Food Additives MCQ : Here you will find MCQ Questions related to "Food Additives" in Food Engineering. These Food Additives MCQ Questions Will help you to improve your Food Engineering knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.
How many general categories of food additives?
Explanation: There are four general categories of food additives: nutritional additives, processing agents, preservatives, and sensory agents.
Which additives are used for the purpose of restoring nutrients lost or degraded during production?
A. nutritional additives
B. processing agents
D. sensory agents
Explanation: Nutritional additives are used for the purpose of restoring nutrients lost or degraded during production, fortifying or enriching certain foods in order to correct dietary deficiencies, or adding nutrients to food substitute.
___________are used to maintain a uniform dispersion of one liquid in another, such as oil in water.
Explanation: Emulsifiers are used to maintain a uniform dispersion of one liquid in another, such as oil in water.
The products of autoxidation, called?
A. radical scavengers
C. butylated hydroxytoluene
D. free radicals
Explanation: The autoxidation of unsaturated fatty acids involves a reaction between the carbon-carbon double bonds and molecular oxygen (O2). The products of autoxidation, called free radicals.
Which of the following is NOT a function of a food additive?
A. Controlling acidity/alkalinity
B. Maintain nutritive value
C. To maintain product consistency
D. None of the mentioned
Explanation: All the mentioned are functions of food additives
Which is probably the oldest known antimicrobial agent?
Explanation: Sodium chloride (NaCl), or common salt, is probably the oldest known antimicrobial agent.
The rich flavour associated with L-glutamate was called?
Explanation: The rich flavour associated with L-glutamate was called umami.
What are Sequestrants?
A. They are added to keep the food stable
B. Form a complex ion with metals like copper, iron etc
C. Added for color
D. They keep the food oxidized
Explanation: Sequestrants form a complex ion with metals like iron etc. These metals trigger auto-oxidation. Hence, forming complexes prevents them from reacting with oxygen and leading to rancidity etc.
Which sentence is untrue?
A. GRAS stands for generally recognized as safe
B. Boric acid has been banned
C. High levels of MSG leads to Chinese Restaurant Syndrome
D. Food additives need not be numbered or labelled
Explanation: Food additives have to be numbered or labelled properly.
Specific enzymes may also carry out the oxidation of many food molecules.
C. Can be true or false
D. Can not say
Explanation: Specific enzymes may also carry out the oxidation of many food molecules. The products of these oxidation reactions may lead to quality changes in the food. For example, enzymes called phenolases.