Minia University
Faculty of Veterinary Medicine Department of Microbiology
General Bacteriology, Mycology and Immunology Examination For 3
rdyear students (Jan. 2017)
Date: 19/1/2017 (code: MIC3127) Time allowed: Two hours Ι. Write short notes on the following: (20 Marks)
A. Cocci aggregates (with examples).
(4 Marks)B. Why spores resist the adverse environmental conditions Refer to different type of spores.
(4 Marks)C. Factors affecting lag phase.
(4 Marks)D. Exaltation of bacterial virulence.
(4 Marks)E. chromogenic and psychrophilic bacteria.
(4 Marks)ΙΙ. Discuss briefly the following: (15 Marks) A. Non conjugative plasmids. (3 Marks) B. The role of bacteriophages in genetic recombination. (3 Marks) C. Arthrospores and Zygospores. (5 Marks) D. Fungal nucleus and mycelia (4 Marks)
ΙΙΙ. Give an account on: (15 Marks) A. Mechanism of delayed type of hypersensitivity. (3 Marks) B. IgG. (4 Marks) C. Antigen presenting cells. (4 Marks) D. Factors affecting immunogenicity. (4 Marks)
BEST WISHES
Minia University
Faculty of Veterinary Medicine Department of Microbiology
General Bacteriology, Mycology and Immunology Examination For 3
rdyear students (Jan. 2018)
Date: 1/1/2018 (code: MIC3127) Time allowed: Two hours Ι. Write short notes on the following: (20Marks) a) Structural Differences between Prokaryotic and Eukaryotic Cells. (3 Marks) b) Diagnostic importance of spores. And why spores resist different adverse conditions?
(4 Marks) c) Interactions between the following bacteria and host (Brucella abortus, Pasteurella,
multocida and E. coli). (2 Marks) d) Bacterial capsule - Fungal mycelium. (3 Marks) e) Types of bacteria according to temperature required for growth. (3 Marks) f) Structure of LPS in relation to its functions. (3 Marks)
ll. Discuss briefly the Following: (12 Marks)
a) Isolation of a bacterium from diseased animal does not necessary mean that it is the cause of the disease. (3 Marks) b) Mention the steps of development of an infection and how pathogens overcome the host defenses? (3 Marks) c) Mention (only) types of fungal spores discussing only two; one sexual and another asexual.(6 Marks)
Ill. Give an account on: (20Marks)
a) T cell types and their receptors. (4Marks) b) APC. (4Marks) c) Function of antibodies. (4Marks) d) Allergen. (4Marks) e) Non-conjugative plasmids. (4Marks)BEST WISHES
Minia University
Faculty of Veterinary Medicine Department of Microbiology
General Bacteriology, Mycology and Immunology Examination For 3
rdyear students (Jan. 2019)
Date: 9/1/2019 (code: MIC3127) Time allowed: Two hours Ι. Write short notes on the following: (15Marks) a) Extra chromosomal DNA elements in bacteria. (3Marks) b) Factors affecting lag phase in bacteria. (3Marks) c) Exaltation and Attenuation of bacterial virulence. (3Marks) d) Psychrophilic and Symbiotic bacteria. (3 Marks) e) Define the following: Polarity, Fungal mycelium - Fungi imperfecti. (3Marks)
ΙΙ. Discuss briefly the Following: (15Marks) a) Effect of pH on bacteria and its role in bacterial purification. (3Marks) b) Characteristics of smooth colonies of bacteria. (3Marks) c) Fungal spores enclosed in sporangia. (4Marks) d) Babes’ Ernst granules and their role in identification of bacteria. (2Marks) e) Differences between organs of locomotion and adhesion bacteria. (3Marks)
Ill. Give an account on: (20Marks)
a) Serum sickness. (4Marks) b) IgM. (4Marks) c) T-helper cell and its function. (4Marks) d) Active specific acquired immunity. (4Marks) e) Characteristics of a good antigen. (4 Marks)BEST WISHES