Geology Optional Subject Solved Questions & Answers

76 Asbestos is used for the production of

1 insulator

2 smelting material

3 textile product

4 alloy

Answer: insulator

77 According to Lindgren's classification, a hydrothermal deposit which is formed at 300 °C to 500 °C and at very high pressure is

1 xenothermal

2 telethermal

3 mesothermal

4 hypothermal

View Answer

Answer: hypothermal

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78 Which of the following deposits evolves due to sublimation?

1 Chromite

2 Magnetite

3 Sulphur

4 Diamond

View Answer

Answer: Sulphur

79 The chemical composition of chromite is

1 Cr203

2 Fe0Cr203

3 Cr2S04

4 Fe0 Cr03

View Answer

Answer: Fe0Cr203

80 The coal deposit of Assam is economically found in

1 Tipam Group

2 Surma Group

3 Dihing Group

4 Barail Group

View Answer

Answer: Barail Group

81 The largest resources of lignite in the country are located in

1 Bhuj and Mehsana, Gujarat

2 Palana and Baroner, Rajasthan

3 Karewa Belt, Kashmir

4 Neyveli, South Arcot, Tamil Nadu

View Answer

Answer: Neyveli, South Arcot, Tamil Nadu

82 Tertiary coals are containing amount of ash than the Gondwana coal.

1 higher

2 equal

3 lower

4 infinitely higher

View Answer

Answer: lower

83 The oldest oil field of Assam is

1 Rudrasagar Oil Field

2 Lakwa Oil Field

3 Digboi Oil Field

4 Naharkatiya Oil Field

View Answer

Answer: Digboi Oil Field

84 Chromite is a member of the

1 Spinel Group

2 Epidote Group

3 Olivine Group

4 Mellilite Group

View Answer

Answer: Spinel Group

85 Copper deposit of Singhbhum is an example of

1 fissure vein deposit

2 shear zone deposit

3 ladder vein deposit

4 saddle reef deposit

View Answer

Answer: shear zone deposit

86 The fundamental unit of lithostratigraphic classification is

1 supergroup

2 group

3 formation

4 member

View Answer

Answer: formation

87 The basic unit of bio stratigraphy is

1 subzone

2 zone

3 stage

4 bed

View Answer

Answer: zone

88 Bhuban Formation is under

1 Disang Group

2 Jaintia Group

3 Surma Group

4 Barail Group

View Answer

Answer: Surma Group

89 Which of the following formations contains three fossiliferous limestone member?

1 Kopili Formation

2 Tikak Parbat Formation

3 Sheila Formation

4 Bokabil Formation

View Answer

Answer: Sheila Formation

90 Unconformity marks the boundary between the Cuddapah Supergroup and the Archaean granites and gneisses in the Tirupati—Tirumala Hills of South India.

1 Eparchaean

2 Conrad

3 Murugan

4 Narasimhan

View Answer

Answer: Eparchaean

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