PHBIOSCI221 Pharmacognosy Laboratory Experiment #1 Quiz
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Questions and Answers

What is the primary focus of pharmacognosy?

  • The study of therapeutic substances obtained from biological sources (correct)
  • The study of fermentation processes in microorganisms
  • The study of chemical reactions in plants
  • The study of synthetic drugs

    • Which substance is used as a mounting reagent for specimens in pharmacognosy?

  • Sodium hydroxide reagent
  • Hydrogen peroxide reagent
  • Acetic acid reagent
  • Chloral hydrate reagent (correct)

    • What is the function of Phloroglucinol/ HCl reagent in pharmacognosy?

  • To enhance the color of medicinal plant extracts
  • To dissolve resin and fat content in plant cells
  • To test for the presence of calcium oxalate and starch (correct)
  • To neutralize acidic compounds in plant specimens

    • Why is heating in a water bath and maceration important when using chloral hydrate reagent?

    <p>To dissolve the cell content such as fat, resin, starch, and calcium oxalate more effectively</p> Signup and view all the answers

    What is the origin of the word 'pharmacognosy'?

    <p>Greek</p> Signup and view all the answers

    How does pharmacognosy relate to botany and plant chemistry?

    <p>Pharmacognosy originated from scientific studies on medicinal plants</p> Signup and view all the answers

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