Free Online Geology IOCL Question Paper
IOCL Geology ,Earth Science Test Paper
Q.1: In the oxidation and supergene enrichment, the portion of the ore-body lying above the
Water-table is described as:
(a) Primary zone.
(b) Enriched zone.
(c) Oxidized zone.
(d) None of these.
ANSWER. (c)
Q.2: Placer deposits at the foot of a slope are known as:
(a) Alluvial placers.
(b) Colluvial placers.
(c) Eluvia placer.
(d) Elian placer.
ANSWER. (c)
Q.3 : The operation of mechanical concentration rests on basic principles Involving chiefly :
(a) The differences in specific gravity and size of particles.
(b) The differences in specific gravity and shape of particles.
(C) The differences in specific gravity, size and shape of particles.
(d ) The difference in size and shape of particles.
ANSWER. (c)
Q.4: Calcite is characterised by:
(a) Low hardness, vitreous luster and optically positive character.
(b) Low hardness, rhombohedra cleavage and optically negative character.
(c) Low hardness, twinkling effect under the microscope and optically positive character.
(d) Rhombohedral cleavage, low interference colour and optically negative character.
Answer. (b)
Q.5: Calcite and magnesite can be distinguished from one another in thin section
(a) By their cleavage.
(b) By difference in their indices.
(c) By difference in their birelringence.
(d) That the magnesite is never twinned.
Answer: (d)
Q.6: X-ray analysis makes the use of the:
(a) Chemical composition of the mineral.
(b) Definite atomic structure of the mineral.
(c) Cleavage property of the mineral.
(d) Bonding property of the mineral.
Answer: (b)
Q.7: Drip-stones are:
(a) Stones falling from elevated areas.
(b) Stones accumulated by glacier.
(c) Columns formed by joining of stalactite and stalagmite.
(d) Columns found in seas.
Answer. (c)
Q.8: The sinkholes in a Karst region formed by solution action are known as:
(a) Fenster.
(b) Polje.
(c) Dolines.
(d) Klippe.
Answer. (c)
Q.9: ‘Terra rossa’ is:
(a) Residual red soil.
(b) Of clayey composition.
(c) Found in Karst region.
(d) All are correct.
Answer. (d)
Q.10: Choose the example of tectonic lakes/seas:
(a) Caspian sea
(b) Balkal lake
(c) Dead sea
(d) All the above
Answer. (d)
Q.11: ‘Pulicut Lake’ is in:
(a) Kerala
(b) Uttar Pradesh.
(c) Tamil Nadu.
(d) Maharashtra.
Answer. (c)
Q.12: 'Bars' are:
(a) Connecting morains.
(b) Ridges between two basins.
(c) Connecting spits.
(d) Depressions between two hills.
Answer. (c)
Q.13: Most of the ocean waves are:
(a) Cross waves.
(b) Laminar waves.
(c) Oscillary waves.
(d) None of these.
Answer. (c)
Q.14: In a current there is an actual movement of the water over great distances:
(a) True.
(b) False.
(c) Partly true.
(d) Cannot say.
Answer. (a)
Q.15: The territorial water of any country extends upto:
(a) 7 nautical miles.
(b) 12 nautical miles.
(c) 15 nautical miles.
(d) 18 nautical miles.
Answer. (b)
Q.16: Mark the correct sequence:
(a) Continental slope, continental shelf, continental rise and Abyssal plain.
(b) Continental shelf, continental slope, continental rise and Abyssal plain.
(c) Continental shelf, continental rise, continental slope and Abyssal plain.
(d) Abyssal plain, continental slope, continental slope, continental rise and continental shelf.
Answer. (b)
Q.17: The mature stage of Karst cycIe is characterised by:
(a) Progressive expansion of the underground drainage.
(b) Lakes, uvalas and caverns.
(c) Deline of Karst features.
(d) Reappearance of steams.
Answer. (b)
Q.18: Hellctites are depositional feature in a lime stone cavern, developed:
(a) Vertically.
(b) Horizontally.
(c) Obliquely.
(d) ln all directions as said above.
Answer. (d)
Q.19: The difference existed between lake and basin is:
(a) Lakes commonly occur above the mean-sea level while basins have their bottoms below the
water-table.
(b) Lakes are small in size than the basin.
(c) Lakes bottoms is below the water-table while the basins have their bottom above the
Water-table.
(d) All the statements are wrong.
Answer. (a)
Q.20: Dhands are:
(a) Depressions in glacial areas.
(b) Small lakes of aeolian origin.
(c) Small lakes of alluvial origin.
(d) Big basins surrounded by hills.
Answer. (b)
Q.21: The long ridges running more or less parallel to the sea shore are generally known as:
(a) Bars.
(b) Kames.
(c) Spits.
(d) Eskers.
Answer. (c)
Q.22: When the build-out of sand or gravel is extended from the main land out to a nearby
Island, the resulting feature is termed as:
(a) Recurved spilt.
(b) Baby barrier.
(c) Spilt.
(d) Tombolo.
Answer. (d)
Q.23: Berm is a:
(a) Deepest portion of sea.
(b) Terrace-like portion of a beach.
(c) Type of a bactoria.
(d) Type of land sliding.
Answer. (b)
Q.24: A narrow strip of water joining the two water bodies is called:
(a) Isthmus.
(b) Peninsula.
(c) Lagoon.
(d) Strait.
Answer. (d)
Q.25: The name of the ocean which is between Africa and Australia is:
(a) Pacific ocean.
(b) Arctic ocean.
(c) India ocean.
(d) Atlantic ocean.
Answer. (c)
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