Phytochemistry II Practical Course Quiz
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Questions and Answers

What is the function of Vitali-Morin's test?

  • To identify papaverine
  • To classify alkaloids
  • To detect tropane alkaloids (correct)
  • To detect quinine

Which of the following alkaloids is derived from tryptophan amino acid?

  • Quinine (correct)
  • Colchicine
  • Atropine
  • Caffeine

What is the pharmacological action of quinine?

  • Antimalarial (correct)
  • Antibacterial
  • Antiviral
  • Antifungal

What is the characteristic of the precipitate formed when Mayer's reagent is added to an alkaloidal solution?

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

Which of the following is an example of a protoalkaloid?

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

What is the purpose of adding dil.H2SO4 in the fluorescence test for quinine?

<p>To acidify the solution (A)</p> Signup and view all the answers

What is the characteristic of the fluorescence test for quinine?

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

Which of the following is a source of quinine?

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

What is the structure of quinine?

<p>Alkene with quinuclidine ring and quinoline nucleus (C)</p> Signup and view all the answers

Which of the following reagents produces a yellow color with quinine?

<p>HNO3 reagent (A)</p> Signup and view all the answers

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