Food Spoilage and Sensory Signs Quiz

What is microbial food spoilage?

• Microbial food spoilage is caused by exposure to sunlight and air

• Microbial food spoilage is the result of chemical contamination

• Microbial food spoilage is caused by physical damage to the food

• Microbial food spoilage refers to the deterioration of food quality caused by microorganisms such as bacteria, yeast, and mold.

Which of the following is an example of chemical food spoilage?

• Bacterial contamination of meat

• Mold growth on bread due to the release of mycotoxins is an example of chemical food spoilage.

• Excessive moisture in fruits

• Insect infestation in grains

What is physical food spoilage?

• Chemical food spoilage due to changes in taste or smell

• Biological food spoilage caused by microorganisms

• Emotional food spoilage due to negative feelings towards the food

• Physical food spoilage refers to the deterioration of food due to changes in its physical appearance, such as discoloration, texture changes, or the presence of mold.

Which of the following is a common sign of microbial food spoilage in dairy products?

• Mold growth on the surface

• Unusual color or texture

• Sweet smell

• Off odor or sour smell

What causes rancidity in fats and oils?

• Rancidity is caused by exposure to sunlight

• Rancidity in fats and oils is caused by the oxidation of unsaturated fatty acids.

• Rancidity is caused by freezing the fats and oils

• Rancidity is caused by adding antioxidants to the fats and oils

How does exposure to air contribute to food spoilage?

• Exposure to air prevents the growth of microorganisms, preserving the food

• Exposure to air has no effect on food spoilage

• Exposure to air causes food to become healthier and more nutritious

• Exposure to air allows for the growth of microorganisms such as bacteria and fungi, which can cause food to spoil.

Why is it important to be aware of sensory signs of food spoilage?

• Consuming spoiled food can boost the immune system

• It is not important to be aware of sensory signs of food spoilage

• It is important to be aware of sensory signs of food spoilage in order to avoid consuming contaminated or spoiled food, which can lead to foodborne illnesses.

• Sensory signs of food spoilage are not reliable indicators of food safety

What is the primary cause of rancidity in fats and oils?

• Rancidity is caused by exposure to heat

• Rancidity in fats and oils is caused by the presence of water

• Rancidity is caused by the oxidation of unsaturated fatty acids

• Rancidity is caused by adding preservatives to the fats and oils

Which of the following is an example of physical food spoilage?

• Bacterial contamination of meat

• Emotional food spoilage due to negative feelings towards the food

• Physical food spoilage refers to the deterioration of food due to changes in its physical appearance, such as discoloration, texture changes, or the presence of mold.

• Insect infestation in grains

What are the common signs of microbial food spoilage in fruits?

• Mold growth on the surface

• Unusual color or texture

• Sweet smell

• Off odor or sour smell