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MEDIUM
ENGLISH
Agriculture
The time for which water and ion remains in vicinity is called_____________________?
A
Primary hydration
Option A
B
ppm
Option B
C
Normality
Option C
D
Residence time
Option D
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MEDIUM
ENGLISH
Agriculture
Common soils found in Pakistan are___________________?
A
Arid soils
Option A
B
Inceptisols
Option B
C
Entisols
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
Examples of micro biota are____________________?
A
Protozoa
Option A
B
Virus
Option B
C
Both a & b
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Which bacteria causes fermentation__________________?
A
Azotobacter
Option A
B
Bacillus
Option B
C
Pseudomonas
Option C
D
Corey
Option D
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MEDIUM
ENGLISH
Agriculture
Widely spread saprophytic fungi is________________________?
A
Basidiomycetes
Option A
B
Ascomycetes
Option B
C
Endospore
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Which compound decay slowly______________________?
A
Amino acid
Option A
B
Lignin
Option B
C
fats
Option C
D
Cellulose
Option D
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MEDIUM
ENGLISH
Agriculture
Who gave the defination of humic acid ?
A
Gapon
Option A
B
Felbeek
Option B
C
Neir
Option C
D
Liekig
Option D
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MEDIUM
ENGLISH
Agriculture
Extraction of humic substance can be done by______________________?
A
NaOH
Option A
B
NH4Cl
Option B
C
NH4OH
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The complex fertilizer Nitrophos available in the market contains_____________________?
A
25%N & 23% P2O3
Option A
B
46%N & 23% P2O3
Option B
C
23%N & 23% P2O3
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Radiation can be detected by the blankening of photographic film or by using___________________?
A
Ratio autoanalyser
Option A
B
GM counter
Option B
C
Neutron probe
Option C
D
Dosimeter
Option D
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MEDIUM
ENGLISH
Agriculture
Nitrification is the microbial conversion of____________________?
A
NH nitrogen the NO3 nitrogen in soil
Option A
B
NO2 to NO3 nitrogen in soil
Option B
C
NO3 nitrogen to NH4 + in soil
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The exact chemical formula of DAP fertilizer is___________________?
A
(NH2) HPO4
Option A
B
NH4H2PO4
Option B
C
NH4H2PO4
Option C
D
Both a & c
Option D
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MEDIUM
ENGLISH
Agriculture
According to WAPDA, the ECe of the salt free soil should remain__________________?
A
< 4 dsm-1
Option A
B
Equal to 4 dsm-1
Option B
C
4-8 dsm-1
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The EC: SAR and RSC values suggested by WAPDA for 3rd class irrigation water(C,S,R,) are____________________?
A
ECi:<1.5, SAR < 10 & RSC< 2.5
Option A
B
ECi:>1.5, SAR > 10 & RSC> 2.5
Option B
C
ECi:>1.5, SAR 2.5
Option C
D
Both a & b
Option D
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MEDIUM
ENGLISH
Agriculture
The exact formula for calculating the base saturation percentage is_____________________?
A
Bas saturation percentage = CA+Mg+Na / CEC x 100
Option A
B
Bas saturation percentage = /CEC / CA+Mg+Na x 100
Option B
C
Bas saturation percentage = /CEC / CA+Mg x 100
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The toxicity level of Zn (mg/kg) in plants suggested by some workers is___________________?
A
> 50 mg kg-1
Option A
B
> 10 mg-1
Option B
C
> 400 mg kg-1
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
The chemical formula of Dolomite is________________?
A
CaMg (CO3)2
Option A
B
MgCO3
Option B
C
CaCO3
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Auxins promote___________________?
A
Cell elongation
Option A
B
Cell division
Option B
C
Both a & b
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Deep percolation from a soil profile is generally measured by a device known as_____________________?
A
Hydrometer
Option A
B
Lysimeter
Option B
C
Thermometer
Option C
D
Tensiometer
Option D
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MEDIUM
ENGLISH
Agriculture
The particlesw density of a mineral soil is about____________________?
A
2750 Kg m-3
Option A
B
2550 Kg m-3
Option B
C
2650 Kg m-3
Option C
D
None of the above
Option D
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