Water Food Chemistry Components Quiz

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Questions and Answers

What is the term used to describe the amount of water present in food?

  • Liquid concentration
  • Water saturation
  • Hydration level
  • Moisture content (correct)

In what way does water contribute to the regulation of body temperature?

  • By reducing perspiration
  • By increasing blood pressure
  • By inhibiting enzyme function
  • By absorbing and storing heat (correct)

What is the term for the form in which water exists in food?

  • Water activity (correct)
  • Liquid stage
  • Moisture state
  • Water phase

Which of the following is NOT a function of water in the human body as mentioned in the text?

<p>Regulation of blood pressure (D)</p> Signup and view all the answers

The presence of water in food has a significant impact on its properties. Which is NOT a form of water found in foods as discussed?

<p>Condensed water (B)</p> Signup and view all the answers

In what way does water contribute to the properties of foods?

<p>By influencing texture and taste (B)</p> Signup and view all the answers

What is the characteristic of bound water with respect to freezing?

<p>It remains unfrozen at -40°C (A)</p> Signup and view all the answers

How does adsorbed water differ from bulk water?

<p>It forms strong hydrogen bonds with solute molecules (B)</p> Signup and view all the answers

What effect does adsorbed water have on the glass transition temperatures of solutes?

<p>It lowers the glass transition temperatures (A)</p> Signup and view all the answers

How is unfreezable water in animal tissue characterized?

<p>It forms weak associations via van der Waals forces (B)</p> Signup and view all the answers

What contributes to the low density of ice according to the text?

<p>The open architecture with empty spaces (B)</p> Signup and view all the answers

In liquid water, how do various clusters assemble according to the text?

<p>By weak van der Waals forces (D)</p> Signup and view all the answers

Which major food component is crucial for maintaining blood pressure and preventing heart malfunction?

<p>Water (A)</p> Signup and view all the answers

Which major food component is the most abundant substance on Earth and makes up about 60-70% of our body mass?

<p>Water (A)</p> Signup and view all the answers

Which major food component is considered the universal solvent and the most important constituent of any food?

<p>Water (D)</p> Signup and view all the answers

Which major food component is needed by the body in large amounts and is considered a macronutrient?

<p>Macronutrients (B)</p> Signup and view all the answers

Which major component of food is considered the most significant factor in food safety and preservation?

<p>Water (A)</p> Signup and view all the answers

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