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Chapter 12

Chapter Test

Chapter Test
This Chapter Test is a comprehensive set of questions that uses multiple ways to assess your comprehension of the chapter material.

This activity contains 15 questions.

	The most conspicuous property of a soil is usually its   texture. structure. color. pH.

	These acidic soils are found in northern evergreen forests. Iron and aluminum oxides in the B horizon produce a strong red color.   alfisols ultisols oxisols spodosols aridisols

	These acidic soils are found in northern evergreen forests. They are created by   calcification. laterization. salinization. podzolization.

	A soil with a pH of ____ is most suitable for the great majority of plants and microrganisms.   3 5 7 9

	Which of the following pedogenic regimes is important in the tropical rain forest?   podzolization calcification laterization salinization

	Calcification is an important pedogenic regime in areas dominated by   tropical rain forests. short-grass prairies. coniferous forests. tundra.

	These are embyronic, weakly developed soils.   entisol oxisol aridisol vertisol

	The deepest soils are usually on hilly land.    True  False

	Most clay particles are colloidal in size.    True  False

	Regolith is a product of translocation.    True  False

	Temperature and wind are the climatic variables of greatest significance to soil formation.    True  False

	The A horizon is in the zone of _____ while the B horizon is in the zone of _______.   eluviation; illuviation illuviation; eluviation

	Match the characteristic to the feature. Using the pull-down menus, match each item in the left column to the corresponding item in the right column. E horizon B horizon O horizon C horizon solum 13.1 richest layer of organic matter. A B C D E 13.2 typically the finest textured horizon A B C D E 13.3 horizon formed mostly by eluviation A B C D E 13.4 unconsolidated parent material A B C D E 13.5 true soil A B C D E

	Identify the location of the soils below. For each item below, use the pull-down menu to select the letter that labels the correct part of the image. 14.1 likely location for mollisol A B C D E F 14.2 most likely location for aridisol A B C D E F 14.3 alfisol soil found here A B C D E F 14.4 gelisol soil A B C D E F 14.5 most likely location for oxisol soil A B C D E F 14.6 volcanic parent material A B C D E F

	Compare and contrast the four forms of soil moisture.   To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

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