Botany and Medicinal Plants (PPC101) Lecture 6 Quiz
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Questions and Answers

What is the definition of bark?

  • The innermost layer of woody plants
  • All tissues outside cambium of woody plants (correct)
  • All tissues inside cambium of woody plants
  • The outermost layer of woody plants

    • What is the function of the cork cambium in bark?

  • To produce primary cortex
  • To produce 1ry phloem
  • To produce secondary thickening (correct)
  • To protect the internal tissues

    • Where does the cork cambium start in the bark?

  • Pericycle
  • Primary cortex
  • 1ry phloem
  • Epidermis (correct)

    • What are the components of the periderm in the bark?

    <p>Cork, cork cambium, phelloderm</p> Signup and view all the answers

    What is the main function of the bark in woody plants?

    <p>Protection of internal tissues</p> Signup and view all the answers

    What appears first during the activation of the cambium in bark?

    <p>Rhytidoma (dead collapsed tissues)</p> Signup and view all the answers

    What is the term used to describe the removal of cork, secondary cortex, or whole tissues outside the secondary phloem?

    <p>Decortication of Bark</p> Signup and view all the answers

    Where is the position of cork cambium in stem bark?

    <p>In the pericycle</p> Signup and view all the answers

    Which type of bark shows epiphytes?

    <p>Stem bark</p> Signup and view all the answers

    What is the main source of the active ingredients in the bark?

    <p>Cork cambium</p> Signup and view all the answers

    Which family does Cortex Cinchona belong to?

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

    What is the function of calloses in sieve tubes?

    <p>Stain red with corallin soda reagent</p> Signup and view all the answers

    What type of shape does Cortex Cinchona have?

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

    What is the term used to describe barks containing Alkaloids?

    <p>Cinchona barks</p> Signup and view all the answers

    What type of shape does Quill (Single quill) have?

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

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