‘A company must be on guard against violations’. This is covered under _____

Inspections and safety incidents

Which does the following task come under? – Maintaining inventory of food processing systems and their environments.

Physical systems hazards control

Which of the following is useful in trouble shooting for physical systems hazard?

Developing and maintaining flow diagrams to cover all food processing and physical systems and environment

Identifying all physical system hazards to safety and integrity of products

Establishing systems of control for all hazards and maintaining records of the same

Which of the following is correct about beta particles?

High specific ionization ability

Higher ionization ability than gamma radiation

What change does ionizing radiation produce in milk casein?

Reduction of its stability to heat

Increase in rennet coagulation & Reduction of its stability to heat

Which of the following is true about ferrous sulphate dosimeter?

It is the most standard dosimeters. Radiation ionizes water forming H20⁺. This dissociates into OH⁻ and H⁺ ion

The formation of Fe+++ is the key effect which permits the determination of the radiation dose

Determination of ferric ion concentration gives a direct measure of energy absorbed

Which of the following reasons is why machine produced ionizing radiations are preferred over fission products?

Fission products require extensive shielding and dose supplied may be so high that prolonged exposure times are required

Machine produced radiations are unidirectional and can be turned off

Statement 1: When matter is traversed by any of the forms of ionizing radiations, _____Statement 2: Ionization radiations produce _____

Ion pairs are not produced, chemical changes in irradiated materials

Energy is absorbed, negligible temperature rise

Ion pairs are not produced, chemical changes in irradiated materials

Energy is absorbed, chemical changes in irradiated materials

Neither of the mentioned, neither of the mentioned

Statement 1: Very young chickens can also be irradiated. This is an advantage of irradiation.Statement 2: Which of the following is an example of ionizing radiation as a unit operation in the field of food and agriculture?

False, Increasing the yield of crops

Which of the following is correct about alpha particles?

High ionization due to relative size and carrying of double positive charge

In air, they have a range of few centimeters

Which of the following is an objective of ‘Quality assurance’?

To establish, issue and maintain standards and specifications for all raw materials and finished goods

To assure all ingredients and all finished goods adhere to the company’s quality standards

To be of service to the company in all areas related to product quality

The outbreaks traced to foods from food processing plants are contributed due to which of the following factor?

Preparing food items too far in advance

Food items re-infected after final heat processing

Which of the following fact about radiation/ irradiation is true?

All food items consumed by man are radioactive

Alpha and beta particles and gamma photons are the radiations available for food preservation applications

Energy lost per ion pair formed is greater than the ionization energy

Which of the following is true with respect to irradiation for fresh fish?

The expected shelf life at a given storage temperature would depend on the radiation dose

The odor caused by volatile formed in irradiated fresh fish decreases with storage time if the product is packed in a gas permeable container

The expected shelf life at a given storage temperature would depend on the radiation dose

Which of the following is important in estimating decimal reduction dose (D value)?

Observations made in the food itself

Desirable to experiment with the largest feasible initial number of cells and to follow their destruction to the lowest level which can be observed within the limits of statistical significance

Observations made in the food itself and desirable to experiment with the largest feasible initial number of cells and to follow their destruction to the lowest level which can be observed within the limits of statistical significance

Which of the following is NOT true about artificial coloring with respect to food?

It is defined as any material which contains a dye or a pigment

This dye or pigment can be obtained by extracting a natural dye or pigment from plants or other sources

Caramel falls under its definition

Which of the following is given by the Herschman Equation?

Maximum radioactivity which cannot be produced in a foodstuff which has been isotope formed

Percentage composition of food in regard to isotope’s parent atom

Which of the following techniques are used by the FDA in determining the manner in which industry accepts its responsibilities?

Sample Collection and analysis of product in process

Surveillance intended to identify new problems

Which of the following is NOT covered under ‘Finished Product Quality Assurance’?

Special finished product survey

Which of the following categories are present in a company for any product?

‘New product for company-existing competitor product’

Completely new product & New product for company-existing competitor product

67 + Mcqs in Principles Principles Chemical Preservation Of Food in Food Engineering Page 1 McqOptions

1.	‘A company must be on guard against violations’. This is covered under _____
A.	Inspections and safety incidents
B.	Auditing
C.	Product integrity
D.	All of the mentioned
Answer» D. All of the mentioned

2.	Which does the following task come under? – Maintaining inventory of food processing systems and their environments.
A.	Product specifications
B.	Physical systems hazards control
C.	Purchasing requirements
D.	All of the mentioned
Answer» C. Purchasing requirements

4.	The effort of QA to little day-to-day jobs is related to which of the following sector?
A.	Service
B.	Vendor’s appraisal
C.	Complaint handling
D.	All of the mentioned
Answer» B. Vendor’s appraisal

5.	Statement 1: Plastic films and other foils might get damaged due to irradiation.Statement 2: By increasing the radiation dose by a two-fold, the resistance of certain organisms to irradiation increases.
A.	True, False
B.	True, True
C.	False, False
D.	False, True
Answer» C. False, False

6.	With respect to which of the following properties of food does food irradiation prove a disadvantage?
A.	Flavor
B.	Tenderness
C.	Microbial growth
D.	All of the mentioned
Answer» B. Tenderness

7.	Statement 1: Radiation sterilization might be used for baking since it indicates that the baking quality of eggs is not impaired during doses of ionizing radiations.Statement 2: Enzymes are _____ by ionizing radiations.
A.	True, activated
B.	True, inactivated
C.	False, no change observed
D.	All of the mentioned
Answer» C. False, no change observed

8.	Irradiation _____ the relative viscosity of albumin in solutions.
A.	Increases
B.	Decreases
C.	Remains constant
D.	None of the mentioned
Answer» B. Decreases

9.	Which of the following is correct about beta particles?
A.	High specific ionization ability
B.	Low penetrating power
C.	Higher ionization ability than gamma radiation
D.	All of the mentioned
Answer» D. All of the mentioned

10.	What change does ionizing radiation produce in milk casein?
A.	Increase in rennet coagulation
B.	Reduction of its stability to heat
C.	Increase in rennet coagulation & Reduction of its stability to heat
D.	Neither of the mentioned
Answer» D. Neither of the mentioned

11.	Which of the following is a production control dosimeter?
A.	Cobalt glass
B.	Colored plastic tapes
C.	Ferrous dosimeters
D.	All of the mentioned
Answer» C. Ferrous dosimeters

14.	Statement 1: None of the naturally occurring antioxidant phenols are permitted as food additives.Statement 2: Benzoic acid has certain antioxidant properties.
A.	True, False
B.	True, True
C.	False, False
D.	False, True
Answer» C. False, False

16.	Sodium chloride which is the formula of common salt in large quantities is poisonous to man as is carbon dioxide.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

29.	Statement 1: Sodium Sulphite is banned in certain countries like USA because it has preserving effect on animal tissues but with the combination of other agents.Statement 2: Sulphuring dried fruits helps in controlling microbial and insect activity.
A.	True, False
B.	True, True
C.	False, False
D.	False, True
Answer» C. False, False

32.	Container shape plays an important role for radiation source utilization.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

34.	Statement 1: The microbial deterioration of fresh fish is _____ by irradiation.Statement 2: The _____ of oxygen increases the sensitivity of vegetative bacteria to irradiation by two-three folds.
A.	Increased, presence
B.	Decreased, absence
C.	Increased, absence
D.	Decreased, absence
Answer» B. Decreased, absence

15.	Which of the following dosimeters are used?
A.	Primary standard
B.	Operating standard
C.	Production control devices
D.	All of the mentioned
Answer» E.

18.	Statement 1: Very young chickens can also be irradiated. This is an advantage of irradiation.Statement 2: Which of the following is an example of ionizing radiation as a unit operation in the field of food and agriculture?
A.	False, Synthesis of vitamin C
B.	False, Aging of wines
C.	False, Increasing the yield of crops
D.	All of the mentioned
Answer» E.

19.	Which of the following is correct about alpha particles?
A.	High ionization due to relative size and carrying of double positive charge
B.	Low penetration power
C.	In air, they have a range of few centimeters
D.	All of the mentioned
Answer» E.

20.	Statement 1: _____ induce radioactivity in food items.Statement 2: Variations in dose distributions in many types of containers and with all types of sources range between 100-125%.
A.	Protons, False
B.	Electrons, False
C.	Neutrons, True
D.	Any of the mentioned, True
Answer» D. Any of the mentioned, True

22.	Which of the following is a major role for the industry?
A.	GMP compliance
B.	Product recall System
C.	Costumer service
D.	All of the mentioned
Answer» E.

23.	Statement 1: It is safe to consume radiation stabilized food processed with gamma photons of less than 2.3 M electron volt.Statement 2: Provisions must be made to limit neutron fluxes in all radiation sources.
A.	True, False
B.	True, True
C.	False, False
D.	False, True
Answer» C. False, False

24.	The outbreaks traced to foods from food processing plants are contributed due to which of the following factor?
A.	Inadequate refrigeration
B.	Preparing food items too far in advance
C.	Food items re-infected after final heat processing
D.	All of the mentioned
Answer» E.

25.	Statement 1: Freezing to temperatures of -20 deg C or lower reduces the radiation effects in the food.Statement 2: Sensitizing compounds or microorganisms to radiation will help fasten the process and make it more efficient.
A.	True, False
B.	True, True
C.	False, False
D.	False, True
Answer» C. False, False

26.	Which of the following chemical additive is banned in the United States and in most of the other countries?
A.	Brandy
B.	Olestra
C.	Baking Soda
D.	None of the mentioned
Answer» C. Baking Soda

27.	Ionizing radiation _____ the thickness of albumin.
A.	Increases
B.	Decreases
C.	Remains constant
D.	None of the mentioned
Answer» C. Remains constant

Explore topic-wise MCQs in Food Engineering.

‘A company must be on guard against violations’. This is covered under _____

Which does the following task come under? – Maintaining inventory of food processing systems and their environments.

Which of the following is useful in trouble shooting for physical systems hazard?

The effort of QA to little day-to-day jobs is related to which of the following sector?

Statement 1: Plastic films and other foils might get damaged due to irradiation.Statement 2: By increasing the radiation dose by a two-fold, the resistance of certain organisms to irradiation increases.

With respect to which of the following properties of food does food irradiation prove a disadvantage?

Statement 1: Radiation sterilization might be used for baking since it indicates that the baking quality of eggs is not impaired during doses of ionizing radiations.Statement 2: Enzymes are _____ by ionizing radiations.

Irradiation _____ the relative viscosity of albumin in solutions.

Which of the following is correct about beta particles?

What change does ionizing radiation produce in milk casein?

Which of the following is a production control dosimeter?

Which of the following is true about ferrous sulphate dosimeter?

Which of the following reasons is why machine produced ionizing radiations are preferred over fission products?

Statement 1: None of the naturally occurring antioxidant phenols are permitted as food additives.Statement 2: Benzoic acid has certain antioxidant properties.

Which of the following dosimeters are used?

Sodium chloride which is the formula of common salt in large quantities is poisonous to man as is carbon dioxide.

Statement 1: When matter is traversed by any of the forms of ionizing radiations, _____Statement 2: Ionization radiations produce _____

Statement 1: Very young chickens can also be irradiated. This is an advantage of irradiation.Statement 2: Which of the following is an example of ionizing radiation as a unit operation in the field of food and agriculture?

Which of the following is correct about alpha particles?

Statement 1: _____ induce radioactivity in food items.Statement 2: Variations in dose distributions in many types of containers and with all types of sources range between 100-125%.

Which of the following is an objective of ‘Quality assurance’?

Which of the following is a major role for the industry?

Statement 1: It is safe to consume radiation stabilized food processed with gamma photons of less than 2.3 M electron volt.Statement 2: Provisions must be made to limit neutron fluxes in all radiation sources.

The outbreaks traced to foods from food processing plants are contributed due to which of the following factor?

Statement 1: Freezing to temperatures of -20 deg C or lower reduces the radiation effects in the food.Statement 2: Sensitizing compounds or microorganisms to radiation will help fasten the process and make it more efficient.

Which of the following chemical additive is banned in the United States and in most of the other countries?

Ionizing radiation _____ the thickness of albumin.

Which of the following fact about radiation/ irradiation is true?

Statement 1: Sodium Sulphite is banned in certain countries like USA because it has preserving effect on animal tissues but with the combination of other agents.Statement 2: Sulphuring dried fruits helps in controlling microbial and insect activity.

Which of the following is true with respect to irradiation for fresh fish?

Ion pair production by ionizing radiations is more efficient than the thermal process.

Container shape plays an important role for radiation source utilization.

Statement 1: Effects of radiation and heat are the same on milk; that is they both influence the rennet coagulation time.Statement 2: _____ balance is important in condensing and canning process.

Statement 1: The microbial deterioration of fresh fish is _____ by irradiation.Statement 2: The _____ of oxygen increases the sensitivity of vegetative bacteria to irradiation by two-three folds.

Statement 1: Radiation has no influence in promoting tin rot or tin disease.Statement 2: Tin coatings over base steel are suitable for food irradiation.

In canning, if the air in the head space is displaced with nitrogen, the gas is considered as a chemical preservative added to the food.

Which of the following is important in estimating decimal reduction dose (D value)?

Which of the following food additive can be used for mold inhibition/ killing?

Which of the following is NOT true about artificial coloring with respect to food?

Which of the following is given by the Herschman Equation?

When the coloring is truly artificial, the food statement “food color added” needs to be added.

Statement 1: _____ radiation is also called cathode radiation.Statement 2: In _____ radiation, spent fuel elements are used.

Viruses can be eliminated by irradiation.

Which of the following is covered under ‘Raw Material Quality Assurance’?

In which of the following ways does absorption of gamma radiation take place?

Low dose irradiation has a potential to extend the shelf-life of certain food items but very low doses shows predominant mold formation.

Which of the following techniques are used by the FDA in determining the manner in which industry accepts its responsibilities?

Which of the following is NOT covered under ‘Finished Product Quality Assurance’?

Knowledge of which of the following is required for products under category I – Completely new product?

Which of the following categories are present in a company for any product?

Statement 1: When matter is traversed by any of the forms of ionizing radiations, _Statement 2: Ionization radiations produce _

Statement 1: The microbial deterioration of fresh fish is _ by irradiation.Statement 2: The _ of oxygen increases the sensitivity of vegetative bacteria to irradiation by two-three folds.

Statement 1: _ radiation is also called cathode radiation.Statement 2: In _ radiation, spent fuel elements are used.

33.	Statement 1: Effects of radiation and heat are the same on milk; that is they both influence the rennet coagulation time.Statement 2: _____ balance is important in condensing and canning process.
A.	True, Water
B.	True, Calcium
C.	False, Fat
D.	False, Calcium
Answer» C. False, Fat

38.	Which of the following food additive can be used for mold inhibition/ killing?
A.	Propionates
B.	Sulphur dioxide
C.	Propionates & Sulphur dioxide
D.	Neither of the mentioned
Answer» D. Neither of the mentioned

42.	Statement 1: _____ radiation is also called cathode radiation.Statement 2: In _____ radiation, spent fuel elements are used.
A.	Alpha, beta
B.	Gamma, alpha
C.	Beta, gamma
D.	All of the mentioned
Answer» D. All of the mentioned

44.	Which of the following is covered under ‘Raw Material Quality Assurance’?
A.	Specifications
B.	Survey program
C.	Service
D.	All of the mentioned
Answer» E.

45.	In which of the following ways does absorption of gamma radiation take place?
A.	Photoelectric effect
B.	Compton effect
C.	Pair production
D.	All of the mentioned
Answer» E.

47.	Which of the following techniques are used by the FDA in determining the manner in which industry accepts its responsibilities?
A.	Establishment inspection
B.	Sample Collection and analysis of product in process
C.	Surveillance intended to identify new problems
D.	All of the mentioned
Answer» E.

48.	Which of the following is NOT covered under ‘Finished Product Quality Assurance’?
A.	Finished product monitoring
B.	Special finished product survey
C.	Factory visits
D.	None of the mentioned
Answer» E.

49.	Knowledge of which of the following is required for products under category I – Completely new product?
A.	Prototype product
B.	Public health clearance
C.	Develop advertising claims
D.	All of the mentioned
Answer» E.

50.	Which of the following categories are present in a company for any product?
A.	‘Completely new product’
B.	‘New product for company-existing competitor product’
C.	Completely new product & New product for company-existing competitor product
D.	Neither of the mentioned
Answer» D. Neither of the mentioned