Soil Structure & Systems - 无忧得胜-网上国际课程 (5edu.win)

1#

State which of the following is not a type of soil parti7a2pt s(n0n f1vcwd ea4icy.4cle.

A. Loam

B. Clay

C. Sand

D. Silt

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

List the soil particles 3 3,crnkc)8fs+ttmu v in order from smallest to largest.

A. Clay - silt - sand

B. Clay - sand - silt

C. Sand - silt - clay

D. Sand - clay - silt

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Identify the statement :7x 6-ajyyamz that best describes leaching.

A. Minerals move horizontally through the soil.

B. Leaf material decomposes and becomes part of the soil.

C. Organic material breaks down and returns minerals to the soil.

D. Water dissolves minerals and transfers them down.

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

List which of the following are compon ( qo.-:ey+qrgdnof* ments of soil.

I.
Eroded rock
II.
Remains of organisms
III.
Humus
IV.
Water

A. I and III only

B. II, III, and IV only

C. I, III, and IV only

D. I, II, III, and IV

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

State the term for a soil sample that shows the layers in the soil.

A. Soil horizon

B. Soil profile

C. Soil texture

D. Soil particles

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Tree roots on a rock faf/ .9bako6b.hy3 fcobce

Deduce which of the following processes is best shown in this image.

A. Biological weathering

B. Physical weathering

C. Chemical weathering

D. Options A and B both

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Weathering is a process where rock is broken down inqugu l rr jf qis.175a)ncpe k*u(9-(bto smaller particles. Identify which of the processeeclp ufr(75nu1sbqj *iur) qa(9.k -gs below are involved in soil formation.

I.
Biological weathering
II.
Chemical weathering
III.
Physical weathering

A. I, II and III

B. II and III only

C. I and II only

D. III only

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Typical soil pr6(iox6fr6 dbm5ftghd m x50bhx u9 /2xofile diagram

In the figure, identify what the top or “O” layer is often referred to as:

A. The Outer Layer

B. The Oxygen Layer

C. The Organic Layer

D. The Zero layer

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Soil texture trian2eg*c -l olu:sgle

Classify a soil sample that is made up of 60% clay, 20% silt and 20% sand.

A. Silty clay

B. Clay

C. Clay loam

D. Sandy clay

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Soil texture triangl/rt kut-2ttv 5,y wm8p 9hbgn9e9uru 0e

Use the figure to determine the type of soil that would be 15% clay, 5% sand, and 80% silt.

A. Silt

B. Clay

C. Silty clay loam

D. Silty loam

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Soil texture triango9-vthpn/ *c8pk:i 2;dwsnj xle

List the three soil types that we could have if our soil sample has 60% sand in it.

A. Type 1 is sandy loam,Type 2 is loam,Type 3 is sandy clay

B. Type 1 is sandy loam,Type 2 is loam,Type 3 is clay loam

C. Type 1 is sandy loam,Type 2 is sandy clay loam,Type 3 is sandy loam

D. Type 1 is sandy loam,Type 2 is clay loam,Type 3 is sandy silt loam

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Soil texture. m*0ey2mhm tj triangle

Classify a soil sample that is made up of 35% clay, 25% silt and 40% sand.

A. Sandy loam

B. Sandy clay loam

C. Clay loam

D. Loam

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Typical soil q-5papvx.cr;5 j*mbf 4q jc)fprofile diagram

Identify which of the following is not a correct match of an above layer and it’s general characteristics.

A. Layer A is Surface Soil: Layer of mineral soil with most organic matter accumulation and soil life.

B. Layer B is Zone of eluviation where mineral leaching is most pronounced

C. Layer C is partially altered parent material

D. Layer D is Bedrock: Mostly unweathered parent material

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14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Identify which of the following are examples of transfer processes involved in l;h izk8 s6n0-wj1td mthe n w8zh-d;j1it lm0s k6formation of soil.

I.
Leaching of minerals dissolved in water
II.
Biological mixing such as movement through earthworms
III.
The chemical weathering of bedrock into smaller fragments

A. I only

B. I and II only

C. II and III only

D. I, II and III

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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力

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