null
US
Sign In
Sign Up for Free
Sign Up
We have detected that Javascript is not enabled in your browser. The dynamic nature of our site means that Javascript must be enabled to function properly. Please read our
terms and conditions
for more information.
Next up
Copy and Edit
You need to log in to complete this action!
Register for Free
3930613
Quiz of chemical preservation
Description
quiz
No tags specified
microb
quiz
bstm
Quiz by
pedangpena007
, updated more than 1 year ago
More
Less
Created by
pedangpena007
almost 9 years ago
430
0
0
Resource summary
Question 1
Question
Before we learn about food preservatives, we have to know that all microorganisms are harmful in foods.
Answer
True
False
Question 2
Question
Food that has a high pH value give a greater effect in sulfur dioxide against the molds compared with low pH.
Answer
True
False
Question 3
Question
When we add sorbates at maximum value which is 0.2%, the taste of foods may change.
Answer
True
False
Question 4
Question
Examples of Parabens are tomato sauce, soft drinks and salad dressings.
Answer
True
False
Question 5
Question
Is it safe to use chemicals for food preservation that are not listed as GRAS by FDA regulations?
Answer
True
False
Question 6
Question
Preserve foods by using salt and sugar works by
Answer
lowering osmotic pressure
creating a hypertonic environment.
creating a hypotonic environment.
raising pH
Question 7
Question
Nitrite prevents the growth of:
Answer
Pseudomonas aeruginosa
Clostridium botulinum
Escherichia coli
Salmonella
Question 8
Question
Vitamin C and vitamin E, BHA and BHT, and sulfites are all
Answer
antimicrobial agents
flavor enhancers
incidental food additives
antioxidants.
Question 9
Question
The effectiveness of many chemical preservatives depends primarily on the food
Answer
water content.
temperature.
pH.
All of the above.
Question 10
Question
Potassium sorbate is responsible for
Answer
stabilize red color of meat
block the oxidation of glucose and pyruvate at the acetate level
prevent gassy spoilage
weakening of transmembrane gradient
Show full summary
Hide full summary
Want to create your own
Quizzes
for
free
with GoConqr?
Learn more
.
Similar
Translations and transformations of functions
Christine Laurich
AQA Biology B1 Questions
Bella Statham
AQA Biology B2 Questions
Bella Statham
AQA Physics P1 Quiz
Bella Statham
GCSE AQA Biology 1 Quiz
Lilac Potato
AQA GCSE Product Design Questions
Bella Statham
Waves
kate.siena
General Knowledge Quiz
Andrea Leyden
Biology - B2 - AQA - GCSE - Exam Style Questions
Josh Anderson
Computer science quiz
Ryan Barton
CCNA Security 210-260 IINS - Exam 1
Mike M
Browse Library