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

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

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

What test result confirms the presence of anthraquinone glycosides?

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

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

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

What role do mucilage glycosides mainly play in humans?

<p>To give a laxative effect (A)</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 (C)</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 (D)</p> Signup and view all the answers

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