Science & Tech of Food WebXam prep

You're feelings now that you're almost done with the school year:

Physical changes are always reversible while chemical changes are always irreversible.

Which of the following is NOT a main category of sensory characteristics?

Most bacteria thrive in a neutral pH which is why acids such as vinegar are used in food preservation.

Which of the following holds a negative electric charge?

Which one of the following is NOT a type of water-based solution?

Which of the following is NOT one of the major periods in the development of food?

What is the function of a control in an experiment?

What is the metric base unit for mass?

Which of the following is true regarding a food that is labeled with the USDA "organic" seal?

Which of the following describes a chemical change?

Which of the following relates to the law of conservation of matter?

Which of the following items is the most acidic?

The number of taste buds a person has is an example of what type of influence on food choices?

Which of the following is NOT a characteristic of an ionic bond?

What is the metric base unit for temperature?

The human tongue can sense how many basic tastes?

Which of the following is a reason salt is used as a tool to preserve foods?

Water is composed of two oxygen atoms and one hydrogen atom.

Why would adding a small amount of butter and cream to melted white sugar interfere with crystal formation?

Which of the following items is the most basic?

Cellulose can be found in the soft structures of plants.

The periodic table organizes elements according to the number of protons that each has in its atomic nucleus.

Which of the following is NOT a monosaccharide?

Farmers are reducing the spread of bacteria using competitive exclusion. Which career field focuses on this technique?

When preparing for a taste test panel, researchers must control what major factors?

What is the main product of photosynthesis?

Lower water activity will result in foods that are less perishable.

Weight is measure of the force of gravity between two objects.

At what degree Celsius does pure water boil?

What is the metric base unit for length?

Protons, electrons and neutrons are all examples of what?

Pancake batter would be an example of what type of starch and liquid mixture?

Why doesn't the cocoa settle out of chocolate milk over time?

How are atmospheric pressure, temperature, and boiling point related?

What is the difference between mass and weight?

Which of the following is NOT one of the basic tastes the human tongue can sense?

What is the metric base unit for volume?

Strawberry jam is an example of what type of starch and liquid mixture?

It is important to tare a balance when directed so your experiment will work properly.

At what degree Celsius does pure water freeze?

The ability to trap water molecules allows starch to thicken liquids.

What temperature does compost need to reach in order to kill bacteria?

Living in a 'food desert' is an example of what type of influence on food choices?

A traumatic childhood experience is an example of what type of influence on food choices?

Which of the following is NOT a method used to measure pH?

Wheat flour provides structure in baked goods which is one of the functions of complex carbohydrates.

Which of the following is NOT one of the four types of complex carbohydrates?

Which of the following holds a positive electric charge?

Digestion and pH are not related in any way.