Afs2201:Microbiology Question Paper

Afs2201:Microbiology

Course:Bachelor Of Science In Public Health

Institution: Meru University Of Science And Technology question papers

Exam Year:2011

SECTION A
QUESTION ONE (30 MARKS)
a) Briefly describe the contributions of Louis Pasteur to microbiology. (3 Marks) b) List down five basic groups of microbes. (3 Marks) c) Give three differences between archae and Bacteria. (3 Marks)
QUESTION TWO
a) Outline Koch’s postulates (basic logic proof that disease is caused by a microbe). (4 Marks) b) Define the terms below as used in microbial growth. Use diagrams to enhance the explanation. i. Binary fission. (1 Mark) ii. Exponential increase. (1 Mark) iii. Spontaneous generation. (1 Mark) c) Discuss living and non – living characteristics of viruses. (3 Marks)
QUESTION THREE
d) Differentiate between facilitated diffusion and active transport. (4 Marks) e) Using diagrams, explain four types of flagellar arrangements in bacteria. (2 Marks) f) Differentiate between plasmids and transposons. (2 Marks) g) Give two functions of bacteria pili. (2 Marks)
2
SECTION B
QUESTION FOUR (20 MARKS)
Differentiate between prokaryotic and eukaryotic cells. (20 Marks)
QUESTION FIVE (20 MARKS)
Describe physical and chemical methods of microbial control. (20 Marks)
QUESTION SIX (20 MARKS)
Discuss the applications of bacteria to enhance the quality of life. (20 Marks)

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Afs2201:Microbiology Question Paper

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