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Core concepts in processing and safety

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iklog

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haaakdooogVersión en línea Core concepts in processing and safety por iklog 1 What is the primary purpose of food preservation? a Improve taste only b Extend shelf life by inhibiting spoilage organisms c Remove all microbes completely d Increase moisture content 2 Which method involves heating foods to destroy pathogens? a Fermentation b Drying c Pasteurization d Freezing 3 Canning mainly prevents microbial growth by which mechanism? a Adding preservatives only b Reducing pH to acidic level c Creating a sealed, heat-processed environment d Freezing before sealing 4 Which preservation method uses removing moisture to prevent microbial growth? a Cryogenic freezing b Pasteurization c Fermentation d Dehydration 5 What is the key safety system used in food processing to identify hazards? a SQF b GMP c ISO 9001 d HACCP 6 Freezing primarily preserves foods by: a Increasing water activity b Inactivating or slowing microbes and enzymes c Removing fats completely d Killing all bacteria instantly 7 Which preservation method uses high energy radiation to kill microbes? a Irradiation b Fermentation c Boiling d Pasteurization 8 Which factor is critical to successful drying of foods? a Lower storage temperature only b More salt only c Higher moisture for texture d Water activity lower than microbial growth limits 9 A primary goal of food processing is to ensure: a Food safety and quality across the supply chain b Only color enhancement c Only packaging aesthetics d Only taste improvement 10 Which method combines heat and airtight sealing to preserve foods? a Canning b Dry curing c Fermentation with salt d Fermentation 11 A processing method that employ heat that can affect the texture and flavor a Thermal Preservation b Non Thermal Preservation c Non Preservation Process d Separation Process 12 the transformation of raw materials into safe, nutritious, and convenient food products. a Food Processing b Food Preservation c Food Quality d Food Spoilage 13 What is the primary objective of food preservation? a Extend shelf life and maintain safety b Increase food cost c Improve food color only d Increase food moisture 14 Which microorganism is the major concern in canned low-acid foods? a Escherichia coli b Staphylococcus aureus c Clostridium botulinum d Lactobacillus 15 The critical pH separating acid and low-acid foods is: a 5.0 b 4.6 c 4.0 d 6.0 16 HTST pasteurization is: a 121°C for 15 minutes b 135°C for 30 minutes c 63°C for 30 minutes d 72°C for 15 seconds 17 Which gas inhibits microbial growth in MAP? a Oxygen b Nitrogen c Carbon Dioxide d Hydrogen 18 A processor wants to preserve mango slices while maintaining the best flavor and nutrient retention. Which drying method is best? a Sun Drying b Hot Air Drying c Freeze Drying d Drum Drying 19 A swollen can is observed during inspection. What is the most likely cause? a Low moisture b Microbial spoilag c Proper sealinge d Refrigeration 20 A company combines refrigeration, salt, and vacuum packaging in one product. This is an example of: a Drying b Commercial Sterility c Pasteurization d Hurdle Technology 21 Removal of water from food to prolong shelf life. Written answer 22 Heat treatment at 135-140°C for 2-3 seconds. Written answer 23 Measure of free water available for microbial growth. Written answer 24 Process of preserving food by acidification. Written answer 25 Combination of preservation techniques. Written answer 26 Which statement best explains why Clostridium botulinum is a concern in canned foods? a It forms heat-resistant spores and produces a deadly neurotoxin. D. b It causes food discoloration only. c It is an aerobic microorganism d It grows only in acidic foods. 27 The MOST heat-resistant form of bacteria is: a Bacterial Spore b Vegetative Cell c Yeast d Mold 28 Both product and packaging are sterile a Sterilization b Commercial Sterilization c Aseptic Processing d All of the above 29 It is a mild heat treatment, does not kill microorganisms a Pasteurization b Blanching c Tyndallization d Radiation 30 Inactive enzymatic activity a Pasteurization b Blanching c Heating d Freezing Feedback 1 Preservation slows spoilage and enhances safety by controlling microbes, not just flavor or moisture. 2 Pasteurization heats foods to reduce pathogenic microbes while preserving quality. 3 Canning uses heat to kill microbes and a sealed container to prevent recontamination. 4 Dehydration lowers water activity, inhibiting microbial growth. 5 HACCP identifies, evaluates, and controls hazards from production to consumption. 6 Freezing slows or halts microbial activity and enzyme reactions. 7 Irradiation damages microbial DNA, reducing contamination without heat. 8 Low water activity inhibits most microbes and extends shelf life. 9 Processing aims for safe, high-quality foods from production to consumption. 10 Canning uses heat processing and sealed containers to prevent contamination.

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por iklog

What is the primary purpose of food preservation?

Which method involves heating foods to destroy pathogens?

Canning mainly prevents microbial growth by which mechanism?

Which preservation method uses removing moisture to prevent microbial growth?

What is the key safety system used in food processing to identify hazards?

Freezing primarily preserves foods by:

Which preservation method uses high energy radiation to kill microbes?

Which factor is critical to successful drying of foods?

A primary goal of food processing is to ensure:

Which method combines heat and airtight sealing to preserve foods?

A processing method that employ heat that can affect the texture and flavor

the transformation of raw materials into safe, nutritious, and convenient food products.

What is the primary objective of food preservation?

Which microorganism is the major concern in canned low-acid foods?

The critical pH separating acid and low-acid foods is:

HTST pasteurization is:

Which gas inhibits microbial growth in MAP?

A processor wants to preserve mango slices while maintaining the best flavor and nutrient retention. Which drying method is best?

A swollen can is observed during inspection. What is the most likely cause?

A company combines refrigeration, salt, and vacuum packaging in one product. This is an example of:

Removal of water from food to prolong shelf life.

Heat treatment at 135-140°C for 2-3 seconds.

Measure of free water available for microbial growth.

Process of preserving food by acidification.

Combination of preservation techniques.

Which statement best explains why Clostridium botulinum is a concern in canned foods?

The MOST heat-resistant form of bacteria is:

Both product and packaging are sterile

It is a mild heat treatment, does not kill microorganisms

Inactive enzymatic activity