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Soil Science
Examples of micro biota are _______?
Virus
Protozoa
Both A and B
None of these
Author:
rikazzz
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Soil Science
Part of soil which is in contact with root surface is called _______?
Rhizoshpere
Atmoshpere
Lithoshpere
None of these
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rikazzz
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Soil Science
Thickness of Dikes ranges from _______?
2-10 m
Few cm 10 cm
Few m 10 m
10-12 cm
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rikazzz
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Soil Science
Primary air pollution is _______?
SO3
SO
SO2
None of these
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rikazzz
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Soil Science
In flood rice, snail feed on bacteria called _______?
Limnea
Helix
Azolla
None of these
Author:
rikazzz
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Soil Science
Lithosphere refers to _______?
Zone of ozone
Zone of earth crust
Zone of atmosphere
Zone of water
Author:
rikazzz
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Soil Science
Mineral soil contain organic carbon _______?
5%
More than 4%
Less than 20%
More than 10%
Author:
rikazzz
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Soil Science
Mollic refers to _______?
C-horizon
B-horizon
U-horizon
Surface horizon
Author:
rikazzz
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Soil Science
[(NH4)2SO4FeSO66H2O] is the formula of _______?
Sodium ammonium sulphate
Ammonium sulphate Iron sulphate
Ferrous Ammonium sulphate
None of these
Author:
rikazzz
Comment
Soil Science
The kaolininte is a layer silicate clay mineral, it is 1:1 type of mineral with _______?
3-15 meq/100g CEC
50 meq/100g CEC
40 meq/100g CEC
None of these
Author:
rikazzz
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