Explore topic-wise MCQs in Food Engineering.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Food Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

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
2.

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
3.

Viruses can be eliminated by irradiation.

A. True
B. False
Answer» C.
4.

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
5.

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
6.

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.
7.

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
8.

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
9.

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
10.

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