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

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

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

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

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

Where is the position of cork cambium in stem bark?

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

Which type of bark shows epiphytes?

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

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

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

Which family does Cortex Cinchona belong to?

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

What is the function of calloses in sieve tubes?

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

What type of shape does Cortex Cinchona have?

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

What is the term used to describe barks containing Alkaloids?

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

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

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

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