1. 5. Plants depend on the water stored in the
soil
a. the upper limit of available
water is saturated moisture
content
b. the upper limit of available
water is hygroscopic point
c. the upper limit of available
water is field capacity
d. All of the above
2. 6. Soils with high buffering capacity need
a. More lime to increase pH
b. Less lime to increase pH
c. No lime to change pH
d. Less lime to decrease pH
3. 7. Rocks that were formed from the weathering of
exposed at the surface of the earth
a. Sedimentary rocks
b. Metamorphic rocks
c. Igneous rocks
d. Volcanic rocks
4. 8. A recreated soil profile mounted for
observation
a. Regolith
b. Pedolith
c. Litolith
d. Monolith
A soil monolith represents a vertical
slice of soil in its natural position.
It is used to display soils and their
properties for a variety of
educational purposes.
5. 9. The ability of the soil to absorb and
exchange negatively charged ions
a. Cation exchange capacity
b. Exchangeable sodium percentage
c. Anion exchange capacity
d. Sodium exchange capacity
