Origin of Soil

The basic type of rocks are...

• •Chemical •Mechanical •Weathering

• •Magma •Sedimentary •Metamorphic

• •Igneous •Sedimentary •Metamorphism

• •Igneous •Sedimentary •Metamorphic

The rock formed by the solidification of molten magma is called...

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Mineral rock

Weathering is the process of breaking down rocks by mechanical and/or chemical processes into smaller pieces.

• True

• False

What is the type of rock that consists of the deposits of gravel, sand, silt, and clay formed by weathering?

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Mineral rock

The process of changing the composition and texture of rocks by heat and pressure without melting will create...

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Mineral rock

•Gneiss •Phyllite •Schist •Marble are a group of...

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Mineral rock

What is Specific gravity?

• ratio of the unit weight of water to the unit weight of given material

• weight of soil

• ratio of the unit weight of a given material to the unit weight of water

• weight of water

Particle-size distribution of soil can be determined by...

• Mineral Analysis

• Hydrometer Analysis

• Shaking Analysis

• Sieve Analysis

The major categories of particle shape are...

• Bulky particles

• Flaky particles

• Long particles

• Needle shaped particles

The most widely used clay minerals are...

• kaolinite

• silicate

• illite

• montmorillonite