Introduction To Microbiology Question Paper
Introduction To Microbiology
Course:Bachelor Of Science In Public Health
Institution: Jomo Kenyatta University Of Agriculture And Technology question papers
Exam Year:2010
INSTRUCTIONS:ANSWER ALL QUESTIONS IN SECTION A AND ONLY ONE IN SECTION B
SECTION A: ANSWER ALL QUESTIONS IN THIS SECTION (48MARKS)
QUESTION 1
Explain the contribution of the following development of microbiology
a. Robert Hooke (2marks)
b. Louis Pasteur (2marks)
c. Robert Koch (2marks)
QUESTION 2
Briefly explain the fundamental differences between prokaryotic and eukaryotic cells (6marks)
QUESTION 3
A bacterial inoculums with a population of 300 cells has a generation time of 30 minutes
a. how many cells will be there in two hours (2marks)
b. With illustration, explain the various phrases in the normal growth of the culture (4marks)
QUESTION 4
Describe three experiments that helped to disapprove the spontaneous generation theory and the acceptance of the theory of biogenesis (6marks)
QUESTION 5
a.Explain the principles of microscopy
b. Differentiate between bright field, dark field and florescent microscope (6marks)
QUESTION 6
Describe six groups of bacteria viruses according to their morphology (6marks)
QUESTION 7
Explain how you can measure microbial growth
QUESTION 8
Give six examples of fungi that are pathogenic to humans and indicate the disease they cause
SECTION B: ANSWER ONLY ONE QUESTION (EACH QUESTION IS 22MARKS)
9. Discuss isolation, preservation and characterization of pure cultures in bacteriology
10.Discuss staining as used in microbiology
11. Discuss the differences between bacteria and viruses
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