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WorksheetsQuiz # 2
Total questions: 30
Worksheet time: 19mins
(a) are small single-celled organisms that live in different stages.
Viruses, bacteria, fungi and parasites are examples of (a) hazards.
Gaseous and toxic substances, dust and fumes are examples of (a) hazards.
(a) hazards are hard or soft foreign objects in food that can cause illness or injury.
Refrigeration stops the bacterial growth
FACT
MYTH
Refrigeration slows but does not prevent bacterial growth.
FACT
MYTH
It is safe to thaw frozen foods on the counter at a room temperature.
FACT
MYTH
Room temperature thawing exposes foods to danger zone.
FACT
MYTH
Bacteria grow easily in acidic conditions.
TRUE
FALSE
What is the temperature danger zone (TDZ) for foods?
30˚C-130˚C
40˚C-140˚C
30˚F-130˚F
40˚F-140˚F
What type of bacteria need oxygen to grow?
Anaerobic
Aerobic
Facultative Anaerobic
Microaerophilic
What type of bacteria cannot survive when there is oxygen?
Anaerobic
Aerobic
Facultative Anaerobic
Microaerophilic
What type of bacteria can grow with or without oxygen?
Anaerobic
Aerobic
Facultative Anaerobic
Microaerophilic
What type of bacteria can grow only in a specific oxygen level of 3-6%?
Anaerobic
Aerobic
Facultative Anaerobic
Microaerophilic
(a) is the amount of water that is bound to the food and is
therefore available for bacterial growth.
The higher the water content of foods, the greater their chance of bacterial contamination.
FACT
MYTH
During the ________ phase, bacteria take some time adapt themselves to the new growth conditions.
lag
exponential
stationary
death
During ________ phase, there is no net increase in the number of bacterial cells
lag
exponential
stationary
death
During ________ phase, microorganisms start dividing at a constant rate.
lag
exponential
stationary
death
During ________ phase the population of bacteria decrease in number.
lag
exponential
stationary
death
Most bacteria prefer foods that are high in protein or carbohydrates like meats, poultry, seafood, dairy products, and cooked plant food, rice, beans, pasta, and baked potatoes.
FACT
MYTH
Intoxication happens when a disease causing organism is eaten along with the food.
TRUE
FALSE
Foodborne infection happens when a living organism multiplies in or on a food and produces a chemical waste or toxin.
TRUE
FALSE
Toxin-mediated infection happens when a living organism is consumed with food and it produces toxins once inside the human body.
TRUE
FALSE
It pertains to the number of hours between the time the person eats a contaminated food and when they first show signs of the disease.
(a)
To avoid foodborne illnesses you need to cook foods thoroughly.
TRUE
FALSE
Always store cooked and ready to eat foods under raw products.
TRUE
FALSE
Keep raw and ready to eat foods separate during storage to avoid cross contamination.
TRUE
FALSE
To prevent foodborne illnesses always keep hot and cold foods hot.
TRUE
FALSE
Temperature abuse is the condition in which foods are exposed to temperature danger zone for enough time to allow the growth of harmful microorganisms.
TRUE
FALSE
