Hndu 242:Food Microbiology Question Paper
Hndu 242:Food Microbiology
Course:Nutrition And Dietetics
Institution: Kenya Methodist University question papers
Exam Year:2011
SCHOOL OF MEDICINE AND HEALTH SCIENCES
DEPARTMENT OF NUTRITION AND DIETETICS
DURATION: 3 HRS
INSTRUCTIONS: 1. Answer ALL Questions in Section A and TWO in Section B 2. Write your University ID on ALL scripts 3. Use only blue, black ball point or ink
SECTION A
Question 1
Describe the following expressions as used in description of microbial death.
a) D value
b) Z value
c) P value
d) F value
e) 12 D concept (10marks)
Question 2
Describe the phases of the microbial growth cycle. (5marks)
Question 3
Describe the pathogenic strains of E. Coli that may present as food poisoning organisms. (5marks)
Question 4
Describe any TWO viruses that present as food borne pathogens. (5marks)
Question 5
Describe the microbial flora of human gastro intestinal tract. (5marks)
SECTION B
Question 6
a) Describe the mode of action of bacterial toxins. (10marks)
b) Discuss the intrinsic factors that affect microbial growth. (10marks)
Question 7
a) Describe the microbial food preservatives used in manufacturing industries. (10marks)
b) Describe Listeria monocytogens as a food borne pathogen. (10marks)
Question 8
Discuss the principles of Hazard analysis critical control points. (20marks)
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