Phytochemicals in Plants Quiz
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Questions and Answers

What is the main function of the group of secondary metabolites known as anthocyanin glycosides in plants?

  • Attract insects for pollination (correct)
  • Strengthen blood vessel walls
  • Provide laxative properties
  • Act as natural coloring matter
  • Which secondary metabolite group is related to flavonoids and has color that depends on the pH of the environment?

  • Phenolic glycosides (correct)
  • Cyanogenic glycosides
  • Mucilage glycosides
  • Tannins
  • What is the significance of anthraquinone glycosides for plants?

  • Act as laxatives
  • Help in oxidation-reduction reactions (correct)
  • Strengthen blood vessel walls
  • Provide antioxidant activity
  • What is the primary purpose of cyanogenic glycosides in plants?

    <p>To defend against predators by releasing HCN</p> Signup and view all the answers

    What effect do phenolic glycosides have on human blood vessel walls?

    <p>Strengthen them</p> Signup and view all the answers

    What test result confirms the presence of anthraquinone glycosides?

    <p>Pink with KOH</p> Signup and view all the answers

    'Rutinose' is associated with which group of secondary metabolites?

    <p>Phenolic glycosides</p> Signup and view all the answers

    What role do mucilage glycosides mainly play in humans?

    <p>To give a laxative effect</p> Signup and view all the answers

    How do the oxygen atoms differ in anthocyanin glycosides compared to other secondary metabolite groups?

    <p>They are positively charged</p> Signup and view all the answers

    What is the primary outcome of testing a solution with KOH OMe in rutinose presence?

    <p>Pink color</p> Signup and view all the answers

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