15 Questions
What is the definition of bark?
All tissues outside cambium of woody plants
What is the function of the cork cambium in bark?
To produce secondary thickening
Where does the cork cambium start in the bark?
Epidermis
What are the components of the periderm in the bark?
Cork, cork cambium, phelloderm
What is the main function of the bark in woody plants?
Protection of internal tissues
What appears first during the activation of the cambium in bark?
Rhytidoma (dead collapsed tissues)
What is the term used to describe the removal of cork, secondary cortex, or whole tissues outside the secondary phloem?
Decortication of Bark
Where is the position of cork cambium in stem bark?
In the pericycle
Which type of bark shows epiphytes?
Stem bark
What is the main source of the active ingredients in the bark?
Cork cambium
Which family does Cortex Cinchona belong to?
Rubiaceae
What is the function of calloses in sieve tubes?
Stain red with corallin soda reagent
What type of shape does Cortex Cinchona have?
Flat
What is the term used to describe barks containing Alkaloids?
Cinchona barks
What type of shape does Quill (Single quill) have?
Flat
Test your knowledge on the introduction to bark, bark containing alkaloids, and bark containing volatile oils in the context of botany and medicinal plants. This quiz covers the lecture by Professor Haidy Abdel Moniem Gad, Ph.D.
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