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Mic 310 : Soil Microbiology Question Paper

Mic 310 : Soil Microbiology

Course:Microbiology

Institution: University Of Kabianga question papers

Exam Year:2014

University of kabianga
university examinations
2014/2015 academic year
third year first semester end of semester examinations
bachelor of Science
in
microbiology
mic 310: soil microbiology
instructions to candidates: answer all questions in section A
section A

Q1. define the following terms as used in soil microbiology
a) soil 1mark
b) edaphon 1mark
c) humus 1mark
d) bioremediation 1mark

Q2. describe the following groups of soil
a) pod soils 2marks
b) bog soils 2marks

Q3. describe the importance of soil as a microbe ecosystem 4marks

Q4. soil bacteria can be divided into two groups with appropriate examples illustrate the two groups in brief 4marks

Q5. explain the effects of the following environmental factors to microbial populations in the soil
a) toxic compounds 2marks
b) oxidation 2marks

Q6. outline the process of humification as is assisted by soil microbes 4marks

Q7. describe the following mutual interaction between microorganisms in the soil
a) symbiosis 2marks
b) parasitism 2marks

Q8. state the importance of biotransformation in soil 2marks

section B 40marks choose any four questions

Q9. describe the classification of soil microorganisms under energy and nutrient categories 10marks

Q10. discuss the two symbiosis of fungi and plants in detail
10marks

Q11. using appropriate illustrations trace the sequence of events in the nitrogen cycle and list the names of microbes that play a key role in this cycle
10marks

Q12. described bioextraction as used in biodegradation of environmental pollutants
10marks

Q13. list any four edaphic factors and explain how the listed factor affect microbial populations in soil
10marks

Mic 310 : Soil Microbiology Question Paper

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