Term I Geography 100 Marks Question Paper

9th Standard

    Reg.No. :
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Social Science

Time : 02:30:00 Hrs
Total Marks : 100

    Part A

    15 x 1 = 15
  1. Diastrophism is connected to

    (a)

    volcanism

    (b)

    earthquakes

    (c)

    14°ctectonics

    (d)

    fold/fault

  2. In the ancient period, Gondwana land moved towards _________ direction.

    (a)

    north

    (b)

    south

    (c)

    east

    (d)

    west

  3. The point of origin of an Earthquake is called the _____ 

    (a)

    epicentre

    (b)

    focus

    (c)

    seismic wave

    (d)

    magnitude

  4. This is the solid outer part of the Earth

    (a)

    Lithosphere

    (b)

    Atmosphere

    (c)

    Hydrosphere

    (d)

    Biosphere

  5. This is a dead volcano.

    (a)

    Mt. St. Helens

    (b)

    Mt. Kilimanjaro

    (c)

    Mt. Fuji

    (d)

    Paricutin

  6. Composite volcanoes are commonly found in the______________ocean.

    (a)

    Pacific

    (b)

    Southern

    (c)

    Indian

    (d)

    Atlantic

  7. Karst topography is formed due to the action of _______ 

    (a)

    Glacier

    (b)

    Wind

    (c)

    Sea waves

    (d)

    Ground water.

  8. Deposits of fine silt blown by wind is called as

    (a)

    Loess

    (b)

    Barchans

    (c)

    Hamada

    (d)

    Ripples

  9. The process of dissolution of rock substances in water is________

    (a)

    oxidation

    (b)

    solution

    (c)

    gradation

    (d)

    hydration

  10. ______ is the most important gas for the survival of living organisms.

    (a)

    Helium

    (b)

    carbon-di-oxide

    (c)

    oxygen

    (d)

    oxygen

  11. The average global surface temperature is ______ 

    (a)

    120°C

    (b)

    130°C

    (c)

    140°C

    (d)

    150°C

  12. The Monsoons are _________ 

    (a)

    Prevailing winds

    (b)

    Periodic winds

    (c)

    local winds

    (d)

    none of the above

  13. Humidity of the atmosphere is measured by the wet and dry bulb thermometer called _________

    (a)

    Anemometer

    (b)

    Thermometer

    (c)

    Hygrometer

    (d)

    Barometer

  14. The wind blowing from the east is________

    (a)

    Planetary winds

    (b)

    Easterly winds

    (c)

    Variable winds

    (d)

    Local winds

  15. This is the earth's magnetic belt________

    (a)

    Thermosphere

    (b)

    Stratosphere

    (c)

    Mesosphere

    (d)

    Magnetosphere

  16. Part B

    15 x 1 = 15
  17. Granite

  18. (1)

    jewellery making

  19. Diamond

  20. (2)

    karst topography

  21. Basalt

  22. (3)

    Mixing of water with CO2

  23. Mantle.

  24. (4)

    action of sea wave

  25. Composite Volcano

  26. (5)

    21%

  27. Eskers

  28. (6)

    glacial action

  29. Stalactites

  30. (7)

    Pacific Ocean

  31. Cliff

  32. (8)

    Construction work

  33. Granular disintegration

  34. (9)

    Laying roads

  35. Carbonation

  36. (10)

    wind speed

  37. Anemometer

  38. (11)

    direction of wind

  39. Wind Vane

  40. (12)

    SIMA

  41. Oxygen

  42. (13)

    78%

  43. Nitrogen

  44. (14)

    William Ferrel

  45. Ferrel's law

  46. (15)

    Due to the action temperature

    Part C

    6 x 1 = 6
  47. Igneous rocks are also called Primary Rocks or Mother rocks.

  48. Wind can possibly erode the rocks from all sides

  49. Why do the Pedestal rock look like mushroom?

  50. Cyclones cause huge loss of life and property.

  51. Convectional rainfall is also called 4'0 clock rain.

  52. The sub-tropical high pressure are called "horse latitudes". Why?

  53. Part D

    15 x 2 = 30
  54. What are fossils?

  55. What do the internal processes generate?

  56. Is weathering a pre-requisite in the formation of soil

  57. Snowline of Alps is 2700 metre where as the snowline of Greenland is just 600 mts. Find out the reason.

  58. Glaciers do not form deep narrow valleys. Why?

  59. What are "Pot Holes"?

  60. State the other erosional features of Karst regions in other parts of the world

  61. What are the units used to measure the temperature?

  62. What is insulation?

  63. What happens to atmospheric pressure with altitude?

  64. Primary waves and Secondary waves.

  65. Atmosphere and Biosphere.

  66. Stalactite and stalagmite

  67. Alluvial Plain and Flood Plain

  68. Isobar and Isotherm.

  69. Part E

    3 x 3 = 9
  70. What do you mean by biological weathering?

  71. What do you mean by a hanging valley?

  72. Cuddalore and Nagapattinam are always affected by cyclones. Why?

  73. Part F

    3 x 5 = 15
  74. Write a note on the internal and external processes of Earth

  75. Describe the Erosional landforms of Sea

  76. How is the Orographic rainfall caused?

  77. Part G

    1 x 10 = 10
  78. On the given outline map of the world, mark the following:
    a. Pacific Ring of fire
    b. Earthquake prone zones (any two)
    c. Locate any two active volcanoes of the world.
    d. Himalayas and Alps ranges
    e. Rift valley of East Africa.

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