Properties of Gums

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Questions and Answers

What is the physical state of gums?

  • Crystalline
  • Amorphous (correct)
  • Translucent crystals
  • Solid particles

In which substance are gums insoluble?

  • Water
  • Alcohol
  • Organic solvents (correct)
  • All of the above

What is the nature of the solution formed when gums are dissolved in water?

  • Clear and transparent
  • Cloudy and thick
  • Transparent and runny
  • Viscous and sticky (correct)

In which substance are gums soluble?

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

What is the appearance of gums?

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

What is the primary condition that leads to the formation of gums in plants?

<p>Injury to the plant (D)</p> Signup and view all the answers

What is the process by which gums are formed outside of cell walls?

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

What type of compounds are produced when gums are hydrolyzed?

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

Which of the following sugars is NOT produced when gums are hydrolyzed?

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

What type of acid is produced when gums are hydrolyzed?

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

What is the primary function of mucilages in plants?

<p>To store water and nutrients (D)</p> Signup and view all the answers

Where are mucilages often found in plants?

<p>Epidermal cells of leaves (C)</p> Signup and view all the answers

What happens when mucilage comes into contact with water?

<p>It swells and forms slimy masses (C)</p> Signup and view all the answers

What is a common location of mucilage in seeds?

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

What type of product is mucilage?

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

What are gums and mucilages classified as?

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

What do gums and mucilages yield on hydrolysis?

<p>A mixture of sugars and uronic acids units (D)</p> Signup and view all the answers

What type of compounds can uronic acids form with?

<p>Salts with metals like Ca, Mg, and K (C)</p> Signup and view all the answers

What are polyuronoides?

<p>Units of uronic acids and sugars (C)</p> Signup and view all the answers

What is the general term for gums and mucilages?

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

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