ONGC Test Economic Geology Question Paper
Geology Solved Paper for ONGC Test
Q.1 : Iron sulphide minerals are often indicators of the :
(a) Geochemical conditions under which they formed.
(b) Depositional environments.
(c ) Transportation agencies.
(d) Both (a) and (b).
ANSWER:(d)
Q.2: Which is the correct statement about Pyrite?
(a) lt has a wide range of thermal stability upto 743°C.
(b) It is formed 'in marine depositional environments.
(c) lt deposits under neutral to alkaline conditions.
(d) All the above are correct.
ANSWER:(d)
Q.3 : Campsite and Thuringite are :
(a) Iron-carbonates minerals.
(b) lron-silicates minerals.
(c) lron-sulphide minerals.
(d) Iron-oxide minerals.
ANSWER:(b)
Q.4 : lron ore deposits of Goa are mainly of :
(a) Magnetite type.
(b) Hematite type.
(c) Blue dust.
(d) Both magnetite and hematite types.
ANSWER:(c)
Q.5: Which are the richest Lead-Zinc deposits in India, known so far?
(a) Agnigundala deposits.
(b) Ambulate deposits.
(c) Rampura-Agucha deposits.
(d) Sargipaili deposits.
ANSWER:(c)
Q.6 : Pb-Zn minerallsation in Zawar belt of Rajasthan occurs at :
(a) Mocha Magma.
(b) Barai Magma.
(c) Zawar Maia hills.
(d) All-the above.
ANSWER:(d)
Q.7 : Ambamata-Devi deposits -are associated with :
(a) Iron ores.
(b) Manganese ores.
(c) Copper ores.
(d) Lead-zinc ores.
ANSWER:(d)
Q.8 : Magnesite deposits in Chalk hills of Salem district. Tamilnadu are:
(a) Replacement deposits.
(b) Bedded deposits.
(c) The product of alteration of ultra basic rocks.
(d) None of these.
ANSWER:(c)
Q.9: The term “First Generation Ming Site (FGMS)” is related with the:
(a) India’s Mn-nodule mine site in the central Indian Ocean.
(b) Gold mine site of Kolar.
(c) Diamond mining of Panna.
(d) Mining sites situated on the top ofthe mountains.
ANSWER:(a)
Q10 : The proterozoic Mn-deposits of India :
(a) They are not associated with lron-Formation and Black shales.
(b) They were all deposited in shallow-water basin margins.
(c) They are associated with Iron-Formation only.
(d) (a) and (b) are correct.
ANSWER:(d)
Q.11: The Mn-ore deposits of M.P. and Maharashtra are confined to the:
(a) Chorbaoli formation.
(b) Lohangi formation.
(c) Mansar formation.
(d) Bochum formation.
ANSWER:(c)
Q.12 : Mn-ore of chemical grade should have :
(a) so-95% of Mn.
(b) 82-87% of Mn.
(c) 74-78% of Mn.
(d) 60-63% of Mn.
ANSWER:(b)
Q.13 : The manganese ore deposits of Madhya Pradesh and Maharashtra are
(a) Residual deposits.
(b) Replacement deposits.
(c) Sedimentary deposits.
(d) Sedimentary deposits followed by metamorphism.
ANSWER:(d)
Q.14: The major elements in Mn-nodules are:
(a) Fe and Mn.
(b) Fe, Mn and Ni.
(c) Fe, Mn, Ni and Cu.
(d) Fe, Mn, Ni, Cu and Co.
ANSWER: (d)
Q.15: Molybdenum steels are used in:
(a) Aircraft.
(b) Automobiles.
(c) Oil machinery
(d) All the above.
ANSWER: (d)
Q.16: Silver mineralisation with minor amount of Cu, Pb and Zn near Barak of
Bhilwara district. Rajasthan occurs ln :
(a) Schists.
(b) Granites.
(c) Siliceous dolomite.
(d) Calcareous sandstone.
ANSWER: (c)
Q.17: Wolframite mineralization of Nagpur and Pilli district of Rajasthan are
Associated with:
(a) Binota shales.
(b) Sewariya granite plutons.
(c) Close pet granites
(d) None of these.
ANSWER: (b)
Q.18: Mark the correct statement about Platinum Group Minerals (PGM):
(a) PGM occurs as immiscible segregation in early magmatic stage and is locked up in silicates.
(b) They are primarily localized in ultramificfmafic rocks.
(C) Hydrothermal activity plays a significant role in the concentration of platinum group elements
(d) All are correct.
ANSWER:(d)
Q.19 : Asbestos ofthe amphibole group are :
(a) Amosite and Actinolite.
(b) Amosite, Actinolite and Chrysolite.
(C) Anthophyllite, Crocidolite, Tremolite and Chrysolite.
(d) Amosite, Actinolite, Anthopilylite, Crocidolite and Tremolite.
ANSWER:(d)
Q.20 : Chrysolite asbestos result from the :
(a) Magmatic liquid.
(b) Alteration of serpentine.
(c) Alteration of olivine to serpentine.
(d) Hydrothermal solutions.
ANSWER:(c)
Q.21 : Asbestos of serpentine group is :
(a) Amosite.
(b) Amosite.
(c) Chrysolite.
(d) Tremolite
ANSWER:(c)
Q.22: Most useful varieties of the asbestos are:
(a) Chrysolite, Amosite and Crocidolite.
(b) Chrysolite and Acnnome.
(c) Amosite, Actinolite and Tremolite.
(d) Actinolite, Anthophyllite and Tremolite.
ANSWER:(a)
Q. 23: Mark the correct statements about Pyrite and Marc site:
(a) They are the most common and widespread iron sulphide minerals.
(b) They are associated with organic matter rich sediments and sedimentary rocks.
(c) They are indicative of anaerobic sulphidic diagenesis.
(d) All the above are correct.
ANSWER:(d)
Q.24: "Canoga" is:
(a) Another name of bog-iron.
(b) Mn deposit of sedimentary origin of Orissa.
(c) A Brazilian term given to iron ore formed by cementation of hematite into a hard iron ore
Conglomerate.
(d) None of these.
ANSWER:(c)
Q.25 : Noamundl lron-mines are situated in
(a) Madhya Pradesh.
(b) Maharashtra.
(c) Bihar.
(d) Orissa.
ANSWER:(c)
i need the ONGC Last year question papers for the Graduate Engineering trainee help me
ReplyDelete