Soil Science

Soil Science
Perfect hardness of any mineral is determined by _______?
Mho’s scale
Foot scale
pH scale
None of these
Author: rikazzz Comment
Soil Science
When two or more functional groups of single ligand are coordinated to metal cation the complex is termed as _______?
Chelate
Complex ion
Solution complex
All the above
Author: rikazzz Comment
Soil Science
Color off basic matic rock is _______?
Yellow
Dark colored
Light green
Blue
Author: rikazzz Comment
Soil Science
Which instrument is used for determining soil texture _______?
Thermometer
Hydrometer
Lysimeter
All the above
Author: rikazzz Comment
Soil Science
DAP fertilizer available in Pakistan contains _______?
18% N and 46% P2O5
100%P2O3
46%N and 18%P2O3
50%P2O3
Author: rikazzz Comment
Soil Science
The process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as _______?
Eutrophication
Denitrification
Nitrification
Sedimentation
Author: rikazzz Comment
Soil Science
Which one of the following is physical property of soil _______?
Oxidation
Hydration
Reduction
None of these
Author: rikazzz Comment
Soil Science
The water loss through transpiration from vegetative and evaporation from soil surface is known as _______?
Evaptranspiration
Evaporation
Transpiration
Guttation
Author: rikazzz Comment
Soil Science
Which silica mineral is present in soil in abundant quantity _______?
Quartz
Gypsum
Smectite
All the above
Author: rikazzz Comment
Soil Science
Metamorphic rocks are formed from _______?
Sedimentary rocks
Igneous rocks
Both A and B
Cleavage
Author: rikazzz Comment

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