FOOD MICROBIOLOGY QUESTION PAPER

ANDHRA UNIVERSITY
M.Sc. Microbiology 4th Semester PAPER-3: MB 403: FOOD MICROBIOLOGY AND AGRICULTURAL MICROBIOLOGY

1. Write short notes on any five of the following: 5 X 5 = 25 marks.
a) Microbial flora of fresh foods, meat & milk.
b) Types of Spoilage organisms
c) Refrigeration & freezing as food preservation techniques
d) Single cell protein.
e) Soil profile.
f) Biochelators.
g) Phosphate solubilization
h) NPV Virus
UNIT-1:
2. What is food poisoning? Discuss the mycotoxins and bacterial toxins in food &
their impact on human health.

 (15)
(Or)
 Enumerate different techniques involved in microbiological examination of foods.
UNIT-2:
3. Enumerate the methods of food preservation.
 (15)
(Or)
 Discuss in detail the production of Biomass.
UNIT-3:
4. Describe the role of microorganisms in organic mater decomposition.
 (15)
(Or)
 Explain the process of Biological Nitrogen fixation.
UNIT-4:
5. Discuss the different bio-fertilizers and add a note on their significance.
 (15)

(Or)
 Discuss the role of Bio-pesticides in Biological control.

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