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Sbt 202: General Microbiology Question Paper

Sbt 202: General Microbiology

Course:Bachelor Of Education

Institution: Kenyatta University question papers

Exam Year:2012

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2011/2012
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR
OF SCIENCE AND BACHELOR OF EDUCATION
SBT 202:
GENERAL MICROBIOLOGY

DATE: Friday, 30th March, 2012

TIME: 11.00 a.m. – 1.00 p.m.
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INSTRUCTIONS:
Answer ALL questions in Section A and any ONE question in Section B. Answers to
question in Section A should be concise and should be written in the spaces provided in
the question paper.
SECTION A: (5 MARKS EACH)
1. State ONE contribution of the following persons in the evolution of microbiology

a) John Needham.

b) Martinus Beijerinck.

c) Richard Petri.

d) Robert Koch.

e) Watson and Crick.

2. Explain various ways in which infections may be acquired in the laboratory.

3. a) Distinguish between Indicator and Transport media giving ONE example media in each case.

b) Describe the use of anaerobic jar in the laboratory.

4. a) Describe bacterial colony characteristics on agar plate.

b) Outline the technique of preparation of bacterial smear from agar
plate.

5. a) Classify bacteria according to air requirements for growth.

b) Name three types of energy sources for microbes and give an example
microbe of each.

6. State the characteristics of Mycoplasmas and Actinomycetes.

7. Outline the following methods of bacteria enumeration

a) Spread plate.

b) Direct microscopic bacterial count.

8. a) Describe the stages of bacterial spore formation

b) Draw labeled diagrams showing different flagella arrangements in bacteria.

SECTION B: ESSAY QUESTIONS (30 MARKS EACH).
Answer any ONE question in this Section.
1. Discuss methods of reproduction in fungi.

2. Write an essay on disinfectants giving examples and stating their uses.

3. Discuss the control of microorganisms using dry heat and radiations.

Sbt 202: General Microbiology Question Paper

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