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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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Anhe 0212: Veterinary Microbiology Question Paper

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