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MEDIUM
ENGLISH
Agriculture
Addition of sodium hexametaphosphate in soil for determination of soil texture causes__________________?
A
Agregation of soil particles
Option A
B
Cementing of soil particles
Option B
C
Dispersion of soil particles
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
The process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as_____________________?
A
Eutrophication
Option A
B
Nitrification
Option B
C
Denitrification
Option C
D
Sedimentation
Option D
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MEDIUM
ENGLISH
Agriculture
Chromium (Cr) is a____________________?
A
Macro element
Option A
B
Secondary element
Option B
C
Heavy metal
Option C
D
Free element
Option D
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MEDIUM
ENGLISH
Agriculture
Percentage of N in Ammonium sulphate fertilizer is___________________?
A
23
Option A
B
35
Option B
C
45
Option C
D
21
Option D
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MEDIUM
ENGLISH
Agriculture
The available form of sulphur for plant is___________________?
A
S2
Option A
B
SO-2
Option B
C
SO3
Option C
D
SO2
Option D
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MEDIUM
ENGLISH
Agriculture
The plant in which CO2 fixation is solely via the Calvin cycle is_____________________?
A
C
Option A
B
CAB
Option B
C
C
Option C
D
CAM
Option D
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MEDIUM
ENGLISH
Agriculture
Gravimetric water is present in__________________?
A
Microspores
Option A
B
Macrospores
Option B
C
Mesopores
Option C
D
Nanopores
Option D
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MEDIUM
ENGLISH
Agriculture
Sugar cane is_____________________?
A
C3 plant
Option A
B
C4 plant
Option B
C
C2 plant
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The lower limit of available water is called ____________________?
A
Field capacity
Option A
B
Wilting point
Option B
C
Available water
Option C
D
Hygroscopic water
Option D
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MEDIUM
ENGLISH
Agriculture
[(NH4)2SO4FeSO66H2O] is the formula of _______________________?
A
Ammonium sulphate Iron sulphate
Option A
B
Sodium ammonium sulphate
Option B
C
Ferrous Ammonium sulphate
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
C12H12N-NaO8S2 is the chemical formula of ____________________?
A
Activated charcoal
Option A
B
Azomethine H
Option B
C
Carbonated sodium sulphate
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The formula used for calculating RSC is _____________________?
A
RSC=(CO32 + HCO2) (Na + K + Ca2 + Mg2)
Option A
B
RSC=(CO32 + HCO2) ( Ca2 + Mg2)
Option B
C
None of the above
Option C
D
non of these
Option D
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MEDIUM
ENGLISH
Agriculture
While handing concentrated acids. bases or other hazardous chemicals use_________________?
A
Table
Option A
B
Fume hoods
Option B
C
Both a & b
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
An expression of the intensity of the basic or a acidic condition of a liquid or of soil is called_____________________?
A
ESR
Option A
B
SAR
Option B
C
EC
Option C
D
pH
Option D
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MEDIUM
ENGLISH
Agriculture
The conductivity of a saturation extract is greater 4 dsm-1 an exchangeable sodium percentage (ESP) of less than 15 and the pH is usually less than 8.5 is called as__________________?
A
Saline soils
Option A
B
Saline-sodic soils
Option B
C
Sodic soils
Option C
D
Neutral soils
Option D
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MEDIUM
ENGLISH
Agriculture
Chitin and steroids are_____________________?
A
Lipids
Option A
B
Carbohydrates
Option B
C
Proteins
Option C
D
Waxes
Option D
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MEDIUM
ENGLISH
Agriculture
Secondary air pollution is _____________________?
A
HNO3
Option A
B
CO3
Option B
C
CO2
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
Permanente wilting point of clayey soils is not less than____________________?
A
20%
Option A
B
10%
Option B
C
5%
Option C
D
15%
Option D
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MEDIUM
ENGLISH
Agriculture
Urea in manufactured form gases________________________?
A
NH3
Option A
B
NH48CO2
Option B
C
NH3 & CH4
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
Acid soils of the world’s arable comprise up to_____________________?
A
40%
Option A
B
30%
Option B
C
58%
Option C
D
20%
Option D
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