GEO - Rock and Soil English Medium Free Online Test 1 Mark Questions 2020-2021

8th Standard

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Social Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. Which of the following is known as sphere of rocks

    (a)

    Atmosphere

    (b)

    Biosphere

    (c)

    Lithosphere

    (d)

    Hydrosphere

  2. Fossils are found in

    (a)

    Sedimentary rocks

    (b)

    Igneous rocks

    (c)

    Metamorphic rocks

    (d)

    Plutonic rocks

  3. The first layer of soil is called as

    (a)

    Regur

    (b)

    Regolith

    (c)

    Unweathered rock

    (d)

    partially weathered rock

  4. Ideal soil for growing cotton is

    (a)

    Red soil

    (b)

    Black soil

    (c)

    Alluvial soil

    (d)

    Mountain soil

  5. The major component of soil is

    (a)

    Rocks

    (b)

    Gas

    (c)

    Water

    (d)

    Minerals

  6. Which one of the following is the most widespread most and productive category of soil

    (a)

    Alluvial soil

    (b)

    Black soil

    (c)

    Red soil

    (d)

    Mountain soil

  7. This soil is not suitable for agriculture

    (a)

    Alluial Soil

    (b)

    Desert Soil

    (c)

    Black Soil

    (d)

    Laterite Soil

  8. To become a well matures soil, it takes ______ years.

    (a)

    200

    (b)

    2000

    (c)

    3000

    (d)

    400

  9. ________ part is composed of organic matter mixed with mineral matter.

    (a)

    Organic material

    (b)

    Sub soil

    (c)

    Top soil

    (d)

    Humus

  10. Oldest sedimentary rocks of the world has been identified in ________

    (a)

    Greenland

    (b)

    Newzeland

    (c)

    England

    (d)

    Ireland

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