Geology Objective Question Papers

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Objective Question Papers on Geology

1. True dip of a bed is measured in a direction
(1) Perpendicular to strike
(2) Parallel to strike
(3) Oblique to strike
(4) All of these

2. Dip of a bed is measured in _
(1) Vertical plane
(2) Horizontal plane
(3) Axial plane
(4) Inclined plane

3. Dip direction of a bed is N 15° W. It’s strike direction is
(1) N-S
(2) S 15°E
(3) N 75° R
(4) E-W

4. A bed is recognised on the basis of
(1) Lithological characters
(2) Fossil contents
(3) Degree of effects of erosional processes
(4) All of these

5. Clinometer is used for
(1) Determination of strike
(2) Determination of amount of dip
(3) Determination of dip direction
(4) All of these

6. Difference between slope and dip is
(1) slope is of earth surface while dip is of a bed
(2) slope is formed by erosion while dip is due to deformation
(3) slope may be changed by erosional processes but dip cannot be
(4) All of these

7. What is the difference between strike line and contour line
(1) contour line is related to topography while strike line is to bed.
(2) distance between contours may vary while strike lines are parallel.
(3) strike line is a vector while contour line is non-vector.
(4) All of these

8. Geological maps exhibits
(1) Topography
(2) Topography & rock out crops
(3) Structural features of rock
(4) All of these

9. Hinge of a fold may be
(1) Vertical
(2) Horizontal
(3) Inclined
(4) All of these

10. A fold with two fold axes is called
(1) Cheveron fold
(2) Box fold
(3) Recumbent fold
(4) Open fold

11. A fold having horizontal axial plane is called __________,
(1) Isoclinal fold
(2) Cheveron fold
(3) Symmetrical fold
(4) Recumbent fold

12. Horizontal displacement between beds due to faulting is called .
(1) Throw of fault
(2) Heave of fault
(3) Slip of fault
(4) None of these

13. Fault, parallel to dip of strata is called .
(1) Dip fault
(2) Strike fault
(3) Oblique fault
(4) None of these

14. Which of the following effect, is not caused by hydrostatic pressure on rocks ?
(1) Decrease in volume of rocks
(2) Increase in density of rocks
(3) Increase in strength of rocks
(4) Decrease in the elasticity of rocks

15. Which of the following is a linear structure ?
(1) Unconformity plane
(2) Cleavage
(3) Boudinage
(4) Joint

16. Which of the following is used for recognition of fault in field ?
(1) Discontinuity of structure
(2) Repetition and omission of strata
(3) Slickensides
(4) All of these

17. A fold concave upward and having older rock in the center is called
(1) Anticline
(2) Antiform
(3) Syneline
(4) Synform

18. GIS software programmes are
(1) vector based only
(2) raster based only
(3) both vector and raster based
(4) None of these

19. Which of the following is a/an vector based software ?
(1) Are view
(2) IRDISI
(3) ERDAS Imagine
(4) None of these

20. Components of GIS include
(1) Hardware
(2) Software
(3) Data and method
(4) All of these

21. Rays of wavelengths shorter than those visible to eye are
(1) Ultraviolet
(2) X-rays
(3) Gamma rays
(4) All of these

22. Which of the following band number is used for land water discrimination and hydrological studies ?
(1) Band 4 (green)
(2) Band 5 (lower red)
(3) Band 7 (infra-red)
(4) None of these

23. Where is the headquarters of National Remote Sensing Agency in India ?
(1) Bengaluru
(2) Ahmedabad
(3) Hyderabad
(4) Dehradun

24. Deviation of aero plane from flight path due to wind during aerial photography is known as
(1) Drift
(2) Crab
(3) Overlap
(4) Side lap

25. Parallax bar in remote sensing context is
(1) viewing instrument
(2) measuring instrument
(3) plotting instrument
(4) None of these

26. First aerial photograph from a balloon by Nadar was of which city ?
(1) London
(2) New York
(3) Paris
(4) Moscow

27. Which of the following factors can affect vertical exaggeration in remote sensing ?
(1) Airbase
(2) Camera height
(3) Focal length
(4) All of these

28. Which of the following MSS BAND numbers is suitable for geological investigations ?
(1) Band 4 only
(2) Band 5 only
(3) Band 6 only
(4) Band 5 and 6

29. Photo scale of aerial photograph suitable for mineral exploration is
(1) 1:15000
(2) 4:30000
(3) 1:45000
(4) 1:60000

30. Orbit of Geostationary satellite is from
(1) West to East
(2) East to West
(3) North to South
(4) South to North

31. How many minerals in the Moh’s hardness scale have calcium ?
(1) 4
(2) 5
(3) 3
(4) 1

32. Which of the following minerals is called diasthen ?
(1) Sillimanite
(2) Kyanite
(3) Andalusite
(4) Corundum

33. Which of the following minerals does not occur in metamorphic rocks ?
(1) Quartz
(2) Gluconite
(3) Garnet
(4) Feldspar

34. Cube has triad axes of symmetry.
(1) 3
(2) 6
(3) 4
(4) 13

35. Symmetry elements of axinite are
(1) A centre of symmetry only
(2) A centre of symmetry and a plane of symmetry
(3) A centre of symmetry and one diad axis
(4) A centre of symmetry, one plane of symmetry and one diad axis.

36. Symmetry elements of 4/mm crystal class are
(1) 1A4, 4A2; 5m ;i
(2) 4A4, 1A2; 4m
(3) 2A4, 4A4; 5m
(4) 4A4, 1A2; 4m;i

37. Which of the following symmetry elements represent holosymmetrical class of hexagonal system ?
(1) 1A63A2;4m;i
(2) 1A6, 6A2,i
(3) 1A6; 6m
(4) 1A6, 6A2; 7m, i

38. Which of the following shows polymorphism ?
(1) Diamond — Graphite
(2) Quartz — Orthoclase
(3) Microcline — Plagioclase
(4) Aragonite — Cerusite

39. Which of the following pairs is an example of isomorphism ?
(1) Diamond — Graphite
(2) Forsterite — Fayalite
(3) Calcite — Aragonite
(4) Pyrite — Marcasite

40. Which of the following shows correct order of increasing hardness of minerals ?
(1) Baryte — Garnet — Galena — Haematite
(2) Baryte — Haematite — Garnet — Galena
(3) Baryte — Haematite — Galena — Garnet
(4) Galena — Baryte — Haematite — Garnet

41. Which among the following minerals has highest specific gravity ?
(1) Calcite
(2) Baryte
(3) Quartz
(4) Fluorite

42. On the basis of Tenacity, graphite is ______.
(1) Malleable
(2) Sectile
(3) Flexible
(4) Brittle

43. Pseudomorphy are formed by
(1) Incrustation
(2) Replacement
(3) Alteration
(4) All of these

44. Which of the following minerals shows conchoidal fracture ?
(1) Quartz
(2) Muscovite
(3) Wollastonite
(4) Andalusite

45. Name the property of quartz due to which it is used in frequency control in communication devices ?
(1) Pyroelectricity
(2) Piezoelectricity
(3) Hardness
(4) Specific gravity

46. Which of the following minerals has phyllosilicate structure ?
(1) Biotite
(2) Quartz
(3) Hypersthene
(4) Garnet

47. Which of the following minerals has double chain ionosilicate structure ?
(1) Hypersthene
(2) Diopside
(3) Tremolite
(4) Augite

48. Which of the following represents uniaxial positive mineral ?
(1) Ne>n0
(2) ne <n0
(3) ne =n0
(4) None of these

49. Which of the following minerals is & uniaxial positive mineral ?
(1) Zircon
(2) Calcite
(3) Nepheline
(4) Tourmaline

50. Which of the following minerals is biaxial positive mineral ?
(1) Sphere
(2) Andalusite
(3) Topaz
(4) Kyanite