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Bota 131:General Microbiology Question Paper

Bota 131:General Microbiology

Course:Animal Science

Institution: Chuka University question papers

Exam Year:2011

INSTRUCTIONS:
Answer all questions in Section A and any Two in Section B.
SECTION A (30 MARKS) Answer all questions in this section.
1. (a) Distinguish between Prokaryotic and Eukaryotic cell types. [3 marks]
(b) Compare and contrast spores in bacteria and fungi. [2 marks]
2. (a) State the function of the following structures
(i) Bacterial capsule [1 mark]
(ii) Viral spikes [1 mark]
(b) Describe briefly the functional types of hyphae. [3 marks]
3. Briefly explain the economic importance of algae. [5 marks]
4. Outline five characteristics of Protozoa. [5 marks]
2
5. Describe the steps in viral replication. [5 marks]
6. (a) Distinguish between;
(i) Chemotrophs and Phototrophs [1 mark]
(ii) Sterilization and disinfection [1 mark]
(b) Give three main chemical nutrients required for microbial growth. [3 marks]
SECTION B (40 MARKS) Answer any two questions.
7. Discuss the economic importance of microorganisms. [20 marks]
8. Describe the physical methods used to control microorganisms, giving examples of recommended uses. [20 marks]
9. Discuss the physical conditions required for microbial growth. [20 marks]
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Bota 131:General Microbiology Question Paper

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