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MEDIUM
ENGLISH
Agriculture
What is the pH of calcareous soils?
A
8.0-8.5
Option A
B
7.0-7.5
Option B
C
8.5-9.0
Option C
D
6.5-7.5
Option D
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MEDIUM
ENGLISH
Agriculture
The device used for the measurement of positive pressure potential of soil water is known as_________________?
A
Lysimeter
Option A
B
Tensiometer
Option B
C
Piezometer
Option C
D
Barometer
Option D
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MEDIUM
ENGLISH
Agriculture
Potassium (K) fixation capacity is maximum in:____________?
A
Vermiculite
Option A
B
Illite
Option B
C
Montmorillonitic
Option C
D
Amorphous clay
Option D
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MEDIUM
ENGLISH
Agriculture
Soil structure without aggregation is known as____________________?
A
Platy
Option A
B
Granular
Option B
C
Massive
Option C
D
Both b & c
Option D
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MEDIUM
ENGLISH
Agriculture
What is the formula of urea?
A
CO (NH2)2
Option A
B
NH2-CO-NH-CO-NH2
Option B
C
(NH4)2CO3
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
The water loss through transpiration from vegetative and evaporation from soil surface is known as__________________?
A
Evaptranspiration
Option A
B
Transpiration
Option B
C
Evaporation
Option C
D
Guttation
Option D
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MEDIUM
ENGLISH
Agriculture
Organic matter in Pakistani soils is generally:_________?
A
less than 1 %
Option A
B
less than 10 %
Option B
C
3 %
Option C
D
5%
Option D
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MEDIUM
ENGLISH
Agriculture
Perfect hardness of any mineral is determined by___________________?
A
Mho’s scale
Option A
B
pH scale
Option B
C
Foot scale
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 organic soils. These are also called:________?
A
Peat soil
Option A
B
solonchalk soil
Option B
C
Muck soil
Option C
D
Both a and c
Option D
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MEDIUM
ENGLISH
Agriculture
Primary air pollution is____________________?
A
SO
Option A
B
SO3
Option B
C
SO2
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
following are types of weathering:
A
Geo chemical weathering
Option A
B
Judo weathering
Option B
C
Pedo chemical weathering
Option C
D
both a and c
Option D
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MEDIUM
ENGLISH
Agriculture
Algal photosynthesis increases pH of water and releases___________________?
A
O2
Option A
B
CO2
Option B
C
SO3
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
Granite and Basalt are examples of:___________?
A
Sedimentary Rocks
Option A
B
Stratified rocks
Option B
C
Aqueous rocks
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The atmospheric layer lies closest to the earth surface is known as___________________?
A
Mesosphere
Option A
B
Thermosphere
Option B
C
Troposphere
Option C
D
Stratosphere
Option D
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MEDIUM
ENGLISH
Agriculture
Most common rocks, after exposed to weathering which cover about ______% 0f the earth:
A
metamorphic rocks
Option A
B
Sedimentary rocks
Option B
C
Igneous rocks
Option C
D
Shales
Option D
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MEDIUM
ENGLISH
Agriculture
Accumulation of soluble salts root zone is known as____________________?
A
Desodication
Option A
B
Sodication
Option B
C
Degradation
Option C
D
Salininzation
Option D
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MEDIUM
ENGLISH
Agriculture
AAS stands for:___________?
A
Atomic absorption spectrophotometer
Option A
B
Atom analyser solution
Option B
C
Asia agriculture society
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Na2CO3 salts is___________________?
A
Neutral
Option A
B
Alkaline
Option B
C
Acidic
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Soil particles as individuals such as sand and do not form aggregates. These are usually found in parent material or C horizon is:_________?
A
Massive
Option A
B
Single-grained
Option B
C
Aggregated
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Electrical conductivity of saturated paste is written as____________________?
A
ECP
Option A
B
ECe
Option B
C
ECs
Option C
D
Ecw
Option D
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