Ollscoil na hÉireann, Gaillimh
National University of Ireland, Galway
GX_____
Exam Code(s)
Exam(s)
Autumn Examinations, 2004/2005
2BS1
2 nd
Year Science Examination
Module Code(s)
Module(s)
Paper No.
Repeat Paper
MI212
Microbiology – Microbes And The Environment
1
Special Paper
External Examiner(s) Professor C.M. Brown
Internal Examiner(s) Professor J. A. Houghton
Dr. C. O’Byrne
Instructions:
Answer 5 Questions
Please indicate clearly the numbers of the questions answered on the first page of your Answer Book
Duration 3 hrs
No. of Pages
Department(s) Microbiology
Course Co-ordinator(s) Dr. Conor O’Byrne
Requirements :
Handout
MCQ
Statistical Tables
Graph Paper
Log Graph Paper
Other Material

Q1.
Write an essay on “The phenotypic characterisation of bacteria”.
Q2.
Write notes on three of the following:
(a) Purple Phototrophic Bacteria
(b) Bdellovibrio
(c) Corynebacteria
(d) Diagnostic tests used for differentiation of enteric bacteria
(e) The Genus Bacillus
Q3.
Compare and contrast the roles of microorganisms in aquatic ecosystems to those in terrestrial ecosystems.
Q4.
Write an essay on “Viroid and prion diseases of plants, animals and humans”.
Q5.
Outline the role of micro-organisms in the global carbon cycle. In your answer, refer to the microbiological differences between terrestrial and aquatic habitats.
Q6.
Write an essay entitled “Wastewater treatment using trickling filters”.
Q7.
Describe the key experiments performed by Louis Pasteur that led to the demise of the theory of “spontaneous generation”.
Q8.
Write an essay entitled “The structure and function of human antibodies”.