GEO-QUIZ 1

This color of soil indicates good drainage and presence of oxidized iron

• Graying Blue

• Dark Brown

• Yellow

• Red

Soil Consistency can be determined by squeezing the aggregates by the thumb and forefinger

• TRUE

• FALSE

The following are factors that influences the soil structure except

• Physical activities of roots and animals

• Modified effects of absorbed cautions

• Soil tillage

• engineered compaction

It indicates the mineral source of the soil

• Bulk density

• Porosity

• Soil Color

• Particle Density

The soil color are typically described using the (BLANK) soil color chart

(a)  

Inter-Pedal pore space occurs in between individual soil particles

• TRUE

• FALSE

A soil sample was collected using a 30cm cylinder with a diameter of 15cm. if the oven weight of soil is 8.23 kilograms. which of the following gives the bulk density?

• 2.24 g/cc

• 1.55 g/cc

• 3.29 g/cc

• 0.56 g/cc

Fine soil pores gasses in soil.

• TRUE

• FALSE

a 10cm by 10cm by 8cm soil sample has only a total of 67% soil solid and weighs 1.56 kg after oven-drying. Which of the following gives the particle density of the sample?

• 1.95 g/cc

• 4.23 g/cc

• 2.91 g/cc

• 3.34 g/cc

• none of the above

What is the percent porosity of a soil with particle density of 2.89 g/cc and a bulk density of 1.77 g/cc.

• 61.25%

• 54.33%

• 67.43%

• 38.75%