Soil Properties MCQ Exam

Which soil separate has the highest surface area per gram?

• Sand

• Silt

• Clay

• Gravel

The sticky and plastic property of soil is primarily due to:

• Sand

• Silt

• Clay

• Organic matter

In the Munsell Color System, the term "hue" refers to:

• Lightness or darkness

• Purity or intensity of color

• Dominant spectral color

• Soil drainage condition

A soil with a notation of 5YR 3/4 has "3" representing:

• Hue

• Value

• Chroma

• Intensity

Which soil color generally indicates high organic matter content?

• Gray

• Red

• Dark brown to black

• Yellow

A poorly-drained soil commonly exhibits:

• Reddish color

• Black color

• Gray mottles

• Yellowish color

Which structural type is best for favorable plant growth?

• Massive

• Platy

• Granular

• Prismatic

Which soil structure is cube-like with sharp corners?

• Angular blocky

• Subangular blocky

• Prismatic

• Columnar

Columnar soil structure is similar to prismatic except that it has:

• Flat tops

• Rounded tops

• No distinct shape

• Single grains

The soil structure commonly seen in sandy soils is:

• Massive

• Single grain

• Platy

• Granular