ONGC Geology Practice Test
Free Online Earth Science Paper
Q.1: Andalusite converts at temperature between 1380 and into:
(a) Kaolinite.
(b) Lillie.
(c) Mullet.
(d) Muscovite.
ANSWER: (c)
Q. 2: Neutral refractory minerals are:
(a) Chromite and graphite.
(b) Kyanite and sillimanite.
(C) Magnesite and dolomite.
(d) Silica and fireclay.
ANSWER: (a)
Q.3: High-grade natural abrasives are:
(a) Diamond and corundum.
(b) Diamond, emery and garnet.
(c) Corundum, emery and garnet.
(d) Diamond, corundum, emery and garnet.
ANSWER: (d)
Q.4: Kaolin is also known as:
(a) China clay.
(b) Ball clay.
(c) Fire clay.
(d)Fuller’s earth.
ANSWER: (a)
Q.5: Multan matte is:
(a) China clay.
(b) Ball clay.
(c) Terracotta.
(d) Fuller’s earth.
ANSWER: (d)
Q.6: The essential basic raw material for manufacture of glass is:
(a) Feldspar.
(b) Quartz.
(c) Feldspar and Quartz.
(d) Quartz and Mica.
ANSWER: (b)
Q.7: The principal mineral source of fertilizer industry is / is:
(a) Gypsum.
(b) Pyrite.
(c) Flock phosphates.
(d) All the above.
ANSWER: (d)
Q.8 : Mark the correct statement about the phosphoresce deposits ot Jhabua district (M.P.) :
(a) lt is a sedimentary-Stromatolite type deposits.
(b) It occurs within the Precambrian met sediments.
(c) It belongs to the Aravalli super group.
(d) All the above are correct.
ANSWER: (d)
Q.9 : Apatite deposits of singhbhum occur in the form ot veins and lenses in the :
(a) Granulose rocks.
(b) Gneissose rocks.
(c) Schistose rocks.
(d) Granitic rocks.
ANSWER: (c)
Q.10: Deposits of phosphoresce and the polymetallic nodules in the Indian Ocean are:
(a) Terrigenous deposits.
(b) Biogeneous deposits.
(c) Authigenic deposits.
(d) None of these.
ANSWER: (c)
Q.11: The chief raw material of the cement industry is:
(a) Sand.
(b) Clay.
(c) Limestone.
(d) Quartz.
ANSWER: (c)
Q.12: Mark the correct statement:
(a) Framboidal pyrite contributes a great deal to the formation of pyritic sulphur in coal.
(b) ln a coal seam sulphur increased form bottom to the top.
(c) In a sequence of coal seams the younger seam contains greater amount of sulphur than the
Underlying older seam.
(d) All the above are correct.
ANSWER: (d)
Q.13: Flank of coal means:
(a) The degree of maturation.
(b) The water content in the coal.
(d) None of these.
ANSWER: (a)
Q 14: The lignite deposits of Neville associated with the:
(a) Lower part of Ranaghat formation.
(b) Upper part of the Cuddalore formation.
(c) Kankawati series.
(d) Rajahmundry sandstone.
ANSWER: (b)
Q.15: The coalificatlon process is caused mainly by:
(a) Rise of temperature.
(b) Long Geological time.
(c) Rise of temperature and geological time.
(d) Constant temperature and greater depth.
ANSWER: (c)
Q.16 : Which ls the most prominent structural element In the sohagpur coal field
(a) Chaila trust.
(b) Bamhani-chilpa fault.
(c) Murree thrust.
(d) Chapman fault.
ANSWER: (b)
Q.17: lndia’s known coal resources have been assessed to be about:
(a) 100 billion tones.
(b)136 billion tones.
(c) 196 billion tones.
(d) 230 billion tones.
ANSWER: (c)
Q.18: Most of the coal in the Gondwana is found in the:
(a) Damuda system.
(b) Talchir series.
(c) Maharashtra series.
(d) Jabalpur series.
ANSWER: (a)
Q. 19: Mark the correct statement about the Barakar coals:
(a) Low moisture.
(b) Low volatile.
(c) High fix carbon.
(d) All the above.
ANSWER: (d)
Q.20 :The process of conversion of vegetable matter to coal involves
(a) Concentration of oxygen and hydrogen.
(b) Loss of oxygen and carbon.
(c) Loss of oxygen and carbon and concentration of hydrogen. `
(d) Loss of oxygen and hydrogen and concentration of carbon.
ANSWER: (d)
Q.21 : Choose the essential characters of cannel coal :
(a) lt is tough and of uniform texture.
(b) lt has no banded structure and essentially a drift deposit.
(c) lt is Dull black in colour and does not soil the finger.
(d) All the above are correct.
ANSWER: (d)
Q.22: The chief raw material of ceramic industry is:
(a) Silt.
(b) Clay.
(C) Kyanite.
(d) Quartz.
ANSWER: (b)
Q.23: Terracotta is a/an:
(a) Grey coloured variety of ball clay.
(b) Type of terra-rossa.
(c) Impure, buff or brown coloured variety of china clay.
(d) White, soft at 'J earthy variety of fuller’s earth.
ANSWER: (c)
Q.24: The variety of plastic clay known as:
(a) Terra cotta.
(b) Fuller’s clay.
(c) Bentonite.
(d) Ball clay.
ANSWER: (c)
Q.25: Aluminium in common glass may be permitted upto:
(a) 2 %.
(b) 4 %.
(c) 6 %.
(d) 10 %.
ANSWER: (b)
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