A. Course-grained like
B. Fine grained
C. Large-Glassy
D. Phenocryst
Soil Science
Thickness of Dikes ranges from……………….?
A. 2-10 m
B. Few m 10 m
C. Few cm 10 cm
D. 10-12 cm
Rocks having coarse bubble holes are called…………………..?
A. Purr ice
B. Mafic
C. Scoria
D. Felsic
Tuff is………………?
A. Soil
B. Water
C. Volcanic ash
D. Consolidated ash
Attraction between similar particles is called………………..?
A. Adhesion
B. Cohesion
C. Vander wall
D. All the above
Process of mixing soil by fauna and flora is called………………?
A. Lessivage
B. Pedoturbation
C. Leaching
D. Enrichment
Most widely spread mineral in the world is…………….?
A. Iron
B. Kaolinite
C. Salt
D. None of the above
Soil particles having diameter greater than 2 mm are called……………….?
A. Clay
B. Silt
C. Sand
D. Gravel
Which instrument is used for determining soil texture……………….?
A. Lysimeter
B. Hydrometer
C. Thermometer
D. All the above
Physical condition of soil for plant growth is called……………….?
A. Granulation
B. Tillage
C. Tilth
D. All the above