| List I |
List II |
| A. Removal of iron and aluminum oxides humus etc. in a humid climate |
I. Eluviation |
| B. Reduction of iron in the waterlogged horizon |
II. Podzolization |
| C. Intermixing of the horizons |
III. Gleization |
| D. Mobilization and translocation of Fe & Al oxides, humus, CaCO₃ and other salts |
IV. Pedoturbation |
A – II (Podzolization): Leaching of Fe, Al, and humus in cool, humid climates.
B – III (Gleization): Happens under anaerobic, waterlogged conditions with iron reduction.
C – IV (Pedoturbation): Refers to the mixing of soil horizons by natural forces (organisms, frost, etc.).
D – I (Eluviation): Downward movement of dissolved or suspended materials.
English
20 Questions
80 Marks
24 Mins English English75 Questions300 Marks90 Mins English English30 Questions30 Marks27 Mins English| Set A (Scientist) |
Set B (Contribution) |
| [i] Thomas Way |
[a] Borax |
| [ii] Thomas Graham |
[b] Ammonium molybdate |
| [iii] Sorenson |
[c] Copper sulphate |
| [iv] Schofield |
[d] Zinc sulphate |
| Set A |
Set B |
| [i] Robinson |
[a] Pipette method |
| [ii] Yoder |
[b] Wet sieving |
| [iii] Munsell |
[c] Colour chart |
| [iv] Atterberg |
[d] Consistency limits |
The most widely used vegetation index is
Which one of the following is the active factor of soil formation?
The highest category of soil classification system is
The essentiality of Molybdenum was discovered by
Resource Conservation Technologies include: A) Zero or Minimum Tillage B) Direct Seeding C) Bed planting with residue mulch
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