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Soil Classification
Multiple Choice

This self-quiz consists of 10 multiple-choice questions. For each question, choose the one best answer. The questions attempt to exercise your reasoning as well as your memory. Those marked by a "+" are particularly challenging and may require you to understand and integrate concepts and information from several parts of the textbook. If you miss a few, please don't get discouraged. Study the indicated material in The Nature and Properties of Soils (13th Edition). Read each question carefully. If you choose a wrong answer, read the coaching comment, figure out why your choice was not the correct answer, and then try again. Good luck!

1 .       +A pedon is ___________. [Hint]


2 .       +Mollic, albic, argillic, and ochric are examples of _____________. [Hint]


3 .       +Letters such as Bt, Ck, Bs, Ap, and Eg designate ___________. [Hint]


4 .       +A soil with a profile that contains an Ap, an A2, an A3, an AB, a Bt, and a Bk most likely includes how many diagnostic horizons? [Hint]


5 .       +Which diagnostic horizon is NOT likely to be found in a profile comprised of an Ap, an A2, an A3, an AB, a Bt, a Bk, and a Ck? [Hint]


6 .       +The main feature that Soil Taxonomy shares with the scientific classification of plants and animals is that both classification systems ____________________. [Hint]


7 .       +Which list of soil orders proceeds from the least to the most highly developed and weathered profile? [Hint]


8 .       Which soil order is LEAST likely to occur where the natural vegetable is a forest? [Hint]


9 .       +Soils in which of the listed soil orders are LEAST likely to contain argillic horizons? [Hint]


10 .       +A soil with the taxonomic designation "vertic hapludalf" is ____________. [Hint]


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