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MEDIUM
ENGLISH
Agriculture
The indicator used for estimation of the soil available boron is_______?
A
Mixed indicator
Option A
B
Phenolpthalein
Option B
C
Diphenyle
Option C
D
Azomethine-H
Option D
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MEDIUM
ENGLISH
Agriculture
“Wash-in” takes place in which horizon?
A
E
Option A
B
O
Option B
C
B
Option C
D
A
Option D
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MEDIUM
ENGLISH
Agriculture
The first mechanism to start in the wind erosion is_________?
A
Creep
Option A
B
Saltation
Option B
C
Siltation
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
One of the following is not a form of water erosion:
A
Saltation
Option A
B
Rainsplash erosion
Option B
C
Sheet erosion
Option C
D
Rill erosion
Option D
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MEDIUM
ENGLISH
Agriculture
What is the optimum temperature and pH for nitrifying bacteria ?
A
30-35 c, pH 5.5
Option A
B
>35 c, pH less than 5
Option B
C
25-40 c, pH 8-8.5
Option C
D
All of thses
Option D
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MEDIUM
ENGLISH
Agriculture
Soil conservation is performed by:_________?
A
Cutting trees
Option A
B
Excessive grazing
Option B
C
By plantation
Option C
D
By heavy irrigation
Option D
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MEDIUM
ENGLISH
Agriculture
If a manure pile is exposed to the rain, what nutrient will be lost the most ?
A
Ca
Option A
B
Mg
Option B
C
S
Option C
D
N
Option D
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MEDIUM
ENGLISH
Agriculture
The study of relationship between soil properties & plant production is known as:_________?
A
Pedology
Option A
B
Soil Science
Option B
C
Agronomy
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Browning disease of rice is a_________?
A
Bacterial & fungal disease
Option A
B
Physiological disease
Option B
C
Viral disease
Option C
D
The above statement is wrong
Option D
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MEDIUM
ENGLISH
Agriculture
Which type of structure is dominant in grasslands:
A
Prismatic & Columnar
Option A
B
Spheroidal or Sphere-like
Option B
C
Angular blocky Sub-angular blocky
Option C
D
Platy & Luminar
Option D
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MEDIUM
ENGLISH
Agriculture
Loss of nitrogen in the form of NH3 in alkaline medium is known as_________?
A
Denitrification
Option A
B
Leaching
Option B
C
Volatilization
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Soil order Vertisol is related to:_________?
A
Black soils
Option A
B
River soils
Option B
C
Marine deposits
Option C
D
Both B & c
Option D
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MEDIUM
ENGLISH
Agriculture
Organisms satisfying their carbon requirement as Co2 from atmosphere and energy requirement from oxidation of simple inorganic compound are called as_________?
A
Chemoautotroph
Option A
B
Photoautotroph
Option B
C
Saprophyte
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
The clay fraction of the soil contains particles less than 0.002 mm. Particles <0.001 mm size:
A
Soil Silt
Option A
B
Soil colloids
Option B
C
Soil loam
Option C
D
Soil sand
Option D
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MEDIUM
ENGLISH
Agriculture
1 meq of HCl is equal to_________?
A
1.4 mg of N
Option A
B
14 mg of N
Option B
C
0.14 mg of N
Option C
D
140 mg of N
Option D
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MEDIUM
ENGLISH
Agriculture
Which is the correct sequence of soil erosion by water:
A
Rill-Sheet-Gully
Option A
B
Gully-Sheet-Rill
Option B
C
Sheet-Rill-Gully
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
What kind of nitrogenous (N) fertilizers should not be used for flooded soil:
A
Ammonical
Option A
B
Nitrate
Option B
C
Ammonical-nitrate
Option C
D
Both B & C
Option D
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MEDIUM
ENGLISH
Agriculture
Which of the following nutrient play the most effective role in controlling rate of transpiration:
A
Potassium
Option A
B
Zinc
Option B
C
Phosphorus
Option C
D
Mg
Option D
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MEDIUM
ENGLISH
Agriculture
The credit for identifying the essentality of nitrogen to plants goes to________?
A
Dr.Muhammad Sharif
Option A
B
Theodore-saussure
Option B
C
Shafiq Baloch at.el
Option C
D
Sach and knoop
Option D
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MEDIUM
ENGLISH
Agriculture
Field Capacity is a point at which?
A
All the macro & micropores in the soil are filled with water
Option A
B
All the macropores filled with water & the micropores filled with air
Option B
C
All the macropores filled with air & the micropores filled with water
Option C
D
All of the above wrong
Option D
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