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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
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
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
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
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
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
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
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
Examples of prismatic structures are found in the _______________ mapped in KPK and the northern part of Punjab.
A
Peshawar series
Option A
B
Gujranwala series
Option B
C
wazirabad & pindorian series
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
About 40% of the total area of Pakistan is affected by wind erosion. this includes:_________?
A
Thal, Cholistan
Option A
B
Parts of Mianwali and D.G
Option B
C
Tharparkar & vast areas of Balochistan
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
According to one estimate, wind and water erosion over ______ % of the Pakistan’s total area?
A
46%
Option A
B
36%
Option B
C
76%
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Most widely spread mineral in the world is________________?
A
Iron
Option A
B
Kaolinite
Option B
C
Salt
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Soil particles having diameter greater than 2 mm are called___________________?
A
Clay
Option A
B
Silt
Option B
C
Sand
Option C
D
Gravel
Option D
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MEDIUM
ENGLISH
Agriculture
Which instrument is used for determining soil texture___________________?
A
Lysimeter
Option A
B
Hydrometer
Option B
C
Thermometer
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
Physical condition of soil for plant growth is called___________________?
A
Granulation
Option A
B
Tillage
Option B
C
Tilth
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
Pneumatic potential is due to____________________?
A
Water
Option A
B
Petrol
Option B
C
Soil
Option C
D
Gas
Option D
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MEDIUM
ENGLISH
Agriculture
Product of microorganism that appears to chelate calcium is called_____________________?
A
Pyruive acid
Option A
B
2-ketoghconic acid
Option B
C
Carbon dioxide
Option C
D
Phospheric acid
Option D
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MEDIUM
ENGLISH
Agriculture
Which is passive factor of weathering ?
A
Climate
Option A
B
Parent material
Option B
C
Organisms
Option C
D
Temperature
Option D
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MEDIUM
ENGLISH
Agriculture
Mollic refers to____________________?
A
B-horizon
Option A
B
C-horizon
Option B
C
U-horizon
Option C
D
Surface horizon
Option D
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MEDIUM
ENGLISH
Agriculture
Kaolinite can be identified by______________________?
A
Spectrophotometer
Option A
B
Boiling
Option B
C
X-ray diffraction
Option C
D
Breaking
Option D
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