Anhe 0212: Veterinary Microbiology Question Paper
Anhe 0212: Veterinary Microbiology
Course:Diploma In Animal Health And Production
Institution: Chuka University question papers
Exam Year:2013
CHUKA
UNIVERSITY
UNIVERSITY EXAMINATIONS
SECOND YEAR EXAMINATION FOR THE AWARD DIPLOMA IN ANIMAL HEALTH AND PRODUCTION
ANHE 0212: VETERINARY MICROBIOLOGY
STREAMS: DIP (ANHE) Y2S1 TIME: 2 HOURS
DAY/DATE: THURSDAY 8/8/2013 2.30 PM – 4.30 PM
INSTRUCTIONS:
Section A: Answer All Questions (40 Marks)
Question 1
(a) Define the following terms:
(i) Sterilization [2 marks]
(ii) Resolution [2 marks]
(iii) Working distance [2 marks]
(iv) Disinfectant [2 marks]
(v) Thermal death point [2 marks]
Question 2
(a) State two (2) types and any four (4) limitations of electron microscopes. [3 marks]
(b) State any two species of organisms in the genus Mycoplasma and for each species one (1) example of a disease caused. [3 marks]
(c) State any four (4) functions of a capsule to a bacterial cell. [8 marks]
Question 3
(a) Define the term “binary fission” [2 marks]
(b) State and explain four (4) economic importance of bacteria. [8 marks]
Question 4
(a) State two (2) characteristics of organisms in the group Rickettsia [2 marks]
(b) List (4) four examples of DNA viruses [4 marks]
(c) State three (3) general ways of controlling viruses [3 marks]
(d) State two (2) gaseous agents used in the control of microorganisms. [1 mark]
Section B: Answer any Two Questions (30 Marks)
Question 5
(a) State and explain five (5) physical methods of microorganism control. [10 marks]
(b) Briefly explain five (5) reasons why fungi are economically important. [5 marks]
Question 6
(a) Define the term “virion” [1 mark]
(b) State four (4) main criteria that can be used to classify viruses and give one (1) example for each criteria. [4 marks]
(c) State and explain the steps in viral replication. [10 marks]
Question 7
(a) Briefly explain what happens in the following phases of bacterial growth curve.
[8 marks]
(i) Lag phase
(ii) Log phase
(iii) Stationary phase
(iv) Death phase
(b) How does osmotic pressure affect the growth of bacteria? [7 marks]
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