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Ass 101:Land-Forms And Soil Formation Question Paper

Ass 101:Land-Forms And Soil Formation

Course:Bachelor Of Science In Agriculture

Institution: University Of Nairobi question papers

Exam Year:2015

ANSWER ALL QUESTIONS

1.State the ways in which topography would modify soil profile (4 marks)

2.Explain the most effective chemical processes of soil formation (6 marks)

3.State the products of chemical soil formation processes (3 marks)

4.State the conditions under which horizon A would tend to be horizon B (3 marks)

5.Explain how petro-plinthite is formed (4 marks)

6.List and explain any soil characteristics which help in soil profile description (10 marks)

7.Write notes on the following:
i)Igneous rocks (5 marks)
ii)Metamorphic rocks (5 marks)
iii)Sedimentary rocks (5 marks)
8.a)Define the term mass wasting (2 marks)
b)Name the factors considered in classification of mass wasting (3 marks)
c)Explain 5 controls and triggers of mass wasting (10 marks)
d)Differentiate between a flow and a slide (10 marks)
e)Describe the importance of water in mass wasting (5 marks)

9.a)Discuss human being as a soil forming factor (10 marks)
b)State the ways in which topography would modify soil profile (5 marks)
c)Discuss the formation of Nitisols soils (10 marks)

Ass 101:Land-Forms And Soil Formation Question Paper

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