Microbiological Hazards - Week 2 Flashcards
1
Q
Microbiological hazrads include (4)
A
Viruses
Yeasts
Moulds
Parasitic protozoa
2
Q
How do these hazards manifest themselves
A
Present
Introduction
Growth
Survival
3
Q
Pathogenic bacterias cause
A
infections or intoxications
4
Q
Saphrophytic bacteria plays a role in
A
Biodegration and cause food spoilage
5
Q
Cultured micro-organisms are used in
A
Food processing
6
Q
How does bacteria multiply and how long does it take
A
Binary Fission and usually takes 20 minutes
7
Q
7 Factors affecting bacteria multiplication
A
Nutrient availability pH Moisture Water Activity Temp Presence of o2 Competition
8
Q
What is zoonosis
A
Any hazards transmitted from an animal to human