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MEDIUM
ENGLISH
Agriculture
The seventieth element included in the list of essential nutrient element is:__________?
A
Vanadium
Option A
B
Cobalt
Option B
C
Sodium
Option C
D
Nickle
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
According to FCO, the maximum permissible total N content in the form of urea in DAP should be:_________?
A
2.50 %
Option A
B
3.50 %
Option B
C
4,50 %
Option C
D
5.5 %
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 one of the following techniques is used for assessing available P in soil and does not include growing plants:
A
E-Value
Option A
B
L-Value
Option B
C
a-Value
Option C
D
A-Value
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
Most abundant organic compound in nature?
A
Cellulose
Option A
B
Hemicellulose
Option B
C
Lignin
Option C
D
All of these
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
The term rhizosphere was coined by:___________?
A
Liebig
Option A
B
Baussingault
Option B
C
Hiltner
Option C
D
Winogrdsky
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
The nutrient element silicon (Si) is:_________?
A
Beneficial
Option A
B
Harmful
Option B
C
Both a and b
Option C
D
None of the above
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
Availability of Zn is higher to crops in:_________?
A
Acid soils
Option A
B
Sodic soils
Option B
C
Saline-sodic soils
Option C
D
Saline soils
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
Which of the following fertilizers show maximum residual acidity with the continuous soil application:
A
Urea
Option A
B
Ammonium nitrate
Option B
C
Ammonium sulphate
Option C
D
Calcium ammonium nitrate
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
Roots usually occupy :__________?
A
1% or less of soil volume
Option A
B
10% or less of soil volume
Option B
C
20% or less of soil volume
Option C
D
30% or less of soil volume
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
What is the concentration of pure water?
A
55.5 mol/L
Option A
B
45.5 mol/L
Option B
C
Both a and b
Option C
D
none of these
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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