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DUET 2019 MSc Geology Previous Queston Papers

Delhi University Entrance Test (DUET) 2019 MSc Geology Previous Queston Papers

This post was last modified on 19 June 2020

DUET Last 10 Years 2011-2021 Question Papers With Answer Key || Delhi University Entrance Test conducted by the NTA


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DU MSc Geology

--- Content provided by​ FirstRanker.com ---

Topic:- DU_J19_MSC_GEO

  1. If the RQD value is 65, then the rock quality is said to be [Question ID = 2756]

    1. Fair [Option ID = 11021]
    2. Good [Option ID = 11022]
    3. None of these [Option ID = 11024]
    4. --- Content provided by‍ FirstRanker.com ---

    5. Excellent [Option ID = 11023]

    Correct Answer :-

    • Fair [Option ID = 11021]
  2. If the hinge line of a fold has a pitch of 85° on the easterly dipping axial surface, the fold is called [Question ID = 2716]

    --- Content provided by⁠ FirstRanker.com ---

    1. Recumbent fold [Option ID = 10861]
    2. Reclined fold [Option ID = 10864]
    3. Plunging upright fold [Option ID = 10862]
    4. Non-plunging inclined fold [Option ID = 10863]

    Correct Answer :-

    --- Content provided by‍ FirstRanker.com ---

    • Recumbent fold [Option ID = 10861]
  3. Which of the following elements is present in 4 and bordination with O? [Question ID = 2803]

    1. K+ [Option ID = 11209]
    2. Na+ [Option ID = 11211]
    3. --- Content provided by‌ FirstRanker.com ---

    4. Ca2+ [Option ID = 11210]
    5. Al3+ [Option ID = 11212]

    Correct Answer :-

    • K+ [Option ID = 11209]
  4. --- Content provided by‍ FirstRanker.com ---

  5. Which of the following part of EMR correspond to X-Rays? [Question ID = 2785]

    1. 0.03 nm to 0.3 nm [Option ID = 11138]
    2. <0.03 nm [Option ID = 11137]
    3. 0.4 µm to 0.7 µm [Option ID = 11139]
    4. 0.7 µm to 3 µm [Option ID = 11140]
    5. --- Content provided by​ FirstRanker.com ---

    Correct Answer :-

    • <0.03 nm [Option ID = 11137]
  6. The mountain slope in arid region showing erosion and very thin veneer of sediments is known as: [Question ID = 2713]

    1. Pediment [Option ID = 10851]
    2. --- Content provided by FirstRanker.com ---

    3. Playa [Option ID = 10849]
    4. Piedmont [Option ID = 10850]

    Correct Answer :-

    • Playa [Option ID = 10849]
  7. --- Content provided by FirstRanker.com ---

  8. A greisen deposit exposes the part of a granitic body. [Question ID = 2736]

    1. Uppermost [Option ID = 10942]
    2. Middle [Option ID = 10943]
    3. Lower [Option ID = 10941]
    4. Basal [Option ID = 10944]
    5. --- Content provided by⁠ FirstRanker.com ---

    Correct Answer :-

    • Lower [Option ID = 10941]
  9. The mineralogical abundance of the Earth's crust shows that .................is the most abundant mineral. [Question ID = 2767]

    1. Olivine [Option ID = 11068]
    2. --- Content provided by‌ FirstRanker.com ---

    3. Feldspar [Option ID = 11065]
    4. Quartz [Option ID = 11066]
    5. Pyroxene [Option ID = 11067]

    Correct Answer :-

    • Feldspar [Option ID = 11065]
    • --- Content provided by​ FirstRanker.com ---

  10. Serpentine is a [Question ID = 2740]

    1. Tectosilicate [Option ID = 10958]
    2. Inosilicate [Option ID = 10957]
    3. Nesosilicate [Option ID = 10960]
    4. --- Content provided by‌ FirstRanker.com ---

    5. Phyllosilicate [Option ID = 10959]

    Correct Answer :-

    • Inosilicate [Option ID = 10957]
  11. A sedimentologist interprets a matrix-supported conglomerate with sharp, non-erosional base and with a(p)a(i) imbrication of clast as product of [Question ID = 2722]

    --- Content provided by⁠ FirstRanker.com ---

    1. Unconformity [Option ID = 10885]
    2. Grain flow [Option ID = 10887]
    3. Channel lag [Option ID = 10886]
    4. Debris flow [Option ID = 10888]

    Correct Answer :-

    --- Content provided by FirstRanker.com ---

    • Unconformity [Option ID = 10885]
  12. Bhakra dam is made up of [Question ID = 2755]

    1. Earth fill [Option ID = 11017]
    2. A combination of all [Option ID = 11020]
    3. --- Content provided by FirstRanker.com ---

    4. Concrete [Option ID = 11019]
    5. Rock fill [Option ID = 11018]

    Correct Answer :-

    • Earth fill [Option ID = 11017]
  13. --- Content provided by FirstRanker.com ---

  14. Sea water is saline because [Question ID = 2729]

    1. Na+2 has higher residency time compared to Ca+2 [Option ID = 10916]
    2. Na+ and Cl are most abundant cation and anion in seawater. [Option ID = 10913]
    3. Ca+2 is les abundant in sea water than Na+2 [Option ID = 10915]
    4. Na+2 is abundant but Cl¯ is less abundant. [Option ID = 10914]
    5. --- Content provided by‍ FirstRanker.com ---

    Correct Answer :-

    • Na+ and Cl are most abundant cation and anion in seawater. [Option ID = 10913]
  15. Texturally super mature sandstone is defined by [Question ID = 2772]

    1. Lots of clay, well-sorting, Subrounded grains [Option ID = 11086]
    2. --- Content provided by‍ FirstRanker.com ---

    3. Lots of clay, poor sorting, subangular grains [Option ID = 11085]
    4. Little or no clay, poor-soring, angular grains [Option ID = 11088]
    5. No clay, well-soring, well rounded grains [Option ID = 11087]

    Correct Answer :-

    • Lots of clay, poor sorting, subangular grains [Option ID = 11085]
    • --- Content provided by⁠ FirstRanker.com ---

  16. In a 'Similar fold', the dip isogons drawn on the two limbs of the folded layer in a profile section [Question ID = 2717]

    1. diverge strongly towards the core [Option ID = 10867]
    2. remain parallel to the axial trace [Option ID = 10866
    3. converge strongly towards the core
    4. --- Content provided by‌ FirstRanker.com ---

    5. converge weakly towards the core. [Option ID = 10865]

    Correct Answer :-

    • converge strongly towards the core [Option ID = 10865]
  17. Early stages of diagenesis in carbonate rocks show [Question ID = 2774]

    --- Content provided by⁠ FirstRanker.com ---

    1. Blocky cement [Option ID = 11094]
    2. Rim cement [Option ID = 11095]
    3. Drusy cement [Option ID = 11093]
    4. Pressure solution [Option ID = 11096]

    Correct Answer :-

    --- Content provided by​ FirstRanker.com ---

    • Drusy cement [Option ID = 11093]
  18. The metamorphic facies not present in the low-P series metamorphism is [Question ID = 2741]

    1. Amphibolite facies [Option ID = 10962]
    2. Epidote-amphibolite facies [Option ID = 10961]
    3. --- Content provided by⁠ FirstRanker.com ---

    4. Pyroxene Hornfels facies [Option ID = 10963]
    5. Sanidinite facies [Option ID = 10964]

    Correct Answer :-

    • Epidote-amphibolite facies [Option ID = 10961]
  19. --- Content provided by⁠ FirstRanker.com ---

  20. Hydraulic conductivity is a function of: [Question ID = 2705]

    1. Medium alone [Option ID = 10817]
    2. Both fluid and medium [Option ID = 10819]
    3. None of the above [Option ID = 10820]
    4. Fluid alone [Option ID = 10818]
    5. --- Content provided by​ FirstRanker.com ---

    Correct Answer :-

    • Medium alone [Option ID = 10817]
  21. The most fundamental unit of lithostratigraphy is: [Question ID = 2787]

    1. Group [Option ID = 11145]
    2. --- Content provided by⁠ FirstRanker.com ---

    3. Super Group [Option ID = 11146]
    4. Member [Option ID = 11148]
    5. Formation [Option ID = 11147]

    Correct Answer :-

    • Group [Option ID = 11145]
    • --- Content provided by​ FirstRanker.com ---

  22. Which part of the Earth is marked by extensive weathering and formation of thick Fe and Al hydroxides and oxides? [Question ID = 2768]

    1. Steppe [Option ID = 11070]
    2. Tropical [Option ID = 11072]
    3. Desert [Option ID = 11071]
    4. --- Content provided by⁠ FirstRanker.com ---

    5. Savana [Option ID = 11069]

    Correct Answer :-

    • Savana [Option ID = 11069]
  23. The principal section of a uniaxial mineral contains [Question ID = 2760]

    --- Content provided by‍ FirstRanker.com ---

    1. Optic axis and one vertical symmetry axis. [Option ID = 11040]
    2. Optic axis and one horizontal symmetry axis [Option ID = 11039]
    3. Optic axis and extraordinary ray [Option ID = 11038]
    4. Optic axis and ordinary ray [Option ID = 11037]

    Correct Answer :-

    --- Content provided by‍ FirstRanker.com ---

    • Optic axis and ordinary ray [Option ID = 11037]
  24. Resistivity sounding in groundwater exploration estimates: [Question ID = 2710]

    1. Variation of resistivity with depth [Option ID = 10837]
    2. None of the above [Option ID = 10840]
    3. --- Content provided by‌ FirstRanker.com ---

    4. Horizontal variation in resistivity [Option ID = 10838]
    5. Both Variation of resistivity with depth and Horizontal variation in resistivity [Option ID = 10839]

    Correct Answer :-

    • Variation of resistivity with depth [Option ID = 10837]
  25. --- Content provided by‌ FirstRanker.com ---

  26. In the earth atmosphere, the atmospheric pressure [Question ID = 2734]

    1. increases with height [Option ID = 10933]
    2. remains constant with height [Option ID = 10935]
    3. first increases and then decreases with height [Option ID = 10936]
    4. decreases with height [Option ID = 10934]
    5. --- Content provided by‍ FirstRanker.com ---

    Correct Answer :-

    • increases with height [Option ID = 10933]
  27. This assemblage is characteristic of low to medium grade low-P series metamorphism of pelites [Question ID = 2739]

    1. Kyanite+garnet+biotite+muscovite+quartz [Option ID = 10956]
    2. --- Content provided by⁠ FirstRanker.com ---

    3. Garnet+sillimanite+Kfeldspar+biotite+quartz [Option ID = 10954]
    4. Cordierite+sillimanite+Kfeldspar+quartz [Option ID = 10953]
    5. Cordierite+biotite+muscovite+quartz [Option ID = 10955]

    Correct Answer :-

    • Cordierite+sillimanite+Kfeldspar+quartz [Option ID = 10953]
    • --- Content provided by‍ FirstRanker.com ---

  28. A glide plane involves [Question ID = 2761]

    1. Inversion + rotation [Option ID = 11044]
    2. Translation + inversion [Option ID = 11043]
    3. Reflection + translation [Option ID = 11042]
    4. --- Content provided by​ FirstRanker.com ---

    5. Rotation + reflection [Option ID = 11041]

    Correct Answer :-

    • Rotation + reflection [Option ID = 11041]
  29. The seismic discontinuity within Earth at a depth bout 2,900 km is known as: [Question ID = 2786]

    --- Content provided by‍ FirstRanker.com ---

    1. Gutenberg Discontinuity [Option ID = 11142]
    2. Mohorovicic Discontinuity [Option ID = 11141
    3. Lehmann Discontinuity [Option ID = 11143
    4. Conard Discontinuity [Option ID = 11144]

    Correct Answer :-

    --- Content provided by‍ FirstRanker.com ---

    • Mohorovicic Discontinuity [Option ID = 11141]
  30. The spinifex texture with long spines of olivine is associated with: [Question ID = 2801]

    1. Komatiite [Option ID = 11203]
    2. Kimberlite [Option ID = 11204]
    3. --- Content provided by‌ FirstRanker.com ---

    4. Gabbro [Option ID = 11202]
    5. Basalt [Option ID = 11201]

    Correct Answer :-

    • Basalt [Option ID = 11201]
  31. --- Content provided by‍ FirstRanker.com ---

  32. The Ganga Brahmaputra groundwater province includes [Question ID = 2712]

    1. The Aravallis [Option ID = 10847]
    2. The Deccan basalts [Option ID = 10846]
    3. The Vindhyans [Option ID = 10845]
    4. Bhabar and Tarai belts [Option ID = 10848]
    5. --- Content provided by‍ FirstRanker.com ---

    Correct Answer :-

    • The Vindhyans [Option ID = 10845]
  33. The composition of the Brachiopod evolved from -------- to -----. [Question ID = 2779]

    1. Calcareous to siliceous [Option ID = 11116]
    2. --- Content provided by​ FirstRanker.com ---

    3. Siliceous to phosphatic [Option ID = 11113]
    4. Chitin-phosphate to siliceous [Option ID = 11115]
    5. Chitin-phosphate to calcareous [Option ID = 11114]

    Correct Answer :-

    • Siliceous to phosphatic [Option ID = 11113]
    • --- Content provided by‍ FirstRanker.com ---

  34. Glossopteris became less diverse in [Question ID = 2744]

    1. Permian [Option ID = 10973]
    2. Triassic [Option ID = 10975]
    3. Cretaceous [Option ID = 10974]
    4. --- Content provided by​ FirstRanker.com ---

    5. Jurassic [Option ID = 10976]

    Correct Answer :-

    • Permian [Option ID = 10973]
  35. The physics of how organisms move is known as [Question ID = 2753]

    --- Content provided by⁠ FirstRanker.com ---

    1. Biomechanics [Option ID = 11010]
    2. Biotechnology [Option ID = 11009]
    3. biostratinomy [Option ID = 11012]
    4. bioimmuration [Option ID = 11011]

    Correct Answer :-

    --- Content provided by‌ FirstRanker.com ---

    • Biotechnology [Option ID = 11009]
  36. Deepest Trench occurs in [Question ID = 2732]

    1. Atlantic Ocean [Option ID = 10927]
    2. Indian Ocean [Option ID = 10928]
    3. --- Content provided by‍ FirstRanker.com ---

    4. Pacific Ocean [Option ID = 10926]
    5. Arctic Ocean [Option ID = 10930]

    Correct Answer :-

    • Arctic Ocean [Option ID = 10925]
  37. --- Content provided by⁠ FirstRanker.com ---

  38. In pericline law of twining in plagioclase, the rhombic section is parallel to [Question ID = 2762]

    1. (101) [Option ID = 11047]
    2. (001) [Option ID = 11046]
    3. (011) [Option ID = 11048]
    4. (010) [Option ID = 11045]
    5. --- Content provided by‌ FirstRanker.com ---

    Correct Answer :-

    • (010) [Option ID = 11045]
  39. Le Feldslica poor [Question ID = 2763]

    1. KAlSi2O8 [Option ID = 11059]
    2. --- Content provided by⁠ FirstRanker.com ---

    3. KAlSi2O6 [Option ID = 11060]
    4. KAlSi3O8 [Option ID = 11057]
    5. KAl2Si3O8 [Option ID = 11058]

    Correct Answer :-

    • KAlSi3O8 [Option ID = 11057]
    • --- Content provided by‌ FirstRanker.com ---

  40. A fold with a sharp hinge and slightly bent (wavy) limbs in a profile section is called: [Question ID = 2715]

    1. Arrowhead fold [Option ID = 10859]
    2. Box fold [Option ID = 10860]
    3. Polyclinal fold [Option ID = 10858]
    4. --- Content provided by FirstRanker.com ---

    5. Chevron fold [Option ID = 10857]

    Correct Answer :-

    • Chevron fold [Option ID = 10857]
  41. AFM diagrams for metamorphic rocks can be called as [Question ID = 2743]

    --- Content provided by‍ FirstRanker.com ---

    1. Compatibility diagrams [Option ID = 10971]
    2. Pseudocomponent diagrams [Option ID = 10970]
    3. Phase diagrams [Option ID = 10969]
    4. All of the above [Option ID = 10972]

    Correct Answer :-

    --- Content provided by FirstRanker.com ---

    • Phase diagrams [Option ID = 10969]
  42. The monsoon has well developed [Question ID = 2733]

    1. East United State [Option ID = 10932
    2. Africa [Option ID = 10931]
    3. --- Content provided by‍ FirstRanker.com ---

    4. Indian and South East Asia [Option ID = 10930]
    5. North Australia [Option ID = 10930]

    Correct Answer :-

    • Indian and South East Asia [Option ID = 10929]
  43. --- Content provided by FirstRanker.com ---

  44. The drainage pattern over a gently sloping, uniformly resistant terrain will be [Question ID = 2776]

    1. Parallel [Option ID = 11103]
    2. Trellis [Option ID = 11102]
    3. Dendritic [Option ID = 11104]
    4. Rectangular [Option ID = 11101]
    5. --- Content provided by‍ FirstRanker.com ---

    Correct Answer :-

    • Rectangular [Option ID = 11101]
  45. The triple point for the kyanite, sillimanite and andalusite occurs at: [Question ID = 2799]

    1. 4 kbar, 510 °C [Option ID = 11195]
    2. --- Content provided by‍ FirstRanker.com ---

    3. 6 kbar, 610 °C [Option ID = 11193]
    4. 8 kbar, 310 °C [Option ID = 11196]
    5. 5 kbar, 710 °C [Option ID = 11194]

    Correct Answer :-

    • 6 kbar, 610 °C [Option ID = 11193]
    • --- Content provided by​ FirstRanker.com ---

  46. The last appearance of Hipparion defines the: [Question ID = 2789]

    1. Paleocene/Eocene boundary [Option ID = 11153]
    2. Miocene/Pliocene boundary [Option ID = 11156]
    3. Oligocene/Miocene boundary [Option ID = 11155]
    4. --- Content provided by FirstRanker.com ---

    5. Pliocene/Pleistocene boundary [Option ID = 11154]

    Correct Answer :-

    • Paleocene/Eocene boundary [Option ID = 11153]
  47. The bedforms of the lower flow regime migrate: [Question ID = 2769]

    --- Content provided by‌ FirstRanker.com ---

    1. Downstream [Option ID = 11074]
    2. Do not migrate [Option ID = 11076]
    3. Upstream [Option ID = 11073]
    4. Transverse to flow [Option ID = 11075]

    Correct Answer :-

    --- Content provided by FirstRanker.com ---

    • Upstream [Option ID = 11073]
  48. Calcium in garnet is in [Question ID = 2764]

    1. 3 fold coordination [Option ID = 11053]
    2. 8 fold coordination [Option ID = 11056]
    3. --- Content provided by​ FirstRanker.com ---

    4. 6 fold coordination [Option ID = 11055]
    5. 4 fold coordination [Option ID = 11054]

    Correct Answer :-

    • 3 fold coordination [Option ID = 11053]
  49. --- Content provided by‍ FirstRanker.com ---

  50. The cephalopod with both saddle and lobes denticulated is: [Question ID = 2782]

    1. Goniatite [Option ID = 11125]
    2. Ammonite [Option ID = 11127]
    3. None of the above [Option ID = 11128]
    4. Ceratitie [Option ID = 11126]
    5. --- Content provided by​ FirstRanker.com ---

    Correct Answer :-

    • Goniatite [Option ID = 11125]
  51. The marine to continental transition in the Himalayan foreland is marked by: [Question ID = 2792]

    1. Upper Dharamshala to Lower Siwaliks [Option ID = 11168]
    2. --- Content provided by‌ FirstRanker.com ---

    3. Lower to Middle Upper Siwalik [Option ID = 11165]
    4. Subathu to Dagshai Formation [Option ID = 11167]
    5. Dagshai to Kasouli Formation [Option ID = 11166]

    Correct Answer :-

    • Lower to Middle Upper Siwalik [Option ID = 11165]
    • --- Content provided by‍ FirstRanker.com ---

  52. Cambrian explosion marks the beginning of [Question ID = 2749]

    1. extinction of trilobites [Option ID = 10996]
    2. Skeletalisation [Option ID = 10993]
    3. Diversification of corals [Option ID = 10994]
    4. --- Content provided by​ FirstRanker.com ---

    5. Trilobite expansion [Option ID = 10995]

    Correct Answer :-

    • Skeletalisation [Option ID = 10993]
  53. In order to analyze paleo-environment/s of a sedimentary basin in geological rock record, we mainly depend on [Question ID = 2721]

    --- Content provided by​ FirstRanker.com ---

    1. Paleo-current analyses [Option ID = 10882]
    2. Facies association analyses [Option ID = 10883]
    3. Facies analyses [Option ID = 10881]
    4. Lithological description [Option ID = 10884]

    Correct Answer :-

    --- Content provided by​ FirstRanker.com ---

    • Facies analyses [Option ID = 10881]
  54. Bone coal refers to [Question ID = 2720]

    1. Very pure coal containing low ash content [Option ID = 10878]
    2. Dense coal with more than 90% carbon [Option ID = 10880]
    3. --- Content provided by‌ FirstRanker.com ---

    4. Very impure coal containing high ash content [Option ID = 10879]
    5. Dull, black coal that breaks with conchoidal fracture [Option ID = 10877]

    Correct Answer :-

    • Very impure coal containing high ash content [Option ID = 10879]
  55. --- Content provided by⁠ FirstRanker.com ---

  56. Plutonic equivalent of Trachyte is: [Question ID = 2802]

    1. Syenite [Option ID = 11207]
    2. Granite [Option ID = 11205]
    3. Diorite [Option ID = 11208]
    4. Granodiorite [Option ID = 11206]
    5. --- Content provided by‍ FirstRanker.com ---

    Correct Answer :-

    • Granite [Option ID = 11205]
  57. Humans dispersed out from centre of origin [Question ID = 2745]

    1. African [Option ID = 10977]
    2. --- Content provided by​ FirstRanker.com ---

    3. European [Option ID = 10979]
    4. New World [Option ID = 10980]
    5. Asian [Option ID = 10978]

    Correct Answer :-

    • African [Option ID = 10977]
    • --- Content provided by‍ FirstRanker.com ---

  58. Cyclic twinning is associated with: [Question ID = 2800]

    1. Plagioclase [Option ID = 11199]
    2. Pyrite [Option ID = 11197]
    3. Orthoclase [Option ID = 11200]
    4. --- Content provided by FirstRanker.com ---

    5. Aragonite [Option ID = 11198]

    Correct Answer :-

    • Pyrite [Option ID = 11197]
  59. Pigeonite is a clinopyroxene that contains [Question ID = 2759]

    --- Content provided by FirstRanker.com ---

    1. Less Ca than Augite [Option ID = 11036]
    2. More Ca than Augite [Option ID = 11035]
    3. Less Na than Augite [Option ID = 11034]
    4. More Na than Augite [Option ID = 11033]

    Correct Answer :-

    --- Content provided by⁠ FirstRanker.com ---

    • More Na than Augite [Option ID = 11033]
  60. The Ganges-Brahmputra delta is characterized by [Question ID = 2777]

    1. Tide dominated marshy island, bars and mangroves [Option ID = 11107]
    2. Fluvial dominated long streams with natural levees [Option ID = 11105]
    3. --- Content provided by‌ FirstRanker.com ---

    4. Braid plains and bars [Option ID = 11108]
    5. Wave dominated beaches and barriers [Option ID = 11106]

    Correct Answer :-

    • Fluvial dominated long streams with natural levees [Option ID = 11105]
  61. --- Content provided by‍ FirstRanker.com ---

  62. The mantle plume related to Deccan Trap is known as: Question ID = 2791]

    1. Kergulean [Option ID = 11161]
    2. Jan Mayen [Option ID = 11164]
    3. Marion [Option ID = 11163]
    4. Reunian [Option ID = 11162]
    5. --- Content provided by FirstRanker.com ---

    Correct Answer :-

    • Kergulean [Option ID = 11161]
  63. Assertion (A): Tetrapods vertebrates but some vertebrates are not tetrapods Reasoning (R): Vertebrae appeared first followed by tetrapod limb in the evolutionary history of chordates [Question ID = 2751]

    1. R explains A [Option ID = 11003]
    2. --- Content provided by FirstRanker.com ---

    3. A & R are false [Option ID = 11002]
    4. A is false [Option ID = 11001]
    5. R does not explain A [Option ID = 11004]

    Correct Answer :-

    • A is false [Option ID = 11001]
    • --- Content provided by‌ FirstRanker.com ---

  64. The plagioclase with ab50 to ab70 is known as [Question ID = 2796]

    1. Albite [Option ID = 11181]
    2. Anorthite [Option ID = 11184]
    3. Andesine [Option ID = 11183]
    4. --- Content provided by‌ FirstRanker.com ---

    5. Oligoclase [Option ID = 11182]

    Correct Answer :-

    • Albite [Option ID = 11181]
  65. In prograde metamorphism of mafic rocks from greenschist to amphibolite facies which is/are the characteristic change/s [Question ID = 2735]

    --- Content provided by⁠ FirstRanker.com ---

    1. Change of anorthite content of plagioclase from oligoclase to andesine [Option ID = 10937]
    2. First appearance of orthopyroxene [Option ID = 10940]
    3. Both Change of anorthite content of plagioclase from oligoclase to andesine and Change of amphibole composition from actinolite to common hornblende [Option ID = 10939]
    4. Change of amphibole composition from actinolite to common hornblende [Option ID = 10938]

    Correct Answer :-

    --- Content provided by​ FirstRanker.com ---

    • Change of anorthite content of plagioclase from oligoclase to andesine [Option ID = 10937]
  66. Speciation by geographic isolation is known as [Question ID = 2748]

    1. Allopatric [Option ID = 10989]
    2. Sympatric [Option ID = 10990]
    3. --- Content provided by​ FirstRanker.com ---

    4. None of these [Option ID = 10992]
    5. Anagenesis [Option ID = 10991]

    Correct Answer :-

    • Allopatric [Option ID = 10989]
  67. --- Content provided by‌ FirstRanker.com ---

  68. Kyanite=> Sillimanite [Question ID = 2742]

    1. A continuous reaction [Option ID = 10966]
    2. A discontinuous reaction [Option ID = 10965]
    3. A oxidation reaction [Option ID = 10968]
    4. An Ion-Exchange reaction [Option ID = 10967]
    5. --- Content provided by‍ FirstRanker.com ---

    Correct Answer :-

    • A discontinuous reaction [Option ID = 10965]
  69. Total number of lattice ints in a 3-d primitive cell is [Question ID = 13542]

    1. 1 [Option ID = 24165]
    2. --- Content provided by​ FirstRanker.com ---

    3. 4 [Option ID = 24167]
    4. 2 [Option ID = 24166]
    5. 8 [Option ID = 24168]

    Correct Answer :-

    • 1 [Option ID = 24165]
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  70. Reversal of paleocurrent, cross bedding and mud drapes commonly occur in: [Question ID = 2724]

    1. None of the above [Option ID = 10896]
    2. Tide dominated delta [Option ID = 10895]
    3. Wave dominated delta [Option ID = 10894]
    4. --- Content provided by⁠ FirstRanker.com ---

    5. Fluvial dominated delta [Option ID = 10893]

    Correct Answer :-

    • Fluvial dominated delta [Option ID = 10893]
  71. Which of the following Brachiopod is still living? [Question ID = 2780]

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    1. Athyris [Option ID = 11118]
    2. Orthis [Option ID = 11117]
    3. Lingula [Option ID = 11120]
    4. Atryrapa [Option ID = 11119]

    Correct Answer :-

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    • Orthis [Option ID = 11117]
  72. Which of the following silica minerals is a characteristic of high pressure in excess of 20 Kbar? [Question ID = 2794]

    1. Cristobalite [Option ID = 11176]
    2. Opal [Option ID = 11173]
    3. --- Content provided by⁠ FirstRanker.com ---

    4. Tridymite [Option ID = 11174]
    5. Coesite [Option ID = 11175]

    Correct Answer :-

    • Opal [Option ID = 11173]
  73. --- Content provided by‍ FirstRanker.com ---

  74. Which of the following minerals is a cyclosilicate? [Question ID = 2793]

    1. Olivine [Option ID = 11169]
    2. Anthophyllite [Option ID = 11172]
    3. Enstatite [Option ID = 11170]
    4. Beryl [Option ID = 11171]
    5. --- Content provided by⁠ FirstRanker.com ---

    Correct Answer :-

    • Olivine [Option ID = 11169]
  75. Which of the followings rocks, the most abundant sedimentary rock in geological record of the Earth? [Question ID = 2766]

    1. Mud rocks [Option ID = 11061]
    2. --- Content provided by FirstRanker.com ---

    3. Limestones [Option ID = 11063]
    4. Sandstones [Option ID = 11062]
    5. Conglomerates [Option ID = 11064]

    Correct Answer :-

    • Mud rocks [Option ID = 11061]
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  76. Highstand of Sea level favours [Question ID = 2723]

    1. Calcitic ooids due to higher CO2 and lower Mg/Ca ratio [Option ID = 10889]
    2. Aragonite ooids due to lower CO2 and higher Mg/Ca ratio [Option ID = 10891]
    3. Calcite ooids due to lower CO2 and lower Mg/Ca ratio [Option ID = 10892]
    4. --- Content provided by⁠ FirstRanker.com ---

    5. Calcitic ooids due to higher CO2 and higher Mg/Ca ratio [Option ID = 10890]

    Correct Answer :-

    • Calcitic ooids due to higher CO2 and lower Mg/Ca ratio [Option ID = 10889]
  77. Ediacaran Metazoan appeared at: [Question ID = 2790]

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    1. Hadean [Option ID = 11159]
    2. Archean [Option ID = 11160]
    3. paleo Proterozoic [Option ID = 11157]
    4. Neoproterozoic [Option ID = 11158]

    Correct Answer :-

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    • paleo Proterozoic [Option ID = 11157]
  78. Coral reefs are generally found in [Question ID = 2726]

    1. Tropical regions [Option ID = 10902]
    2. Subtropical regions [Option ID = 10904]
    3. --- Content provided by⁠ FirstRanker.com ---

    4. Mid latitude region [Option ID = 10903]
    5. Polar regions [Option ID = 10901]

    Correct Answer :-

    • Tropical regions [Option ID = 10902]
  79. --- Content provided by​ FirstRanker.com ---



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