Question : 11.Which of the following a residual soil? a.one developed river gravel b.one : 1331240

11.Which of the following is a residual soil?

a.one developed on river gravel

b.one developed on granite

c.one developed on sand dunes

d.one developed on volcanic ash

e.one developed on glacial dust

12.Which of the following is NOT a type or agent of physical weathering?

a.frost wedging

b.fire

c.plant roots

d.salt crystal growth

e.spheroidal weathering

13.Which term listed below is NOT one of the major soil orders?

a.perisols

b.aridisols

c.oxisols

d.vertisols

e.histosols

14.Which item below refers to the uppermost of the permafrost zones?

a.talik

b.permafrost

c.permafrost table

d.active layer

e.laterite

15.In the Arctic, what is the top of a permanently frozen layer called?

a.talik

b.permafrost

c.permafrost table

d.active layer

e.laterite

16.Judge the following sentence according to the criteria given below: Frost wedging is not a major concern in tropical regions BECAUSE the most important chemical weathering reactions are solution, oxidation, hydration, and hydrolysis.

a.The assertion and the reason are both correct, and the reason is valid.

b.The assertion and the reason are both correct, but the reason is invalid.

c.The assertion is correct, but the reason is incorrect.

d.The assertion is incorrect, but the reason is correct.

e.Both the assertion and the reason are incorrect.

17.Who views soil as the loose material at Earth’s surface that can be easily moved and built upon?

a.engineer

b.farmer

c.geologist

d.hydrologist

e.pedologist

18.Judge the following sentence according to the criteria given below: Clay minerals are the most important minerals in soils BECAUSE clays adsorb a great deal of water and plant nutrients due to a high surface area to volume ratio.

a.The assertion and the reason are both correct, and the reason is valid.

b.The assertion and the reason are both correct, but the reason is invalid.

c.The assertion is correct, but the reason is incorrect.

d.The assertion is incorrect, but the reason is correct.

e.Both the assertion and the reason are incorrect.

19.What would you call a soil with 30% clay, 40% silt, and 30% sand?

a.loam

b.clay loam

c.silt loam

d.sandy loam

e.loamy sand

20.A student was asked the following question: What are the environmental factors that determine the development of soils, and which are the most important regarding the rate of development? As an answer, the student wrote the following, “The environmental factors that determine the development of soils are climate, parent material, relief of the land, and time. Climate and parent material are the most important factors for the rate of soil development.” How would you judge this student’s answer?

a.EXCELLENT (The response answers both parts of the question, and all statements are complete and correct.)

b.VERY GOOD (The response answers both parts of the question, all statements are correct, but one part is not answered completely.)

c.GOOD (The response only answers one part of the question, all statements are correct, but the other part of the question is not answered.)

d.MEDIOCRE (One part of the question is answered completely and correctly, but the other part is answered incorrectly.)

e.UNACCEPTABLE (The response does not correctly answer either part of the question.)