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Delhi University Entrance Test (DUET) 2020 Previous Year Question Paper With Answer Key

DU MSc Geology
Topic: GEO MSC S2
1) Most minerals melt to form a liquid of the same composition as the solid. The process is called
[Question ID = 2041]
1. Incongruent melting [Option ID = 8158]
2. Congruent melting [Option ID = 8159]
3. Fractional melting [Option ID = 8160]
4. Fractional crystallization [Option ID = 8161]
Correct Answer :
Congruent melting [Option ID = 8159]
2) A concordant intrusive body with a flat base and domed mushroom shaped roof is called
[Question ID = 2042]
1. Dyke [Option ID = 8162]
2. Laccolith [Option ID = 8163]
3. Lopolith [Option ID = 8164]
4. Batholith [Option ID = 8165]
Correct Answer :
Laccolith [Option ID = 8163]
3) Widmanstatten exsolution pattern is common in
[Question ID = 2043]
1. Iron meteorites [Option ID = 8166]
2. Chondrites [Option ID = 8167]
3. Stony iron meteorites [Option ID = 8168]
4. Basalts [Option ID = 8169]
Correct Answer :
Iron meteorites [Option ID = 8166]
4) Soret Effect is a term associated with
[Question ID = 2044]
1. Viscosity [Option ID = 8170]
2. Diffusion [Option ID = 8171]
3. Melting [Option ID = 8172]
4. Buoyancy [Option ID = 8173]
Correct Answer :
Diffusion [Option ID = 8171]
5) During crystallization of a melt plagioclase become richer in
[Question ID = 2045]
1. Sr [Option ID = 8174]
2. Na [Option ID = 8175]
3. Ca [Option ID = 8176]
4. Ba [Option ID = 8177]
Correct Answer :
Na [Option ID = 8175]
6) What is the most dominant rock type of Deccan traps?
[Question ID = 2046]
1. volcanic tuff [Option ID = 8178]
2. basalts [Option ID = 8179]
3. Bole bed [Option ID = 8180]
4. rhyolite [Option ID = 8181]
Correct Answer :
basalts [Option ID = 8179]
7) What is the effect of water on mineralmelting at a given pressure?
[Question ID = 2047]
1. Water lowers melting temperature
[Option ID = 8182]

---

2. Water raises the melting temperature
[Option ID = 8183]
3. Does not affect melting temperature
[Option ID = 8184]
4. None of these
[Option ID = 8185]
Correct Answer :
Water lowers melting temperature
[Option ID = 8182]
8) Which of the following Nesosilicates is a common constituent of basalt?
[Question ID = 2048]
1. Garnet [Option ID = 8186]
2. Olivine [Option ID = 8187]
3. Silimanite [Option ID = 8188]
4. Zircon [Option ID = 8189]
Correct Answer :
Garnet [Option ID = 8186]
9) The acute bisectrix figure is observed on a crystal plate
[Question ID = 2049]
1. Cut normal to obtuse bisectrix [Option ID = 8190]
2. Cut normal to acute bisectrix [Option ID = 8191]
3. Cut parallel to optic axes [Option ID = 8192]
4. Cut parallel to acute bisectrix [Option ID = 8193]
Correct Answer :
Cut normal to acute bisectrix [Option ID = 8191]
10) Jadeite is a type of
[Question ID = 2050]
1. Olivine [Option ID = 8194]
2. Mica [Option ID = 8195]
3. Pyroxene [Option ID = 8196]
4. Amphibole [Option ID = 8197]
Correct Answer :
Pyroxene [Option ID = 8196]
11) If in a deforming rock body, stress is found to be proportional to strain rate, the material (rock) behaviour is called
[Question ID = 2051]
1. Elastic [Option ID = 8198]
2. Plastic [Option ID = 8199]
3. Elasticoviscous [Option ID = 8200]
4. Viscous [Option ID = 8201]
Correct Answer :
Viscous [Option ID = 8201]
12) If a stretching lineation is found on a cleavage plane, the direction of maximum shortening is likely to be:
[Question ID = 2052]
1. Parallel to the lineation, on the cleavage plane [Option ID = 8202]
2. Perpendicular to the lineation, on the cleavage plane [Option ID = 8203]
3. Perpendicular to the cleavage, parallel to the lineation [Option ID = 8204]
4. Perpendicular to both the cleavage plane and the lineation. [Option ID = 8205]
Correct Answer :
Perpendicular to both the cleavage plane and the lineation. [Option ID = 8205]
13) A rock shows very well developed foliation, but no distinct lineation (Stectonite). The type of strain most likely
representative of the deformation is
[Question ID = 2053]
1. Pure flattening [Option ID = 8206]
2. General flattening [Option ID = 8207]
3. Plane strain [Option ID = 8208]
4. Pure constriction. [Option ID = 8209]
Correct Answer :
Pure flattening [Option ID = 8206]
14) According to Anderson's theory of faulting, the principal stress axis (maximum compressive stress) should be vertical
1

---

during:
[Question ID = 2054]
1. Strikeslip faulting [Option ID = 8210]
2. Normal faulting [Option ID = 8211]
3. Reverse faulting [Option ID = 8212]
4. Wrench faulting. [Option ID = 8213]
Correct Answer :
Normal faulting [Option ID = 8211]
15) A fault plane strikes NS and dips 70? E. On the fault plane, the slickenside lineations show a pitch of 65? northerly.
Which of the following interpretations is correct?
[Question ID = 2055]
1. It is an obliqueslip reverse fault with sinistral sense wrench component
[Option ID = 8214]
2. It is an obliqueslip normal fault with sinistral sense wrench component
[Option ID = 8215]
3. It is an oblique slip normal fault with a dextral sense wrench component
[Option ID = 8216]
4. It is a strikeslip fault with sinistral wrench component.
[Option ID = 8217]
Correct Answer :
It is an obliqueslip normal fault with sinistral sense wrench component
[Option ID = 8215]
16) Humans dispersed out from ------------ center of origin
[Question ID = 2056]
1. African [Option ID = 8218]
2. Asian [Option ID = 8219]
3. European [Option ID = 8220]
4. American. [Option ID = 8221]
Correct Answer :
African [Option ID = 8218]
17) Glossopteris became less diverse in
[Question ID = 2057]
1. Permian
[Option ID = 8222]
2. Cretaceous
[Option ID = 8223]
3. Triassic
[Option ID = 8224]
4. Jurassic
[Option ID = 8225]
Correct Answer :
Triassic
[Option ID = 8224]
18) Mesozoic reefs are formed primarily by
[Question ID = 2058]
1. Sponges
[Option ID = 8226]
2. Archaeocyathids
[Option ID = 8227]
3. Rugose corals
[Option ID = 8228]
4. Scleractinian corals
[Option ID = 8229]
Correct Answer :
Scleractinian corals

---

[Option ID = 8229]
19) A taxon that disappears for one or more periods from the fossil record, and reappears later is called as
[Question ID = 2059]
1. Zombie taxon [Option ID = 8230]
2. Ghost taxon [Option ID = 8231]
3. Elvis taxon [Option ID = 8232]
4. Lazarus taxon [Option ID = 8233]
Correct Answer :
Lazarus taxon [Option ID = 8233]
20) Pascichnia is term used for
[Question ID = 2060]
1. Grazing traces [Option ID = 8234]
2. Crawling traces [Option ID = 8235]
3. Resting traces [Option ID = 8236]
4. Dwelling traces [Option ID = 8237]
Correct Answer :
Grazing traces [Option ID = 8234]
21) When an organism achieves sexual maturity as a juvenile, the heterochronic change is termed as
[Question ID = 2061]
1. Pedomorphosis
[Option ID = 8238]
2. Peramorphosis
[Option ID = 8239]
3. Atavism
[Option ID = 8240]
4. None of these
[Option ID = 8241]
Correct Answer :
Pedomorphosis
[Option ID = 8238]
22) Hyalophane is a
[Question ID = 2062]
1. Mica [Option ID = 8242]
2. Feldspar [Option ID = 8243]
3. Feldspathoid [Option ID = 8244]
4. Amphibole [Option ID = 8245]
Correct Answer :
Feldspar [Option ID = 8243]
23) Choose the correct option from the following:
[Question ID = 2063]
1. Parallelism of internal and external schistosity implies syndeformation growth of porphyroblast [Option ID = 8246]
2. Poikilitic texture is a metamorphic texture [Option ID = 8247]
3. Antiperthite is an exsolution texture [Option ID = 8248]
4. Granofels are associated with regional metamorphism [Option ID = 8249]
Correct Answer :
Antiperthite is an exsolution texture [Option ID = 8248]
24) Which amongst the following is a 1:1 phyllosilicate?
[Question ID = 2064]
1. Illite
[Option ID = 8250]
2. Kaolinite
[Option ID = 8251]
3. Montmorillonite
[Option ID = 8252]
4. Chlorite
[Option ID = 8253]

---

Correct Answer :
Kaolinite
[Option ID = 8251]
25) Closest packing of equal sized spheres of cations and anions will lead to coordination number of
[Question ID = 2065]
1. 6 [Option ID = 8254]
2. 12 [Option ID = 8255]
3. 4 [Option ID = 8256]
4. 8 [Option ID = 8257]
Correct Answer :
12 [Option ID = 8255]
26) Monticellite is a
[Question ID = 2066]
1. Single chain silicate [Option ID = 8258]
2. Nesosilicate [Option ID = 8259]
3. Double chain silicate [Option ID = 8260]
4. Tectosilicate [Option ID = 8261]
Correct Answer :
Nesosilicate [Option ID = 8259]
27) Khetri copper belt is part of
[Question ID = 2067]
1. South Delhi Fold Belt [Option ID = 8262]
2. Aravalli Supergroup [Option ID = 8263]
3. North Delhi Fold Belt [Option ID = 8264]
4. Marwar Group [Option ID = 8265]
Correct Answer :
Aravalli Supergroup [Option ID = 8263]
28) Abukama facies series is a
[Question ID = 2068]
1. High Plow T series
[Option ID = 8266]
2. Low Phigh T series
[Option ID = 8267]
3. Intermdiate PT series
[Option ID = 8268]
4. None of these
[Option ID = 8269]
Correct Answer :
Low Phigh T series
[Option ID = 8267]
29) Reaction "cummingtonite = orthopyroxene+quartz+H O" indicates that
2
[Question ID = 2069]
1. It is a hydration reaction [Option ID = 8270]
2. It is an ionexchange reaction [Option ID = 8271]
3. Cummingtonite has high alumina content [Option ID = 8272]
4. Cummingtonite contains low to no alumina [Option ID = 8273]
Correct Answer :
Cummingtonite contains low to no alumina [Option ID = 8273]
30) When all four oxygens in silicon tetrahedral are shared, the structure is known as
[Question ID = 2070]
1. Chain silicates [Option ID = 8274]
2. Ring silicates [Option ID = 8275]
3. Framework silicates [Option ID = 8276]
4. Cyclosilicates [Option ID = 8277]
Correct Answer :
Framework silicates [Option ID = 8276]

---

31) In AFM diagrams, pseudocomponent A is calculated as A=Al O
2
3K
3
O. This is because minerals in this diagram are
2
projected from
[Question ID = 2071]
1. Muscovite [Option ID = 8278]
2. Quartz [Option ID = 8279]
3. Biotite [Option ID = 8280]
4. K feldspar [Option ID = 8281]
Correct Answer :
Muscovite [Option ID = 8278]
32) The main reason for seasons is
[Question ID = 2072]
1. The Sun gets hotter and colder [Option ID = 8282]
2. Variable positions of moon with respect to Sun and Earth [Option ID = 8283]
3. The tilt of the Earth's axis [Option ID = 8284]
4. The variable distance between Sun and Earth [Option ID = 8285]
Correct Answer :
The tilt of the Earth's axis [Option ID = 8284]
33) Knob and kettle topography forms when
[Question ID = 2073]
1. Blocks of ice get buried by till, and then melt. [Option ID = 8286]
2. The glacier flows over sediment and molds it into streamlined hills. [Option ID = 8287]
3. Ice plucks chunks off of bedrock and leaves an indentation. [Option ID = 8288]
4. Rocks embedded in the base of the glacier gouge out deep depressions into bedrock [Option ID = 8289]
Correct Answer :
Blocks of ice get buried by till, and then melt. [Option ID = 8286]
34) The sluggish wind system in the equatorial areas is known as?
[Question ID = 2074]
1. Westerlies [Option ID = 8290]
2. Trades [Option ID = 8291]
3. Doldrums [Option ID = 8292]
4. Monsoon [Option ID = 8293]
Correct Answer :
Doldrums [Option ID = 8292]
35) The Digboi Oil Field is associated with rocks of
[Question ID = 2077]
1. Eocene age [Option ID = 8300]
2. Miocene age [Option ID = 8302]
3. Pleistocene age [Option ID = 8303]
4. Pliocene age [Option ID = 8305]
Correct Answer :
Miocene age [Option ID = 8302]
36) The Ninety East Ridge is present in which of the following oceans
[Question ID = 2078]
1. Atlantic [Option ID = 8306]
2. Indian [Option ID = 8308]
3. Pacific [Option ID = 8310]
4. Arctic [Option ID = 8311]
Correct Answer :
Indian [Option ID = 8308]
37) What are ophiolite suites?
[Question ID = 2080]
1. Fragments of oceanic lithosphere emplaced on a continent [Option ID = 8314]
2. Groups of seafloor magnetic anomalies [Option ID = 8315]
3. Wedgeshaped packages of sediments that form at passive margins [Option ID = 8317]
4. Rocks with ophitic texture [Option ID = 8318]
Correct Answer :
Fragments of oceanic lithosphere emplaced on a continent [Option ID = 8314]
38) Which of the following deep sea sediments is often part of ophiolite suites
[Question ID = 2083]

---

1. NannoForam Ooze
[Option ID = 8322]
2. Globigerina ooze
[Option ID = 8325]
3. Radiolarian chert
[Option ID = 8327]
4. Pteropod ooze
[Option ID = 8329]
Correct Answer :
Radiolarian chert
[Option ID = 8327]
39) When does the Intertropical convergence Zone reach its most northerly location?
[Question ID = 2084]
1. July [Option ID = 8330]
2. April [Option ID = 8332]
3. January [Option ID = 8334]
4. October [Option ID = 8336]
Correct Answer :
July [Option ID = 8330]
40) Ocean acidification is gradually increasing with time as a result of
[Question ID = 2087]
1. Photosynthesis [Option ID = 8340]
2. Increasing pollution [Option ID = 8343]
3. Upwelling [Option ID = 8344]
4. Increasing atmospheric CO concentrations
2
[Option ID = 8345]
Correct Answer :
Increasing atmospheric CO concentrations
2
[Option ID = 8345]
41) The Icerafted debrisrich layers in the North Atlantic during Quaternary are referred to
[Question ID = 2088]
1. ENSO events
[Option ID = 8346]
2. Monsoonal events
[Option ID = 8347]
3. Heinrich events
[Option ID = 8349]
4. Interstadial events
[Option ID = 8351]
Correct Answer :
Heinrich events
[Option ID = 8349]
42) Because of difference in density, Icebergs float for a distance of several kilometers in sea before its gets completely
melted. The difference in density between ice formed of pure water and sea water is
[Question ID = 2090]
1. 0.005 gm/cc
[Option ID = 8354]
2. 0.105 gm/cc
[Option ID = 8356]
3. 01.05 gm/cc
[Option ID = 8358]
4. 0.015 gm/cc
[Option ID = 8359]
Correct Answer :
0.105 gm/cc
[Option ID = 8356]
43) In cumulative percentage probability curve a wellsorted sandstone will plot as

---

[Question ID = 2093]
1. A sigmoidal curve [Option ID = 8363]
2. A low gradient straight line [Option ID = 8365]
3. A highgradient straight line [Option ID = 8367]
4. A bellshaped curve [Option ID = 8368]
Correct Answer :
A highgradient straight line [Option ID = 8367]
44) Sandy coastline with an extensive area of beach directly adjacent to the coastal plain is termed a
[Question ID = 2094]
1. Shoreface [Option ID = 8370]
2. Chenier [Option ID = 8371]
3. Foreshore [Option ID = 8372]
4. Strand plain [Option ID = 8374]
Correct Answer :
Strand plain [Option ID = 8374]
45) We get botryoidal cement geometry in carbonate that has gone through
[Question ID = 2096]
1. Vadose diagenesis [Option ID = 8378]
2. Deep burial diagenesis [Option ID = 8379]
3. Phreatic diagenesis [Option ID = 8380]
4. Sea floor diagenesis [Option ID = 8381]
Correct Answer :
Sea floor diagenesis [Option ID = 8381]
46) We get grain flows commonly in
[Question ID = 2097]
1. Moderately sorted granular sediments [Option ID = 8382]
2. Ill sorted granular sediments [Option ID = 8383]
3. Well sorted granular sediments [Option ID = 8384]
4. Clayey sediments [Option ID = 8385]
Correct Answer :
Well sorted granular sediments [Option ID = 8384]
47) If `F' represents direction of Earth's magnetic field at any station, the local magnetic meridian at that station will be
[Question ID = 2098]
1. A plane assuming an angle between `F' and its horizontal projection `H' [Option ID = 8386]
2. A vertical plane passing through `F' and its horizontal projection `H' [Option ID = 8387]
3. A plane that holds `F' [Option ID = 8388]
4. A plane that passes through `F' and magnetic north of the Earth [Option ID = 8389]
Correct Answer :
A vertical plane passing through `F' and its horizontal projection `H' [Option ID = 8387]
48) We call a flow `in phase' flow when
[Question ID = 2099]
1. Reynold number of flow is >2000
[Option ID = 8390]
2. Reynold number of flow is <2000
[Option ID = 8391]
3. Froud number of flow is <1
[Option ID = 8392]
4. Froud number of flow is >1
[Option ID = 8393]
Correct Answer :
Froud number of flow is >1
[Option ID = 8393]
49) We can expect forearc sandstones as
[Question ID = 2100]
1. Quatrzose in nature [Option ID = 8394]
2. Quartzofeldspathic in nature [Option ID = 8395]
3. Quartzolithic in nature [Option ID = 8396]
4. Feldspathic in nature [Option ID = 8397]

---

Correct Answer :
Quartzolithic in nature [Option ID = 8396]
50) In Jodhpur, Rajasthan exposures of Jodhpur Sandstones are found overlying the Malani rhyolite. The contact between
the two can be best described as
[Question ID = 2101]
1. Nonconformity [Option ID = 8398]
2. Paraconformity [Option ID = 8399]
3. Disconformity [Option ID = 8400]
4. Angular unconformity [Option ID = 8401]
Correct Answer :
Nonconformity [Option ID = 8398]
51) are intrabed soft sediment deformation features
[Question ID = 2102]
1. Convolute lamination and overturned crossstratification [Option ID = 8402]
2. Load cast and convolute lamination [Option ID = 8403]
3. Flame structure and overturned crossstratification [Option ID = 8404]
4. Load cast and Flame structure [Option ID = 8405]
Correct Answer :
Convolute lamination and overturned crossstratification [Option ID = 8402]
52) When streams appear to be far too small with respect to their valley, they are called as
[Question ID = 2103]
1. Paleochannel [Option ID = 8406]
2. Inland stream [Option ID = 8407]
3. Misfit stream [Option ID = 8408]
4. Seasonal stream [Option ID = 8409]
Correct Answer :
Misfit stream [Option ID = 8408]
53) Fracturing of the ground by thermal contraction at subfreezing temperature is called as
[Question ID = 2104]
1. Fracking [Option ID = 8410]
2. Desiccation cracking [Option ID = 8411]
3. Frost cracking [Option ID = 8412]
4. Dilation cracking [Option ID = 8413]
Correct Answer :
Frost cracking [Option ID = 8412]
54) Which of the following features could help you identify the presence of glaciers in a region in the past?
[Question ID = 2105]
1. Chatter marks
[Option ID = 8414]
2. Terminal moraine
[Option ID = 8415]
3. Drumlins
[Option ID = 8416]
4. All of these
[Option ID = 8417]
Correct Answer :
All of these
[Option ID = 8417]
55) Which of the following statements is true?
[Question ID = 2106]
1. Sand has higher porosity than clay
[Option ID = 8418]
2. Mud has higher porosity than sand
[Option ID = 8419]
3. Mud has higher permeability than sand
[Option ID = 8420]
4. None of these

---

[Option ID = 8421]
Correct Answer :
Mud has higher permeability than sand
[Option ID = 8420]
56) The increase in velocity leads to a drop in pressure above the grain and is known as the
[Question ID = 2107]
1. Bernoulli effect [Option ID = 8422]
2. Stokes effect [Option ID = 8423]
3. Chezy's effect [Option ID = 8424]
4. Mannings effect [Option ID = 8425]
Correct Answer :
Bernoulli effect [Option ID = 8422]
57) Darcy law states that
[Question ID = 2108]
1. Velocity is inversely proportional to hydraulic gradient [Option ID = 8426]
2. Velocity is directly proportional to hydraulic gradient [Option ID = 8427]
3. Velocity is not related to the hydraulic gradient [Option ID = 8428]
4. Velocity is proportional to specific yield [Option ID = 8429]
Correct Answer :
Velocity is directly proportional to hydraulic gradient [Option ID = 8427]
58) In which environment will you find maximum soil thickness?
[Question ID = 2109]
1. Temperate
[Option ID = 8430]
2. Semiarid
[Option ID = 8431]
3. Tropical
[Option ID = 8432]
4. None of these
[Option ID = 8433]
Correct Answer :
Tropical
[Option ID = 8432]
59) UTM in GIS stands for
[Question ID = 2110]
1. Universal Transverse Mercator
[Option ID = 8434]
2. Unclassified Thematic Map
[Option ID = 8435]
3. Universal Tasseled Map
[Option ID = 8436]
4. None of these
[Option ID = 8437]
Correct Answer :
Universal Transverse Mercator
[Option ID = 8434]
60) The dimension of Storativity is
[Question ID = 2111]
1. LT
1 [Option ID = 8438]
2. L T
2
1 [Option ID = 8439]
3. L T
3
1 [Option ID = 8440]
4. Dimensionless [Option ID = 8441]
Correct Answer :
Dimensionless [Option ID = 8441]

---

61) Which of the following is an erosional glacial landscape?
[Question ID = 2112]
1. Kames [Option ID = 8442]
2. Moraines [Option ID = 8443]
3. Esker [Option ID = 8444]
4. Ar?te [Option ID = 8445]
Correct Answer :
Ar?te [Option ID = 8445]
62) The Ediacaran fossils are characterized by
[Question ID = 2113]
1. Colony of unicellular organism [Option ID = 8446]
2. Small Shelly fauna [Option ID = 8447]
3. Multicellular metazoans [Option ID = 8448]
4. Stromatolite colony [Option ID = 8449]
Correct Answer :
Multicellular metazoans [Option ID = 8448]
63) Bijli rhyolite is associated with
[Question ID = 2114]
1. Singhbhum craton [Option ID = 8450]
2. Bastar craton [Option ID = 8451]
3. Dharwar craton [Option ID = 8452]
4. Aravalli craton [Option ID = 8453]
Correct Answer :
Bastar craton [Option ID = 8451]
64) Best quality of Indian coking coal is produced from:
[Question ID = 2115]
1. Jharia coalfield [Option ID = 8454]
2. Bokaro coalfield [Option ID = 8455]
3. Raniganj coalfield [Option ID = 8456]
4. Jabalpur coalfield [Option ID = 8457]
Correct Answer :
Raniganj coalfield [Option ID = 8456]
65) Graptolites disappeared at the end of:
[Question ID = 2116]
1. Cambrian [Option ID = 8458]
2. Silurian [Option ID = 8459]
3. Ordovician [Option ID = 8460]
4. Carboniferous [Option ID = 8461]
Correct Answer :
Silurian [Option ID = 8459]
66) Taphonomy is the science dealing with
[Question ID = 2117]
1. Study of the conditions of burial of fossils [Option ID = 8462]
2. Reconstruction of paleoenvironment by means of fossils [Option ID = 8463]
3. Mode of preservation of fossils [Option ID = 8464]
4. Study of fossil spore and pollens [Option ID = 8465]
Correct Answer :
Mode of preservation of fossils [Option ID = 8464]
67) Which of the following biostratigraphic zone shows time correlative plane?
[Question ID = 2118]
1. Acme biozone [Option ID = 8466]
2. Interval biozone [Option ID = 8467]
3. Lineage biozone [Option ID = 8468]
4. Assemblage biozone [Option ID = 8469]
Correct Answer :
Lineage biozone [Option ID = 8468]
68) A disconformity indicates
[Question ID = 2119]
1. A rock unit that does not contain fossils [Option ID = 8470]
2. An erosional surface between igneous and metamorphic rocks [Option ID = 8471]
3. An erosional surface between different rock types [Option ID = 8472]

---

4. An erosional surface between horizontal sedimentary rocks [Option ID = 8473]
Correct Answer :
An erosional surface between horizontal sedimentary rocks [Option ID = 8473]
69) First leaves and flowers appeared during
[Question ID = 2120]
1. Early Cretaceous [Option ID = 8474]
2. Early Jurassic [Option ID = 8475]
3. Late Cretaceous [Option ID = 8476]
4. Late Triassic [Option ID = 8477]
Correct Answer :
Late Cretaceous [Option ID = 8476]
70) Stratigraphic succession in Deccan trap is erected with the help of
[Question ID = 2121]
1. Giant plagioclase laths in basalt
[Option ID = 8478]
2. Intertrappean and bole beds
[Option ID = 8479]
3. Magnetic reversal record in basalt
[Option ID = 8480]
4. All of these
[Option ID = 8481]
Correct Answer :
All of these
[Option ID = 8481]
71) An influent stream has
[Question ID = 2122]
1. Water in the stream at higher elevation than water table elevation [Option ID = 8482]
2. Water in the stream at lower elevation than water table elevation [Option ID = 8483]
3. Water in the stream at equal elevation to the water table elevation [Option ID = 8484]
4. No water flows on either side [Option ID = 8485]
Correct Answer :
Water in the stream at higher elevation than water table elevation [Option ID = 8482]
72) The ~30 % of the sedimentary shell of Earth is marked by ............
[Question ID = 2123]
1. Shale [Option ID = 8486]
2. Sandstone [Option ID = 8487]
3. Conglomerate [Option ID = 8488]
4. Limestone [Option ID = 8489]
Correct Answer :
Sandstone [Option ID = 8487]
73) The incipient stage weathering is marked by
[Question ID = 2124]
1. SmectiteVermiculite
[Option ID = 8490]
2. IlliteChlorite
[Option ID = 8491]
3. IlliteKaolinite
[Option ID = 8492]
4. Kaolinitechlorite
[Option ID = 8493]
Correct Answer :
SmectiteVermiculite
[Option ID = 8490]
74) Which of the following bedforms represents upstream migration?
[Question ID = 2125]

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1. Ripples [Option ID = 8494]
2. Dunes [Option ID = 8495]
3. Antidune [Option ID = 8496]
4. Ripple cross beds [Option ID = 8497]
Correct Answer :
Antidune [Option ID = 8496]
75) Which of the following statement is related to the formation of polymictic conglomerate?
[Question ID = 2126]
1. Many single types of clasts [Option ID = 8498]
2. Continuous recycling [Option ID = 8499]
3. Rapid erosion, transportation and deposition [Option ID = 8500]
4. Quartzose conglomerates [Option ID = 8501]
Correct Answer :
Rapid erosion, transportation and deposition [Option ID = 8500]
76) The lateral accretion in a meandering channel refers to
[Question ID = 2127]
1. Overbank depositions, [Option ID = 8502]
2. Levees formation [Option ID = 8503]
3. Point bar formation [Option ID = 8504]
4. Formation of soils [Option ID = 8505]
Correct Answer :
Point bar formation [Option ID = 8504]
77) Which of the following plant fossil is found in Upper Gondwana?
[Question ID = 2128]
1. Glossopteris [Option ID = 8506]
2. Schizoneura [Option ID = 8507]
3. Nilssonia [Option ID = 8508]
4. Vertebraria [Option ID = 8509]
Correct Answer :
Nilssonia [Option ID = 8508]
78) The Kosi alluvail fan is a:
[Question ID = 2129]
1. Small arid alluvail fan [Option ID = 8510]
2. Large arid alluvail fan [Option ID = 8511]
3. Very large humid alluvail fan [Option ID = 8512]
4. Very small humid alluvail fan [Option ID = 8513]
Correct Answer :
Very large humid alluvail fan [Option ID = 8512]
79) The youngest of the major thrust sheets across the Himalaya is
[Question ID = 2130]
1. MBT [Option ID = 8514]
2. MCT [Option ID = 8515]
3. ITSZ [Option ID = 8516]
4. MFT [Option ID = 8517]
Correct Answer :
MFT [Option ID = 8517]
80) The plagioclase with An10 to An is known as
30
[Question ID = 2131]
1. Albite [Option ID = 8518]
2. Oligoclase [Option ID = 8519]
3. Andesine [Option ID = 8520]
4. Anorthite [Option ID = 8521]
Correct Answer :
Oligoclase [Option ID = 8519]
81) Which of the following is not a monoclinic pyroxene?
[Question ID = 2132]
1. Diopside [Option ID = 8522]
2. Spodumene [Option ID = 8523]
3. Enstatite [Option ID = 8524]
4. Jadeite [Option ID = 8525]

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Correct Answer :
Enstatite [Option ID = 8524]
82) A catchment on the toposheet 44D/16 has an area of 16 cm , this corresponds to ...... on land
2
[Question ID = 2133]
1. 4 km
2 [Option ID = 8526]
2. 8 km
2 [Option ID = 8527]
3. 12 km
2 [Option ID = 8528]
4. 16 km
2 [Option ID = 8529]
Correct Answer :
4 km
2 [Option ID = 8526]
83) The Toba ash after the large volcanic eruption in Sumatra occurred at
[Question ID = 2134]
1. 10 ka [Option ID = 8530]
2. 25 ka [Option ID = 8531]
3. 50 ka [Option ID = 8532]
4. 75 ka [Option ID = 8533]
Correct Answer :
75 ka [Option ID = 8533]
84) The youngest Stage on the geological time scale is defined by
[Question ID = 2135]
1. Greenlandian [Option ID = 8534]
2. Meghalayan [Option ID = 8535]
3. Northgrippian [Option ID = 8536]
4. Calabrian [Option ID = 8537]
Correct Answer :
Meghalayan [Option ID = 8535]
85) The ArchaeanProterozoic transition is marked at
[Question ID = 2136]
1. 4000 Ma [Option ID = 8538]
2. 3000 Ma [Option ID = 8539]
3. 2500 Ma [Option ID = 8540]
4. 1000 Ma [Option ID = 8541]
Correct Answer :
2500 Ma [Option ID = 8540]
86) Permian Triassic extinction occurred at about
[Question ID = 2137]
1. 250 Ma [Option ID = 8542]
2. 350 Ma [Option ID = 8543]
3. 450 Ma [Option ID = 8544]
4. 200 Ma [Option ID = 8545]
Correct Answer :
250 Ma [Option ID = 8542]
87) The average depth of the oceans is about
[Question ID = 2138]
1. 1.5 km [Option ID = 8546]
2. 2.5 km [Option ID = 8547]
3. 3.5 km [Option ID = 8548]
4. 4.5 km [Option ID = 8549]
Correct Answer :
3.5 km [Option ID = 8548]
88) Which of the following tectonic units separates the Vindhyan supergroup and the Archaean supracrustal in the north
western India?
[Question ID = 2139]
1. Main Central Thrust (MCT) [Option ID = 8550]
2. Himalayan Frontal Thrust (HFT) [Option ID = 8551]
3. Central India Tectonic Zone (CITZ) [Option ID = 8552]
4. Great Boundary Fault (GBF) [Option ID = 8553]
Correct Answer :
Great Boundary Fault (GBF) [Option ID = 8553]

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89) Suket Shale of the Vindhyan Super Group belongs to
[Question ID = 2140]
1. Rohtas Formation [Option ID = 8554]
2. Khenjua Formation [Option ID = 8555]
3. Porcellanite Formation [Option ID = 8556]
4. Deoland Formation [Option ID = 8557]
Correct Answer :
Rohtas Formation [Option ID = 8554]
90) The Polarity chron C29R/C29N transition is related to
[Question ID = 2141]
1. KT Boundary [Option ID = 8558]
2. PT Boundary [Option ID = 8559]
3. JurassicCretaceous boundary [Option ID = 8560]
4. PC boundary [Option ID = 8561]
Correct Answer :
KT Boundary [Option ID = 8558]
91) Which of the following is not related to Kimberlite?
[Question ID = 2142]
1. Wajrakurur [Option ID = 8562]
2. Behradih [Option ID = 8563]
3. Majhgawan [Option ID = 8564]
4. Ambadonger [Option ID = 8565]
Correct Answer :
Ambadonger [Option ID = 8565]
92) An aquifer bounded on top and bottom by impervious layers is :
[Question ID = 2143]
1. Semiconfined aquifer [Option ID = 8566]
2. Unconfined aquifer [Option ID = 8567]
3. Confined aquifer [Option ID = 8568]
4. Perched [Option ID = 8569]
Correct Answer :
Confined aquifer [Option ID = 8568]
93) The polymetallic nodules at the abyssal floor are dominated by
[Question ID = 2144]
1. MnFe [Option ID = 8570]
2. CuNi [Option ID = 8571]
3. PbZn [Option ID = 8572]
4. CoNi [Option ID = 8573]
Correct Answer :
MnFe [Option ID = 8570]
94) The average salinity of the oceans is about
[Question ID = 2145]
1. 1.0% [Option ID = 8574]
2. 2.0% [Option ID = 8575]
3. 3.5% [Option ID = 8576]
4. 5.0% [Option ID = 8577]
Correct Answer :
3.5% [Option ID = 8576]
95) Which of the following is true for the river water?
[Question ID = 2146]
1. HCO > SO
3
4 > Cl
[Option ID = 8578]
2. HCO = SO
3
= Cl
4
[Option ID = 8579]
3. HCO3< SO4< Cl
[Option ID = 8580]
4. Cl> HCO > SO
3
4
[Option ID = 8581]

---

Correct Answer :
HCO > SO
3
4 > Cl
[Option ID = 8578]
96) Which of the following is true for the ocean water?
[Question ID = 2147]
1. Ca>Na>Mg [Option ID = 8582]
2. Na>Mg>Ca [Option ID = 8583]
3. Mg>Ca>Na [Option ID = 8584]
4. Ca>Mg>Na [Option ID = 8585]
Correct Answer :
Na>Mg>Ca [Option ID = 8583]
97) Calcite is a uniaxial (ve) mineral, because for calcite
[Question ID = 2148]
1. nE < nO
[Option ID = 8586]
2. nE = nO
[Option ID = 8587]
3. nE > nO
[Option ID = 8588]
4. nE >> nO
[Option ID = 8589]
Correct Answer :
nE < nO
[Option ID = 8586]
98) Nicol prism is characterized by
[Question ID = 2149]
1. Total reflection of extraordinary rays but transmission of ordinary ray [Option ID = 8590]
2. Total reflection of ordinary rays but transmission of extra ordinary ray [Option ID = 8591]
3. Total reflection of both ordinary ray and the extraordinary ray [Option ID = 8592]
4. Transmission of both ordinary ray and the extraordinary ray [Option ID = 8593]
Correct Answer :
Total reflection of ordinary rays but transmission of extra ordinary ray [Option ID = 8591]
99) A fluvial system in general is defined by
[Question ID = 2150]
1. Catchment [Option ID = 8594]
2. Transport [Option ID = 8595]
3. Deposition [Option ID = 8596]
4. Catchment + Transport + Deposition [Option ID = 8597]
Correct Answer :
Catchment + Transport + Deposition [Option ID = 8597]
100) The PETM event is defined by
[Question ID = 2151]
1. 5?C to 6 ?C rise in temperature at 55 Ma [Option ID = 8598]
2. 5?C to 6 ?C cooling in temperature at 65 Ma [Option ID = 8599]
3. 15?C to 16 ?C rise in temperature at 55 Ma [Option ID = 8600]
4. 15?C to 16 ?C cooling in temperature at 65 Ma [Option ID = 8601]
Correct Answer :
5?C to 6 ?C rise in temperature at 55 Ma [Option ID = 8598]

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