Botany 3: Phytochemistry

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Questions and Answers

Which type of plant metabolites are fundamental to the life of the plant?

  • Primary metabolites (correct)
  • Quaternary metabolites
  • Tertiary metabolites
  • Secondary metabolites

What is the estimated number of secondary plant metabolites discovered so far?

  • Thousands
  • 200,000 (correct)
  • 80-90%
  • Hundreds

What are secondary plant metabolites referred to as in herbalism?

  • Primary metabolites
  • Quaternary metabolites
  • Tertiary metabolites
  • Plant constituents (correct)

Which of the following is NOT a primary metabolite?

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

What is the difference between primary and secondary plant metabolites?

<p>Primary metabolites are fundamental to plant life while secondary metabolites serve diverse functions (C)</p> Signup and view all the answers

Which of the following is NOT a function of secondary plant metabolites?

<p>Fundamental to plant life (B)</p> Signup and view all the answers

What is the main focus of a herbal monograph?

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

What is the purpose of accessing reliable herbal information in case presentations?

<p>To apply information to case presentations (C)</p> Signup and view all the answers

What is the solubility of herbal constituents?

<p>Both water-soluble and oil-soluble (C)</p> Signup and view all the answers

What is the source of reliable herbal information?

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

Which class of constituents is responsible for the color and fragrance of a plant?

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

Which of the following is an example of a phenolic compound?

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

What type of solvent is best for extracting alkaloids?

<p>90% alcohol or oil (C)</p> Signup and view all the answers

Which of the following is true about glycosides?

<p>The aglycone unit is the biologically active component (D)</p> Signup and view all the answers

What influences the solubility of constituents?

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

Which class of constituents is responsible for the protection of a plant from UV radiation?

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

Which solvent is best for extracting resins?

<p>90% alcohol or oil (C)</p> Signup and view all the answers

What are glycosides composed of?

<p>A sugar unit and a phenolic compound (D)</p> Signup and view all the answers

Which class of constituents is responsible for the structure of a plant?

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

Which solvent is best for extracting volatile oils?

<p>40% alcohol (B)</p> Signup and view all the answers

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