Irrigation Engineering
Assertion A : To estimate the rainfall over a catchment, the number of raingauges required per unit area is large for hilly areas.Reason R : Rainfall gradient is steep. Select your correct answer according to the coding system given below :

Both A and R are true and R is the correct explanation of A
A is true but R is false
A is false but R is true
Both A and R are true but R is not the correct explanation of A

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Irrigation Engineering
A water-logged land is found suitable for cultivation due to

None of these
Ease of tillage for preparation of the field for optimum condition of germination
Absence of aeration of soil from root zone of the plant
Regular supply of water to plants from the water table by capillary action

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