OLLSCOIL NA hEIREANN,
GAILLIMH
AUTUMN EXAMINATIONS 1999
SECOND SCIENCE
MICROBIOLOGY
SECOND PAPER
EXTERN EXAMINER Professor J Smith
INTERN EXAMINER Internal Examiners
TIME ALLOWED: 3 hours
ANSWER QUESTION 1. AND FOUR OTHER QUESTIONS.
(INDICATE CLEARLY THE QUESTIONS ANSWERED ON THE FIRST
PAGE OF YOUR ANSWER BOOK)
1.
Write an essay on Bergey's Manual of Systematic Bacteriology.
Discuss any three bacterial groups found within one of the four
Volumes.
2.
Write an essay entitled on microbial taxonomy discussing the different
approaches used in phenetic and phylogenetic classification systems.
3.
The provision of pure drinking water is one of the greatest triumphs of
Microbiology. Discuss.
4.
The vast majority of bacterial species remain unculturable in the
laboratory. Discuss how microbiologists can study these species.
5.
Write notes on two of the following:
(a) Smallpox
(b) Herpes virus
(c) Myxomatosis
6.
Write an eassy on organic compound decomposition and recyling in
nature.
7.
Write an essay on the role of microroganisms in aquatic
sediments.
OR
Write notes on two of the following:
(a) Mutualism (Symbiosis)
(b) Synergism
(c) Trophic levels and the biomass pyramid