Explore topic-wise MCQs in Graduate Aptitude Test (GATE).

This section includes 45 Mcqs, each offering curated multiple-choice questions to sharpen your Graduate Aptitude Test (GATE) knowledge and support exam preparation. Choose a topic below to get started.

1.

 Which of the following is a step under process development?

A. Establish tentative process specifications
B. Organize necessary pilot plant facilities
C. Produce pilot plant products and submit to taste panels
D. All of the mentioned
Answer» E.
2.

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.
3.

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
4.

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.
5.

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

A. To establish, issue and maintain standards and specifications for all raw materials and finished goods
B. To assure all ingredients and all finished goods adhere to the company’s quality standards
C. To be of service to the company in all areas related to product quality
D. All of the mentioned
Answer» E.
6.

 ‘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
7.

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

A. Developing and maintaining flow diagrams to cover all food processing and physical systems and environment
B. Identifying all physical system hazards to safety and integrity of products
C. Establishing systems of control for all hazards and maintaining records of the same
D. All of the mentioned
Answer» E.
8.

 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
9.

 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.
10.

Which of the following techniques are used by 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.
11.

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.
12.

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

A. The odor caused by volatile formed in irradiated fresh fish decreases with storage time if the product is packed in a gas permeable container
B. The expected shelf life at a given storage temperature would depend on the irradiation dose
C. Both of the mentioned
D. Neither of the mentioned
Answer» D. Neither of the mentioned
13.

Viruses can be eliminated by irradiation.

A. True
B. False
Answer» C.
14.

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

A. True
B. False
Answer» B. False
15.

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
16.

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. True, Synthesis of vitamin C
B. True, Aging of wines
C. False, Increasing the yield of crops
D. False, All of the mentioned
Answer» E.
17.

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

A. Observations made in the food itself
B. 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
C. Both of the mentioned
D. Neither of the mentioned
Answer» D. Neither of the mentioned
18.

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
19.

 Container shape plays an important role for radiation source utilization.

A. True
B. False
Answer» B. False
20.

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.

A. True, False
B. True, True
C. False, False
D. False, True
Answer» C. False, False
21.

 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. False, all of the mentioned
Answer» C. False, no change observed
22.

 Ionizing radiation _____ the thickness of albumin.

A. Increases
B. Decreases
C. Remains constant
D. None of the mentioned
Answer» C. Remains constant
23.

 Irradiation _____ the relative viscosity of albumin in solutions.

A. Increases
B. Decreases
C. Remains constant
D. None of the mentioned
Answer» B. Decreases
24.

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, All of the mentioned
Answer» C. False, Fat
25.

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.
26.

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

A. All food items consumed by man are radioactive
B. Alpha and beta particles and gamma photons are the radiations available for food preservation applications
C. Energy lost per ion pair formed is greater than the ionization energy
D. All of the mentioned
Answer» E.
27.

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

A. True
B. False
Answer» C.
28.

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

A. It is defined as any material which contains a dye or a pigment
B. This dye or pigment can be obtained by extracting a natural dye or pigment from plants or other sources
C. Caramel falls under its definition
D. None of the mentioned
Answer» E.
29.

Which of the following is a permitted food additive by the FDA when not in violation with other section of the act?

A. Aluminium sodium sulphate
B. Vitamin D-2
C. Sodium polyphosphate
D. All of the mentioned
Answer» E.
30.

Which of the following is a use of waxing in plant tissues?

A. Reduces shrinkage losses
B. Reducing water losses due to evaporation
C. Thick leads to anaerobic respiration conditions and thin coat offers little control over moisture losses
D. All of the mentioned
Answer» E.
31.

 _____ salts are used in many fruit processing operations in concentrations below 0.1%.

A. Calcium
B. Magnesium
C. Sodium
D. All of the mentioned
Answer» B. Magnesium
32.

Which of the following is true about synergism?

A. The mechanism of synergism depends on the nature of synergist, the antioxidant and the fat
B. Synergists do not have antioxidant properties alone
C. When two or more antioxidants combine, a greater effect than a single antioxidant is produced. This is referred to as synergism
D. All of the mentioned
Answer» E.
33.

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
34.

Which of the following is a naturally occurring antioxidant?

A. Hydroquinone
B. Ascorbic acid
C. Vitamin E
D. All of the mentioned
Answer» E.
35.

Which of the following is valid when it comes to the future of antibiotics in food?

A. Should have no harmful effect on man when taken by mouth and preferably should be metabolizable
B. The economy of use, ease of use and reliability of control and detection must exist
C. Preferably compatible with other methods of permanent preservation
D. All of the mentioned
Answer» E.
36.

Which of the following is true about mold inhibition?

A. Sorbic acid is used as a mold inhibitor in cheese
B. The quantity of Sorbic acid required for mold inhibition is one third the amount of sodium benzoate required
C. Propylene glycol and tri ethylene glycol have germicidal properties
D. All of the mentioned
Answer» E.
37.

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

A. Propionates
B. Sulphur dioxide
C. Both of the mentioned
D. Neither of the mentioned
Answer» D. Neither of the mentioned
38.

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
39.

 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.

A. True
B. False
Answer» C.
40.

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
41.

Which of the following is a function of a chemical additive?

A. Preservation
B. Serve as nutritional supplement
C. Color modifiers
D. All of the mentioned
Answer» E.
42.

Which of the following undesirable quality pertains to the undesirable use of additives?

A. To disguise the use of faulty processing and handling techniques
B. To deceive consumers and result in a substantial reduction of the nutritive value of the food
C. When the desired effect can be obtained by good manufacturing practices which are economically feasible
D. All of the mentioned
Answer» E.
43.

Which of the following is a use of food additive?

A. Maintenance of nutritional quality of food and providing essential aids in food processing
B. Enhancement of keeping quality or stability with resulting reduction in food losses
C. Making food attractive to the consumer in a manner which does not lead to deception
D. All of the mentioned
Answer» E.
44.

 Which of the following terms/ food items are NOT included in the definition of a food additive?

A. Food items that find their way accidentally or unintentionally
B. Pesticides, color additives
C. New animal drugs or any substance used in accordance with a sanction or approval granted prior to effective date of food additives amendment of 1958
D. All of the mentioned
Answer» E.
45.

Which of the following defines a food additive?

A. Substance which is/ may become a part of food
B. A substance or a mixture of substances which is present in food as a result of any aspect of production, processing, storage or packaging
C. A substance, the intended use of which results or may reasonably be expected to result in its becoming a component or otherwise affecting the characteristics of any food with certain exceptions
D. All of the mentioned
Answer» E.