FOOD PRESERVATION

Which food preservation technique works by heating and sealing food in an airtight container?

• Sun-Drying.

• Canning.

• Dehydrating.

• Vacuum Sealing.

Which food preservation technique works by reducing oxygen exposure to food?

• Dehydrating.

• Vacuum Sealing.

• Sun-Drying.

• Freezing.

 

How does dehydration work to preserve food?

• Removes oxygen exposure.

• Removes water content by freezing water particles.

• Removes water content.

• Provides an acidic environment.

How does freezing work to preserve food?

• Removes water content by freezing water particles.

• Provides an acidic environment.

• Removes water content.

• Removes oxygen exposure.

Which food preservation technique works by providing an acidic environment?

• Sun-Drying.

• Pickling.

• Adding Lactic Acid.

• Adding Sugar.

What effect do salting have on food such as meat ?

• It dehydrates the meat and slows down spoilage

• It affects the pH and prevent spoilage

• It increase the amount of moisture in the meat

What method of food preservation is used in the picture?

• Freezing

• Drying

• Salting

• Pickling

During prehistoric times, this type of food preservation involved putting food out in the sun in order to dry it out.

• Sun drying

• Solar cooking

• Sun burying

• None of the above

If you were making homemade pickles, what canning process should you use?

• Pressure Canning

• Boiling Water Bath

How does freezing foods affect bacterial growth?

• Allows bacteria to grow rapidly

• Stops or slows down bacteria

• Kills bacteria