Chapter 2 Quiz

Alluvial parent materials are those that have been laid down in former lake bottoms

False

Iron and aluminum oxides are major components of igneous rocks.

False

Secondary minerals are recrystallized products of the chemical breakdown and/or alteration of primary minerals

True

Residual parent materials have generally been subjected to weathering for a longer period of time than have lacustrine or alluvial parent materials

True

Which of the following statements is NOT correct? A. Tropical forests protect the soil from excessive weathering B. Coniferous forests are found mostly in cool humid areas C. the type of native vegetation is controlled primarily by climate D. grasslands are found in semi-arid and sub-humid areas E. dense forests are found to have prominent O horizons

A. tropical forests protect the soil from excessive weathering

Which of the following is NOT considered one of the five major factors influencing soil formation? A. topography B. native parent materials C. living organisms D. valence state E. climate

D. valence state

A soil developed in transported parent materials will likely have properties related to the properties of the rock below the C horizon

False

The C horizons are generally more completely weathered than the other horizons

False

Granite is an example of a(n) ___.

Igneous rock

Eluviation of clay, iron, and other materials is the principle process responsible for the formation of an E horizon

True