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General Microbiology Question Paper

General Microbiology

Course:Bachelor Of Education Science

Institution: Kenyatta University question papers

Exam Year:2008

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2007/2008
INSTITUTE OF OPEN LEARNING
SPECIAL/SUPPLEMENTARY EXAMINATION FOR THE DEGREES OF
BACHELOR OF EDUCATION AND BACHELOR OF SCIENCE
SBT 202: GENERAL MICROBIOLOGY

DATE: Friday 10th October, 2008

TIME: 8.00am-10.00am

INSTRUCTIONS:
Answer ALL questions in Section A and any ONE question in Section B. Answers to
questions in Section A should be concise, and should be written in the spaces provided in
the question papers.
SECTION A (5 marks each)

1.
Describe the different morphological forms of viruses.
2.
State the contribution of the following individuals to microbiology.
(a) Hans Christian Gram
(b) Ernest Abbe
(c) Robert Hooke
(d) Roger Stanier
(e) Von Behring
3.
State five uses of alginates.
4.
Describe the different types of pili in bacteria.
5.
Describe the structure of gram negative cell in wall.
6.
State the importance of the following constituents of culture media
(a)
Peptone
(b)
Carbohydrates
7.
State the functions of the following structures in bacteria
(a)
Mesosome.
(b)
Capsules and slime layers.
8.
Outline the techniques of heat fixation of bacterial smears.

SECTION B: ESSAY QUESTIONS (30 MARKS)
1.
Discuss the use of moist heat in control of microorganisms.
2.
Describe the life cycle of Rhizopus stolonifer.
3.
Discuss the economic importance of fungi and bacteria to man.