6
What is the term used to describe the process of using plants to remove pollutants from soil and water?
Pedology
7
Following materials can be used as ammenments in calcareous soils to reduce the calcareousness
(A) . Alluminium sulphate
(B) . Ammonium polysulfide
(C) . Elemental sulphur
(D) . Sulphuric acid
Choose the correct answer from the options given below:
8
Read the following statements
(A) . Saline soils were formerly called white alkali because of the deposits of salts on the surface following evaporation
(B) . Saline soils have an electrical conductivity of the saturated extract EC > 4 dS mt
(C) . Saline soils have pH > 8.5
(D) . They have exchangeable sodium percentage (ESP) <15%.
Choose the correct answer from the options given below:
9
Sensitive crops like vegetables, fruits (citrus) and horticultural crops can tolerate biuret content in urea up to
10
The primary processes involved in salt accumulation in soils are
(A) . Weathering of rocks and parent materials.
(B) . Low water table with less evaporative demand
(C) . Excessive application of salts in fertilizer, animal manure, or compost.
(D) . Poor quality (high salt) irrigation water; irrigation mismanagement, with poor
internal soil drainage
Choose the correct answer from the options given below:
General Agriculture
6 टॉपिक्सPedology
2 टॉपिक्सSoil Physics
3 टॉपिक्सSoil Chemistry
4 टॉपिक्सSoil Fertility
4 टॉपिक्सSoil Microbiology
4 टॉपिक्स
Official PYQ Papers
Previous Year Papers of Soil Science
Practice official shift-wise question papers with answer keys and detailed explanations on the actual exam pattern.
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Previous Papers
2024
29-06-2024