FOS3042 Exam 4 question bank,
FOS3042 Exam 4/Quiz 10 questions and
answers
Which of the following combinations are not commonly encountered during
drying?
Low temperature-high humidity
High temperature-high humidity
High temperature-low humidity
Medium temperature-medium humidity ✔✔High temperature-high humidity
Ionizing radiation approved for use on foods are
Gamma rays and X-rays
Gamma rays but not X-rays
Sun rays
Microwaves ✔✔Gamma rays and X-rays
Which of the following is not added to foods with the purpose of controlling
microbial growth? ✔✔Glycerin
,Ionizing radiation approved for use on foods are ✔✔Gamma and X-rays
Each of the following indicates a desirable characteristic of a chemical
preservative except:
Is active on a wide spectrum of spoilage and pathogenic organisms
Enhances flavor and color of the product
Is active throughout the shelf life of the food.
Does not interfere with microbial activity such as leavening of bread.
✔✔Enhances flavor and color of the product
Which of the following statements is incorrect about freezing? ✔✔Freezing
is a lethal process that can be used to eliminate all microbial cells.
Which of the following preservation methods will not inactivate enzymes?
Thermal processing
Drying
Irradiation
Chemical additives ✔✔Irradiation
Which of the following help rice grains absorb fairly large levels of moisture
in a salt shaker? ✔✔The starchy matrix inside the grains which allow
swelling.
Microwaves, UV light and ionizing radiation...
, are examples of electromagnetic radiation.
can be used to preserve food.
are better suited for treatments at substerilization doses.
All of these are correct. ✔✔All of these are correct
Which of the following is the primary reason why you should not eat raw
cookie dough? ✔✔Raw eggs in the recipe may harbor Salmonella
Plasmolysis is...
the mechanism of action for salt or sugar used as food preservative.
caused by high osmotic pressure outside the cell.
the shrinkage of microbial cells due to water loss.
All of these. ✔✔All of these
Which of the following accurately explain(s) why someone may want to add
a few grains of rice to their salt shaker?
To prevent the clumping of salt by absorbing salt crystals prone to
clumping.
To absorb moisture from ambient air so that those water molecules are not
available for a saturated salt solution on salt crystals.
To counteract the bad luck that might be brought about by spilled salt.
FOS3042 Exam 4/Quiz 10 questions and
answers
Which of the following combinations are not commonly encountered during
drying?
Low temperature-high humidity
High temperature-high humidity
High temperature-low humidity
Medium temperature-medium humidity ✔✔High temperature-high humidity
Ionizing radiation approved for use on foods are
Gamma rays and X-rays
Gamma rays but not X-rays
Sun rays
Microwaves ✔✔Gamma rays and X-rays
Which of the following is not added to foods with the purpose of controlling
microbial growth? ✔✔Glycerin
,Ionizing radiation approved for use on foods are ✔✔Gamma and X-rays
Each of the following indicates a desirable characteristic of a chemical
preservative except:
Is active on a wide spectrum of spoilage and pathogenic organisms
Enhances flavor and color of the product
Is active throughout the shelf life of the food.
Does not interfere with microbial activity such as leavening of bread.
✔✔Enhances flavor and color of the product
Which of the following statements is incorrect about freezing? ✔✔Freezing
is a lethal process that can be used to eliminate all microbial cells.
Which of the following preservation methods will not inactivate enzymes?
Thermal processing
Drying
Irradiation
Chemical additives ✔✔Irradiation
Which of the following help rice grains absorb fairly large levels of moisture
in a salt shaker? ✔✔The starchy matrix inside the grains which allow
swelling.
Microwaves, UV light and ionizing radiation...
, are examples of electromagnetic radiation.
can be used to preserve food.
are better suited for treatments at substerilization doses.
All of these are correct. ✔✔All of these are correct
Which of the following is the primary reason why you should not eat raw
cookie dough? ✔✔Raw eggs in the recipe may harbor Salmonella
Plasmolysis is...
the mechanism of action for salt or sugar used as food preservative.
caused by high osmotic pressure outside the cell.
the shrinkage of microbial cells due to water loss.
All of these. ✔✔All of these
Which of the following accurately explain(s) why someone may want to add
a few grains of rice to their salt shaker?
To prevent the clumping of salt by absorbing salt crystals prone to
clumping.
To absorb moisture from ambient air so that those water molecules are not
available for a saturated salt solution on salt crystals.
To counteract the bad luck that might be brought about by spilled salt.
