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Questions and Answers
What can be observed in the transverse section of a wood element?
What can be observed in the transverse section of a wood element?
- M.R. and Annular rings only
- Pith only
- Tangential longitudinal section and M.R.
- Annular rings and pith (correct)
What is the term for the arrangement of wood elements shown in the diagram?
What is the term for the arrangement of wood elements shown in the diagram?
- Tangential longitudinal section
- Annular rings
- Radial longitudinal section
- Transverse section (correct)
What is the center of the wood element represented by?
What is the center of the wood element represented by?
- Tangential longitudinal section
- Annular rings
- M.R.
- Pith (correct)
Which of the following sections is not shown in the diagram?
Which of the following sections is not shown in the diagram?
What is the term 'M.R.' an abbreviation for?
What is the term 'M.R.' an abbreviation for?
What is the primary use of Anthelmintic as an enema?
What is the primary use of Anthelmintic as an enema?
Which of the following is NOT a common use of Anthelmintic?
Which of the following is NOT a common use of Anthelmintic?
In which field is Anthelmintic commonly applied as a pesticide?
In which field is Anthelmintic commonly applied as a pesticide?
What is another term for Anthelmintic?
What is another term for Anthelmintic?
Which of the following is a common application of Anthelmintic?
Which of the following is a common application of Anthelmintic?
What is the primary use of the substance as an incense?
What is the primary use of the substance as an incense?
In the perfumery industry, what role does the substance play?
In the perfumery industry, what role does the substance play?
What is the medical use of the substance as a diaphoretic?
What is the medical use of the substance as a diaphoretic?
What is the use of the substance in the production of alcoholic beverages?
What is the use of the substance in the production of alcoholic beverages?
What is the secondary use of the substance as an insecticide?
What is the secondary use of the substance as an insecticide?
What is the primary function of guaifenesin?
What is the primary function of guaifenesin?
From which plant is guaiac resin derived?
From which plant is guaiac resin derived?
What type of enzyme is detected by an alcoholic solution?
What type of enzyme is detected by an alcoholic solution?
What is the chemical name of guaifenesin?
What is the chemical name of guaifenesin?
What is the primary source of guaifenesin?
What is the primary source of guaifenesin?
What is the primary component of the volatile oils found in the heartwood of Santalum album?
What is the primary component of the volatile oils found in the heartwood of Santalum album?
What is the primary function of the heartwood of Pterocarpus santalinum?
What is the primary function of the heartwood of Pterocarpus santalinum?
What is the approximate percentage of volatile oils found in the heartwood of Santalum album?
What is the approximate percentage of volatile oils found in the heartwood of Santalum album?
What is the name of the pigment found in the heartwood of Pterocarpus santalinum?
What is the name of the pigment found in the heartwood of Pterocarpus santalinum?
What is the family of the tree species that produces Red Sandalwood?
What is the family of the tree species that produces Red Sandalwood?
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Study Notes
Arrangement of Wood Elements
- M.R. (Medullary Rays) can be seen in Transverse section and Tangential longitudinal section
- Annular rings are present in the wood structure
- Pith is a part of the wood anatomy
Guaifenesin
- Derived from Guaiacum officinale wood
- An expectorant
- Constituent of guaiac resin
- Also known as Guaiacol glyceryl ether, Guaiphenesin, or Glycerol guaiacolate
Uses of Guaifenesin
- Anthelmintic (vermicide) against thread worms
- Pesticide against flies and aphids in Horticulture
- Treatment for head lice infestation (Pediculosis)
- Detection of blood stains, oxidase, and peroxidase enzymes using an alcoholic solution
Sandalwood
Yellow Sandalwood
- Heartwood of Santalum album (family Santalaceae)
- Active constituents: Volatile oils (2.5%) containing 95% Santalol
- Uses:
- Coloring agent for alcoholic preparations
- In perfumery industry and as incense
- Diaphoretic
- Insecticidal
Red Sandalwood
- Heartwood of Pterocarpus santalinum (family Leguminosae)
- Active constituents: Blood-red pigments (16%): Santalin, deoxysantalin
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