Geology Papers 2002
 

[CENTER][CENTER][FONT=Verdana][B]FEDERAL PUBLIC SERVICE COMMISSION[/B][/FONT][/CENTER]
[/CENTER]
[CENTER][CENTER][FONT=Verdana][B]COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS[/B][/FONT][/CENTER]
[/CENTER]
[CENTER][CENTER][FONT=Verdana][B]IN BPS – 17 UNDER THE FEDERAL GOVERNMENT, 2002.[/B][/FONT][/CENTER]
[/CENTER]
[FONT=Verdana]
[/FONT] [CENTER][CENTER][FONT=Verdana][B][U]GEOLOGY, PAPER - I[/U][/B][/FONT][/CENTER]
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[FONT=Verdana]
[/FONT] [CENTER][CENTER][FONT=Verdana][B][U]TIME ALLOWED: THREE HOURS MAXIMUM MARKS:100[/U][/B][/FONT][/CENTER]
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[B]NOTE: Attempt FIVE questions in all, including question No. 8 which is COMPULSORY. All questions carry EQUAL marks.[/B]

[/FONT] [FONT=Verdana]1. Define bedding and stratification. Discuss various types of bedding. Which features are employed to check whether the beds are right side up or over turned?

[/FONT] [FONT=Verdana]2. What are unconformities? Discuss various stages involved in their development and describe with the help of diagrams various types of unconformities.

[/FONT] [FONT=Verdana]3. What is he base of division of crystals into Systems and Classes? What are the peculiarities of the “Normal class” of a system? Describe the symmetry of the normal class of the Hexagonal System.

[/FONT] [FONT=Verdana]4. What are Feldspars? Keeping in view the Al/Si distribution over the non-equivalent tetrahedral sites in the structure of feldspar. What is a disordered feldspar?

[/FONT] [FONT=Verdana]5. Write an essay on the Foraminifera with special reference to their distribution in Pakistan.

[/FONT] [FONT=Verdana]6. What is incongruent melting? Draw Phase diagram of the binary system-Leucite-Silica. Describe the characteristic features of this system.

[/FONT] [FONT=Verdana]7. Discuss the difference in the Petrography; chemistry and occurrence of the Alkali basalt and tholeiitc basalt.

[/FONT] [CENTER][CENTER][FONT=Verdana][B][U]COMPULSORY QUESTION[/U][/B][/FONT][/CENTER]
[/CENTER]
[FONT=Verdana]
[/FONT] [FONT=Verdana]8. [B](A) What is the difference between the following pairs (answer only in one or two lines).[/B]

[/FONT] [FONT=Verdana] (1) Orthoclase and Sanidine
[/FONT] [FONT=Verdana](2) Microcline and Maximum Microline
[/FONT] [FONT=Verdana](3) Biotite and Phlogopite
[/FONT] [FONT=Verdana](4) Octahedral and Six-fold Coordination
[/FONT] [FONT=Verdana](5) Normal and reverse fold
[/FONT] [FONT=Verdana](6) Stalactite and stalagmite
[/FONT] [FONT=Verdana](7) Gabbro and granite
[B]
(B) What is wrong with the following sentences:[/B]
[/FONT] [FONT=Verdana](8) There is no difference between a fault and a joint.
[/FONT] [FONT=Verdana](9) Forsterite is formed by the thermal metamorphism of sandstone
[/FONT] [FONT=Verdana] (10) In the thermal metamorphism of impure Mg-limestone a series of reaction are involved with progressive elimination of O2 from the system.
[/FONT] [FONT=Verdana](11) Essential minerals within Granite and Gabbro are quartz, alkali, feldspar and biotile.
[/FONT] [FONT=Verdana](12) M.K.T. separates the Indo-Pak Plate from the Kohistan Island arc.
[/FONT] [FONT=Verdana](13) Hardness of quartz is 4 in the Hohs Scale of hardness.
[/FONT] [FONT=Verdana](14) Kyanite and sillimanite are polymorphs of AI2O3.

[B](C) Write only the correct answer in the Answer Book. Do not reproduce the questions.[/B]

[/FONT] [FONT=Verdana] (15) Mg occupies the octahedral/tetrahedral coordinated positions in the silicate structure.

[/FONT] [FONT=Verdana](16) The average thickness of oceanic crust is:
[/FONT] [FONT=Verdana](a) 5 km
[/FONT] [FONT=Verdana](b) 35 km
[/FONT] [FONT=Verdana](c) 40 km
[/FONT] [FONT=Verdana](d) None of these

[/FONT] [FONT=Verdana](17) Eclogite is the high pressure equivalent of:
[/FONT] [FONT=Verdana](a) Gabbro
[/FONT] [FONT=Verdana](b) Diorite
[/FONT] [FONT=Verdana](c) Sandstone
[/FONT] [FONT=Verdana](d) None of these

[/FONT] [FONT=Verdana](18) The basalt-andesite – dacite-rhyolite series of rocks occur in:
[/FONT] [FONT=Verdana](a) Island arc environment
[/FONT] [FONT=Verdana](b) Continental marginal area
[/FONT] [FONT=Verdana](c) Orogenic belts
[/FONT] [FONT=Verdana](d) None of these

[/FONT] [FONT=Verdana](19) On the A.F.M. diagram, the tholieiitic series exhibit:
[/FONT] [FONT=Verdana](a) A non-iron enrichment trend
[/FONT] [FONT=Verdana](b) A high-iron enrichment trend
[/FONT] [FONT=Verdana](c) A moderate iron enrichment trend
[/FONT] [FONT=Verdana](d) None of these

[/FONT] [FONT=Verdana](20) When there are two generations of crystals in the igneous rocks, the texture is described as:
[/FONT] [FONT=Verdana](a) Porphyritic
[/FONT] [FONT=Verdana](b) Porphyroblastic
[/FONT] [FONT=Verdana](c) Aphyric
[/FONT] [FONT=Verdana](d) None of these[/FONT]

[CENTER][CENTER][FONT=Verdana][B]FEDERAL PUBLIC SERVICE COMMISSION[/B][/FONT][/CENTER]
[/CENTER]
[CENTER][CENTER][FONT=Verdana][B]COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS[/B][/FONT][/CENTER]
[/CENTER]
[CENTER][CENTER][FONT=Verdana][B]IN BPS – 17 UNDER THE FEDERAL GOVERNMENT, 2002.[/B][/FONT][/CENTER]
[/CENTER]
[FONT=Verdana]
[/FONT] [CENTER][CENTER][FONT=Verdana][B][U]GEOLOGY, PAPER - II[/U][/B][/FONT][/CENTER]
[/CENTER]
[FONT=Verdana]
[/FONT] [CENTER][CENTER][FONT=Verdana][B][U]TIME ALLOWED: THREE HOURS MAXIMUM MARKS:100[/U][/B][/FONT][/CENTER]
[/CENTER]
[FONT=Verdana]
[B]NOTE: Attempt FIVE questions in all, including question No. 8 which is COMPULSORY. All questions carry EQUAL marks.[/B]


[/FONT] [FONT=Verdana]1. What are salt domes? Discuss their evolution and economic significance.

[/FONT] [FONT=Verdana]2. Discuss mineral deposits of Hydrothermal Origin.

[/FONT] [FONT=Verdana]3. Make a diagram of a modern drilling rig, label its various parts and discuss the function of the water-based and oil drilling muds in Oil well drilling.

[/FONT] [FONT=Verdana]4. Briefly discuss the geological factors, which should be taken into consideration while selecting a suitable site for the construction of dams.

[/FONT] [FONT=Verdana]5. Give an account of the geological materials used as building stones.

[/FONT] [FONT=Verdana]6. What geophysical technique(s) is/are recommended for the prospection of iron-ore deposits? Give details of the techniques and instrument(s) used for this type of survey.

[/FONT] [FONT=Verdana]7. Write notes on the following:
[/FONT] [FONT=Verdana](a) Lag time or bottom-up figure
[/FONT] [FONT=Verdana](b) Coal and its varieties
[/FONT] [FONT=Verdana](c) Marble deposits in Pakistan.

[/FONT] [CENTER][CENTER][FONT=Verdana][B][U]COMPULSORY QUESTION[/U][/B][/FONT][/CENTER]
[/CENTER]
[FONT=Verdana]
[/FONT] [FONT=Verdana]8. Write only the correct answer in the Answer Book. Do not reproduce the questions.

[/FONT] [FONT=Verdana] (1) Ax type carbonate minerals are:
[/FONT] [FONT=Verdana](a) Calcite
[/FONT] [FONT=Verdana](b) Dolomite
[/FONT] [FONT=Verdana](c) Magnesite
[/FONT] [FONT=Verdana](d) Siderite
[/FONT] [FONT=Verdana](e) None of these

[/FONT] [FONT=Verdana](2) Economic deposits of chronite occur at:
[/FONT] [FONT=Verdana](a) Muslim bagh Baluchistan
[/FONT] [FONT=Verdana](b) Chillas ……….. Kohistan
[/FONT] [FONT=Verdana](c) Drgai ………….. Malakand
[/FONT] [FONT=Verdana](d) Hazara Kohistan
[/FONT] [FONT=Verdana](e) None of these

[/FONT] [FONT=Verdana](3) Barite in the drilling mud is used for increasing:
[/FONT] [FONT=Verdana](a) Mud weight
[/FONT] [FONT=Verdana](b) Viscosity
[/FONT] [FONT=Verdana](c) None of these

[/FONT] [FONT=Verdana](4) Beside marble, which of the following rock(s) is/are used for making tiles (after cutting and polishing):
[/FONT] [FONT=Verdana](a) Dolerite
[/FONT] [FONT=Verdana](b) Serpentinite
[/FONT] [FONT=Verdana](c) Granite
[/FONT] [FONT=Verdana](d) Sandstone
[/FONT] [FONT=Verdana](e) None of these

[/FONT] [FONT=Verdana](5) Is it true that a rock may be porous but not permeable?
[/FONT] [FONT=Verdana](a) Yes
[/FONT] [FONT=Verdana](b) No

[/FONT] [FONT=Verdana](6) Which of the following minerals are used in the glass industry:
[/FONT] [FONT=Verdana](a) Silica minerals
[/FONT] [FONT=Verdana](b) Feldspar
[/FONT] [FONT=Verdana](c) Olioine
[/FONT] [FONT=Verdana](d) Garnet
[/FONT] [FONT=Verdana](e) None of these

[/FONT] [FONT=Verdana](7) Which of the following minerals are used as gem minerals?
[/FONT] [FONT=Verdana](a) Talc
[/FONT] [FONT=Verdana](b) Diamond
[/FONT] [FONT=Verdana](c) Corundom
[/FONT] [FONT=Verdana](d) None of these

[/FONT] [FONT=Verdana](8) How much percent of total energy is produced through nuclear and hydle style power generation in Pakistan?
[/FONT] [FONT=Verdana](a) 10.3%
[/FONT] [FONT=Verdana](b) 41.1%
[/FONT] [FONT=Verdana](c) 43.5%
[/FONT] [FONT=Verdana](d) Any other

[/FONT] [FONT=Verdana](9) What is the total production of crude oil (daily basis) is Pakistan?
[/FONT] [FONT=Verdana](a) 60,000 bbls
[/FONT] [FONT=Verdana](b) 1,00,000 bbls
[/FONT] [FONT=Verdana](c) 70,000 bbls
[/FONT] [FONT=Verdana](d) Any other figure.

[/FONT] [FONT=Verdana](10) Which of the following minerals is oxide of iron?
[/FONT] [FONT=Verdana](a) Hemafite
[/FONT] [FONT=Verdana](b) Magnetite
[/FONT] [FONT=Verdana](c) Periclase
[/FONT] [FONT=Verdana](d) Siderite
[/FONT] [FONT=Verdana](e) None of these

[/FONT] [FONT=Verdana](11) The dam constructed on river Jhelum is known as:
[/FONT] [FONT=Verdana](a) Tanda Dam
[/FONT] [FONT=Verdana](b) Warsak Dam
[/FONT] [FONT=Verdana](c) Terbeila Dam
[/FONT] [FONT=Verdana](d) Mangla Dam
[/FONT] [FONT=Verdana](e) None of these

[/FONT] [FONT=Verdana](12) Which of the following rock(s) is/are ideal for the accumulation of oil?
[/FONT] [FONT=Verdana](a) Fractured limestone
[/FONT] [FONT=Verdana](b) Shale
[/FONT] [FONT=Verdana](c) Marle
[/FONT] [FONT=Verdana](d) Sandstone
[/FONT] [FONT=Verdana](e) None of these

[/FONT] [FONT=Verdana](13) Landslide are commonly seen in:
[/FONT] [FONT=Verdana](a) Muree Formation
[/FONT] [FONT=Verdana](b) Hazara Slates
[/FONT] [FONT=Verdana](c) Abbottabad Formation
[/FONT] [FONT=Verdana](d) None of these

[/FONT] [FONT=Verdana](14) Raw material for cement industry include:
[/FONT] [FONT=Verdana](a) Limestone
[/FONT] [FONT=Verdana](b) Shale
[/FONT] [FONT=Verdana](c) Clay
[/FONT] [FONT=Verdana](d) Slate
[/FONT] [FONT=Verdana](e) Gypsum
[/FONT] [FONT=Verdana](f) None of these

[/FONT] [FONT=Verdana](15) Best quality is reported from:
[/FONT] [FONT=Verdana](a) Ophiolitic mélange at Mingora
[/FONT] [FONT=Verdana](b) Hunza
[/FONT] [FONT=Verdana](c) Chaagai
[/FONT] [FONT=Verdana](d) None of these

[/FONT] [FONT=Verdana](16) Which type of Coal shows highest carbon content?
[/FONT] [FONT=Verdana](a) Pest
[/FONT] [FONT=Verdana](b) Lignite
[/FONT] [FONT=Verdana](c) Bituminous
[/FONT] [FONT=Verdana](d) None of these

[/FONT] [FONT=Verdana](17) Kimberlite are high Pressure ultrabic rocks and are the main source of the terrestrial:
[/FONT] [FONT=Verdana](a) Diamond
[/FONT] [FONT=Verdana](b) Phlogopite
[/FONT] [FONT=Verdana](c) Jad. Pyroxene
[/FONT] [FONT=Verdana](d) None of these

[/FONT] [FONT=Verdana](18) Among the geophysical methods, resistivity method is most suitable for:
[/FONT] [FONT=Verdana](a) Ground water survey
[/FONT] [FONT=Verdana](b) Metallic mineral deposits
[/FONT] [FONT=Verdana](c) Oil and gas exploration
[/FONT] [FONT=Verdana](d) None of these

[/FONT] [FONT=Verdana](19) How much energy is produced through burning natural gas in Pakistan?
[/FONT] [FONT=Verdana](a) 41.4%
[/FONT] [FONT=Verdana](b) 4.5%
[/FONT] [FONT=Verdana](c) Any other figure

[/FONT] [FONT=Verdana](20) Why the O.G.D.C. is called as O.G.D.C.L. now?[/FONT]