Practice test

Soil geography - Test Set 4

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 soil type is best for growing rice?
    1. Sandy
    2. Loamy
    3. Clay
    4. Peaty
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  2. Question 2

    What is an Andisol?
    1. A soil type found in deserts
    2. A type of sandy soil
    3. A soil formed from volcanic ash
    4. A clayey soil
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  3. Question 3

    What is the role of soil horizons?
    1. They increase soil depth
    2. They separate different soil types
    3. They have no role
    4. They provide layers with varying characteristics
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  4. Question 4

    What is the main characteristic of mollisol soil?
    1. Dark, fertile topsoil
    2. High acidity
    3. Saline content
    4. Clayey texture
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  5. Question 5

    The soil which is deposited at its own place of origin is known as:
    1. Aeolian soil
    2. Residual soil
    3. Glacial soil
    4. Transported soil
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  6. Question 6

    The soil which is deposited at the place other than its origin is known as:
    1. Transported soil
    2. Residual soil
    3. Both (a) and (b)
    4. All of these
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  7. Question 7

    Which soil is transported and deposited by ice?
    1. Lacustrine soil
    2. Glacial soil
    3. Aeolian soil
    4. None of these
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  8. Question 8

    The rate of chemical weathering depends on the:
    1. Surface area
    2. Amount of water
    3. Temperature
    4. All the above
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  9. Question 9

    The soil which is transported and deposited by wind is called:
    1. Residual soil
    2. Lacustrine soil
    3. Aeolian soil
    4. Marine soil
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  10. Question 10

    Carbonic acid is formed due to the reaction between:
    1. Carbon dioxide and SO2
    2. Carbon dioxide and NO2
    3. Carbon dioxide and N2O3
    4. Carbon dioxide and H2O
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  11. Question 11

    What are the three main types of chemical weathering?
    1. Solution, hydration, and reduction
    2. Hydrolysis, carbonation, and oxidation
    3. Solution, reduction, and chelation
    4. Solution, carbonation, and oxidation
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  12. Question 12

    The process of breakdown of rock by acidic water is known as:
    1. Hydrolysis
    2. Oxidation
    3. Carbonation
    4. Chelation
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  13. Question 13

    The process of breakdown of rocks by oxygen and water is:
    1. Carbonation
    2. Hydrolysis
    3. Chelation
    4. Oxidation
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  14. Question 14

    The aim of soil stabilization is to increase the:
    1. Seepage.
    2. Shear strength.
    3. Bearing capacity.
    4. Both (b) and (c).
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  15. Question 15

    In case of stabilization usual proportion of cement to be added to a sandy soil is around:
    1. 10 %
    2. 15 %
    3. 5 %
    4. 20%
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  16. Question 16

    Consider the following statements about black soil of India

    I. Black soil becomes sticky when it is wet.
    II. Black soil contains adequate nitrogen as well as phosphorous required for the growth of plants.


    Which of the statements given above is/are correct?
    1. Only I
    2. Only II
    3. Both I and II
    4. Neither I nor II
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  17. Question 17

    Which one of the following soil types of India is rendered infertile by the presence of excess iron?
    1. Desert sand
    2. Lateritic
    3. Alluvial
    4. Podzolic
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  18. Question 18

    Which one of the following statements is not true for laterite soils?
    1. They are the soils of the humid tropical regions
    2. They are highly leached soils
    3. They are rich in lime
    4. Their fertility is low
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  19. Question 19

    A fertile soil, suitable for growing common crops is likely to have a pH value of:
    1. Three
    2. Four
    3. Six to Seven
    4. Nine to Ten
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  20. Question 20

    Which of the following soils is most suited for tea plantation?
    1. Acidic
    2. Alluvial
    3. Alkaline
    4. Regur
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