GeographyAssertion (A): Arid Soils are saline in nature.Reason (R): The lower horizon of Arid soils is occupied by the Kankar.

Assertion (A): Arid Soils are saline in nature.


Reason (R): The lower horizon of Arid soils is occupied by the Kankar.


  1. A
    Both (A) and (R) are true and (R) is the correct explanation of (A)
  2. B
    Both (A) and (R) are true but (R) is not the correct explanation of (A)
  3. C
    (A) is true, but (R) is false
  4. D
    (A) is false, but (R) is true 

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    Solution:

    The colour of arid soils ranges from red to brown. They are often salty in character and have a sandy feel. In some regions, where there is a large concentration of salt, common salt is produced by evaporating water. Evaporation is accelerated by dry weather and high temperatures, and the loss of humus and moisture in the soil results. Hence the assertion is correct. Kankar inhabits the lower strata of the soil because of the soil's escalating calcium concentration. The lowest horizons' Kankar layer formations limit water intrusion. These soils can be farmed after sufficient irrigation, as in the case of western Rajasthan. Thus, the reasoning is also correct, but it is not the correct explanation of the assertion.
     
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