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

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B.Sc. (Part-I) Semester-I Examination

1S : GEOLOGY (NEW)

(General Geology, Physical Geology, Mineralogy, Crystallography and Field Geology)

Time : Three Hours] [Maximum Marks : 80

Note :— (1) All questions are compulsory.

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(2) Draw neat and well labelled diagrams wherever necessary.

1. (A) Fill in the blanks :
   1. Study of mineral is called __________
   2. Solar system consists of __________ number of planets.
   3. Pot holes are formed by __________ erosion.
   4. Pleochroism is studied under __________ light

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   (B) Choose the correct alternatives :
   1. Polarising microscope has
      1. Fixed stage
      2. Rotating stage
      3. Vertical rotating stage
      4. Revolving stage

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   2. Nebula is :
      1. Rotating cloud
      2. Solid cloud
      3. Flying cloud
      4. None of the above

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   3. Mechanical weathering is called :
      1. Physical weathering
      2. Chemical weathering
      3. Biological weathering
      4. Erosional weathering

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   4. Products of Volcano include :
      1. Volcanic sand-stone
      2. Volcanic bomb
      3. Sedimentary rocks
      4. Metamorphic rocks

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   (C) Answer the following in one/two sentences :
   1. What is crystal ?
   2. What is axis of symmetry ?
   3. What is seismogram ?
   4. What is plane polarised light ?

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2. Explain the following :
   1. Branches of Geology.
   2. Planetesimal hypothesis.
   3. Composition of mantle.
   OR
   1. Rb-Sr method of age determination.
   2. Crust and mantle.

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   3. Nature of core.
3. Describe in detail geological work done by wind.

   OR

   Describe in detail geological activity of river
4. Explain the following :
   1. Epierogeny and orogeny

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   2. Types of volcano.
   3. Measurement of earthquake.
   OR
   1. Elastic rebound theory.
   2. Product of volcano.
   3. Causes of earthquake.

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5. Describe in detail construction and working of petrological microscope.

   OR

   What is form of a mineral ? Describe in detail various forms of a mineral.
6. Explain the following :
   1. Elements of a crystal symmetry.
   2. Symmetry elements of cubic system.

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   3. Law of constancy of interfacial angle.
   OR
   1. Symmetry elements of Hexagonal system.
   2. Parameter system of Weiss
   3. Contact Goniometer

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7. Explain the following :
   1. Toposheet.
   2. Latitude and Longitude
   3. Signs on Toposheets.
   OR
   1. Plane table survey.
   2. Clinometer compass

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   3. Dumpy level.

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