Practice test

Soil geography - Test Set 5

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Which is the following factor affecting the soil cement stabilization:
    1. Nature of soil.
    2. Curing.
    3. Cement content.
    4. All of these.
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  2. Question 2

    In plastic soil lime stabilization, the percentage of lime by volume is:
    1. 8 to 20 %
    2. 5 to 10 %
    3. 1 to 5 %
    4. None
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  3. Question 3

    Pre-compression is a technique for in situ densification of:
    1. Sandy soil.
    2. Silty soil.
    3. Sandy and silty soils.
    4. Clayey soils.
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  4. Question 4

    With the increased value of plasticity index of a soil, the quantity of lime required for its stabilization will:
    1. Decrease
    2. Increase
    3. Some time increase and some time decrease.
    4. All of these
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  5. Question 5

    The SPT-N value is the number of blows required to drive the sampler through the last:
    1. 15cm
    2. 30cm
    3. 50cm
    4. 55cm
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  6. Question 6

    Chunk sampling is the process of:
    1. Disturbed sampling
    2. Water sampling
    3. Soil sampling
    4. Undisturbed sampling
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  7. Question 7

    The area ratio for a sampling tube with an inner diameter of 72 mm and outer diameter is:
    1. 8.5
    2. 0.085
    3. 0.85
    4. 0.065
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  8. Question 8

    The formation of laterite soil is mainly due to:
    1. Weathering
    2. Leaching
    3. Erosion
    4. Deposition
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  9. Question 9


    Soil can best be conserved on the hills by which of the cultivating methods?
    1. Strip cropping
    2. Crop rotation
    3. Terracing
    4. Contour ploughing
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  10. Question 10


    Which of the following is not a tropical type of soil?
    1. Desert soil
    2. Slit soil
    3. Red soil
    4. Brown soil
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  11. Question 11

    What do you understand by the word regur?
    1. Black soil found in the Deccan
    2. Red, colour sticky soil, found in the Amazon area
    3. Black soil found in northern Argentina
    4. Grey-brown soil found in Russia
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  12. Question 12

    Which of the following types of soils have a marked capacity to retain water?
    1. Desert soil
    2. Laterite soil
    3. Red soil
    4. Regur soil
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  13. Question 13

    The soil formed by the deposition of silt brought by rivers is :
    1. Alluvial soil
    2. Red soil
    3. Pod soil
    4. Black soil
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  14. Question 14

    The Red soils develop a reddish colour due to:
    1. Deforestation and over-grazing
    2. The presence of potash and magnesia
    3. Tropical monsoonal climate
    4. A wide diffusion of iron in ancient crystalline and metamorphic Jacks
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  15. Question 15

    Peaty soil is found in :
    1. Kerala
    2. Assam
    3. Kashmir
    4. Gujarat
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  16. Question 16

    Which of the following is the most important factor in soil formation?
    1. Natural vegetation
    2. Climate
    3. Relief
    4. Rock cover
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  17. Question 17

    NDA 2003
    Winter rains in North and North-West India are generally associated with the phenomenon of:
    1. Temperate cyclones
    2. Retreating monsoon
    3. Local thunderstorms
    4. Shift in jet stream movement
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  18. Question 18

    'Sal' is a very important tree of:
    1. Tropical dry deciduous forest
    2. Tropical rain forest
    3. Alpine forest
    4. Thorn forest
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  19. Question 19

    Most of the floods in the lowlands of N. India, the Bihar plateau and Orissa are associated with:
    1. Easterly depression
    2. South-West Monsoon
    3. Orographic rainfall
    4. Thunderstorm
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  20. Question 20

    CDS 1999

    Which one of the following pairs is not correctly matched?
    1. Flood-prone area: North Bihar Plain
    2. Drought-prone area: Kalahandi district of Orissa
    3. Seismic zone: Himalayan region
    4. Landslide zone: Chhotanaqpur plateau
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