The saturation zone during infiltration is immediately followed by the wetting front. This zone represents the advancing boundary between the saturated and unsaturated parts of the soil as water infiltrates. It is a critical concept in soil-water dynamics and irrigation management.
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27 Mins English English100 Questions100 Marks120 Mins English English75 Questions300 Marks90 Mins English(i) Very dark, cracking clay-dominated soils;
(ii) locally called regur, karail, and bhal;
(iii) high clay varying from 30–60%, base-rich;
(iv) occur in Maharashtra, Madhya Pradesh, Gujarat, Rajasthan, Chhattisgarh and some parts of Karnataka and T.N. __________- is called
[A] Black Soils
[B] Alluvial Soils
[C] Red Soils
[D] Laterite and Lateritic Soils
Choose the correct answer from the options given below:
The following is the list of pesticides:
[a] B.H.C.
[b] D.D.T.
[c] NaCN
[d] Heptachlor
[e] Carbendazim
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Objective of GIS
[A] Maximizing the efficiency of planning and decision-making.
[B] Providing efficient means for data distribution and handling.
[C] Elimination of redundant database – minimize duplication.
[D] Capacity to integrate information from many sources.
Choose the most correct answer from the options given below:
| List-I (Land Capability Classes) |
List-II (Colour) |
| (A) Class II |
(I) Green |
| (B) Class IV |
(II) Yellow |
| (C) Class III |
(III) Brown |
| (D) Class I |
(IV) Pink |
Match List-I with List-II
List-I (Characteristic)
(A) Si is replaced by Al³⁺ ions
(B) Attachment of Ca²⁺ on clay surface
(C) Na⁺ replacing other cations on clay surface
(D) H dissociated from hydroxyl ions on clay surface
List-II (Terminology)
(I) Ionic double layer
(II) pH dependent charge
(III) Dispersion of clay
(IV) Isomorphous substitution
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