) Ranibennur Group

45. The Lower Part of Shillong Group is
(A) Argillaceous
(B) Arenaceous
(C) Carbonaceous
(D) rich in phosphorus

46. Shillong Group of Meghalaya is equivalent to
(A) Iron ore Group
(B) Barail Group
(C) Raniganj Group
(D) Jaintia Group

47. In the following, which is not a lithostratigraphic unit?
(A) Member
(B) Formation
(C) Supersuite
(D) Group

48. Which one of the following is found as an intrusive rock?
(A) Mylliem granite
(B) Khondalite
(C) Deccan Trap
(D) Sylhet Trap

49. Triassic Strata as exposed in Spiti Region is mainly
(A) calcareous and arenaceous
(B) calcareous and carbonaceous
(C) calcareous and argillaceous
(D) argillaceous and arenaceous

50. Who among the following made the law of faunal succession?
(A) William Smith
(B) W. King
(C) L. L. Fermor
(D) J. A. Dunn