Download SGBAU BSc 2019 Summer 1st Sem Geology General Geology Physical Geology Mineralogy Crystallography n Field Geology Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 1st Sem Geology General Geology Physical Geology Mineralogy Crystallography n Field Geology Previous Question Paper

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B.Sc. (Part?I) Semestcr?l Examination
lS : GEOLOGY (NEW)
(General Geology, Physical Geology, Mineralogy, Crystallography and Field Geolugy)
'l?imc : Three Hours] [Maximum Marks : 80
Note :-?(1) All questions are compulsory.
1.
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(A)
(B)
(C)
(2) Draw neat and well labelled diagrams wherever necessary.
Fill in the blanks :
(i) Study of mineral is called _7 -
(ii) Solar system consists of __ _ number of planets.
(iii) Pol holes are formed by __ erosion.
(iv) Plcochroism is studied under _' light. 2
Choose the correct alternatives :
(i) Polarising microscope has
(a) Fixed stage (b) Rotating stage
(c) Vertical rotating stage (d) Revolving stage
(ii) Nebula is :
(a) Rotating cloud (b) Solid cloud
(c) Flying cloud (d) None 01? the above
(iii) Mechanical weathering is called :
(a) Physical weathering (b) Chemical weathering
(c) Biological weathering (d) Erosional weathering
(iv) Products of Volcano include :
(a) Volcanic sand-stone (b) Volcanic bomb
(c) Sedimentary rocks ((1) Metamorphic rocks 2
Answer the following in cne/two sentences :
(i) What is crystal ??
(ii) What is axis of symmetry ??
(iii) What is seismogram ?
(in) What is plane polarised light 1? 4
Explain the following :
(a)
(b)
(C)
Branches of Geology.
Planetesimal hypothesis.
Composition of mantle.
OR
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(G) Rb-Sr method 01? age .icurnumzion Hf rocks.
(0) Crust and mantle.
(1) Nature of core.
Describe in detail geological WML. done by wind.
0R
Describe in detail geologiml antivity 0f rix'cr.
Explain (h: following :
(a) Epiemgeny and orogcn),
(b) Types of volcano.
(c) Measurement of earthquake.
0R
((1) Elastic rebound theory.
(6?) Product of volcano.
(1) Causes of earthquake.
Describe in detail construction and working of petrologlcal microscope.
OR
What is farm 01' a mineral 2' Describe in detail various forms of a mineral.
Explain the following :
(a) Elements of a crystal symmetry.
(b) Symmetry elements of cubic system.
(c) Law of constancy of ime?fuciul angle
OR
(d) Symmetry elements :va I?lcxugonal system.
(6) Parameter system 01 Weiss
(1') Convact Goniomcter.
Explain the following :
(a) Toposheet.
(b) Lati?ude and Longit 1d?
(0) Signs on 'I?oposheet:;.
OR
((1) Plane table survey.
(6) Clinomcter compasa?
(1) Dumpy level.
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