JNTU
JNTU B.Tech II FUNDAMENTALS OF GEOLOGY Previous Question Paper (November/December - 2018 - R13)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
Part A
Define Barrier reefs and Atolls in sea water deposits.
Answer
A Barrier reef is a coral reef running parallel to the shore but separated from it by a deep lagoon. An Atoll is a ring-shaped coral reef, island, or series of islets that surrounds a central lagoon.
Describe glacial moraines.
Answer
Glacial moraines are accumulations of dirt and rocks, known as glacial till, that have been pushed along by a glacier as it moves. They are classified based on their position relative to the glacier: terminal moraines mark the farthest extent of the ice, lateral moraines form along the sides, and medial moraines form where two glaciers merge.
Write the cleavage and luster of the given minerals i) feldspar ii) Quartz.
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Define sedimentary rock and write mode of occurrence of limestone.
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Define fold and explain overturned fold.
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Define thrust fault and normal fault with neat diagramme.
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Write the economical minerals of cuddapah system.
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Define stratigraphy and law of Uniformitarianism.
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Define porosity and permeability.
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Write short note on S-P interval.
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Part B
Explain briefly features of glacial erosion with neat diagramme.
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Define delta and explain structure and growth of deltas.
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Write a short note on i) pedestal rock ii) Spheroidal weathering.
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Explain geological work of wind and its landforms.
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Define metamorphic rock and explain petrographic characteristics of schist and gneiss.
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Describe physical chemical properties of ore forming minerals i) Bauxite ii) Chromites iii) Pyrite.
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Define mineral and rock? Explain the mode of occurrence of Dolerites and Gabbros.
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What is meant by mineral fracture? Discuss the different types of fractures, give suitable examples.
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Define fault? Mention types of faults and their classification, explain it with diagrammatically.
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Write a short note on foliation and lineation of rock structures.
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Define joints. Explain classification and types of joints.
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Write a short note on i) True dip and apparent dip ii) Unconformity and types.
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Explain the economic importance of Dharwar group of rocks.
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Explain geological time scale and stratigraphic succession.
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Explain briefly stratigraphic order of Himalayas and its mineral wealth.
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Describe the mineral wealth of Gondwana group of India and its distribution.
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Explain types of water bearing qualities of rocks.
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Define aquifer and explain different types of aquifers.
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Describe the causes and effects of earthquakes; explain seismic zoning map of India.
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Describe briefly names of the economic minerals, importance and its occurrence in India.
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