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MEDIUM
ENGLISH
Agriculture
Which of the following statement is wrong regarding, Soil ____________?
A
Regulates water supply & recycles waste materials
Option A
B
Medium for plant growth & Habitat for organisms
Option B
C
Engineering medium & modifies the atmosphere
Option C
D
Dirt which is threat to all living life & crop production
Option D
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MEDIUM
ENGLISH
Agriculture
TSP contains____________________?
A
14%
Option A
B
46%P
Option B
C
40%P
Option C
D
50%P
Option D
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MEDIUM
ENGLISH
Agriculture
The mineral component of soil consists of_________?
A
Air
Option A
B
Water
Option B
C
both A and B
Option C
D
none of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Which silica mineral is present in soil in abundant quantity____________________?
A
Quartz
Option A
B
Smectite
Option B
C
Gypsum
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
Organic matter influences:_________?
A
Water holding capacity
Option A
B
Cation exchange capacity
Option B
C
Aggregate stability
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The exact formula for sodium hexametaphosphate is___________________?
A
[(NaPO6)13]
Option A
B
[(NaPO3)13]
Option B
C
[(NaPO2)6]
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Soils that have more than 20% organic matter are termed as:__________?
A
Organic soils
Option A
B
Peat soils
Option B
C
Muck soils
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Agriculture
The chemical formula for Ammonium acctatc is_____________________?
A
NH3OAC
Option A
B
NH4OAC
Option B
C
NH4AOC
Option C
D
Both b & c
Option D
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MEDIUM
ENGLISH
Agriculture
Combination of soil genesis and classification is collectively called_________?
A
Edaphology
Option A
B
Pedology
Option B
C
Poly pedology
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Boron concentration is irrigation water is considered safe only upto_________________?
A
0.7 ppm
Option A
B
1.5 ppm
Option B
C
2 ppm
Option C
D
3 ppm
Option D
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MEDIUM
ENGLISH
Agriculture
Weathering is the natural process of__________?
A
Disintegration
Option A
B
Sedimentation
Option B
C
Decomposition
Option C
D
both A & C
Option D
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MEDIUM
ENGLISH
Agriculture
Organic P content in soil, by ignition method is estimated by igniting the soil at ____________________?
A
250ºC
Option A
B
1000ºC
Option B
C
550ºC
Option C
D
1250ºC
Option D
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MEDIUM
ENGLISH
Agriculture
Wind transported materials if it is silt dominated is__________?
A
Alluvial
Option A
B
Colluvial
Option B
C
Eolian
Option C
D
Loess
Option D
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MEDIUM
ENGLISH
Agriculture
While diluting acid always add_____________________?
A
Acid to water
Option A
B
Water to acid
Option B
C
Both a & b
Option C
D
none
Option D
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MEDIUM
ENGLISH
Agriculture
In Pakistan, Indus plains are formed from ___________ parent material which was transported by Indus river and its tributaries from Himalayas?
A
Till
Option A
B
Moraine
Option B
C
Colluvial
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Biochemical reduction of nitrate to nitrite or gaseous nitrogen is called ________________________?
A
Reduction
Option A
B
Oxidation
Option B
C
Denitrification
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Peat soils are not present in Pakistan because these are formed in___________?
A
Cool climate
Option A
B
Acidic conditions
Option B
C
both A & B
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
A treeless artic plain is called as___________________?
A
Glaciers
Option A
B
Barren land
Option B
C
Tundra
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
A group of soils with same parent material but located at different positions of slope?
A
Cateena
Option A
B
Chronosequence
Option B
C
Catena
Option C
D
Biosequence
Option D
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MEDIUM
ENGLISH
Agriculture
Nitrogen gases are involved in_____________________?
A
Sleepy feelings
Option A
B
Hair disease
Option B
C
Mental disease
Option C
D
Acid rains
Option D
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