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Questions and Answers
What is the term for the impression on the lamina due to the midrib of other leaflets?
Which of the following is NOT a characteristic used to describe leaves?
What is the term for the ratio of stomata to other epidermal cells?
What is the term for the number of small areas of the lamina between the main veins?
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Which of the following characteristics is used to describe the physical appearance of a leaf?
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What is the primary function of Eucalyptus Leaves extract as a febrifuge?
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What is the primary benefit of Eucalyptus Leaves extract for smokers?
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What is the primary function of Eucalyptus Leaves extract as an antiseptic?
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What is observed in the microscopy of powdered Eucalyptus leaf?
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What is the primary advantage of using Eucalyptus Leaves extract as a medicine?
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What is the common name of the plant Barosma betulina?
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What family does the plant Barosma betulina belong to?
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What is the characteristic of the lamina of Barosma betulina when viewed against light?
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What is the reason for the punctate appearance of the lamina of Barosma betulina?
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What is the term used to describe the minute pits or translucent dots on the lamina of Barosma betulina?
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What is the purpose of adding dilute NH4OH solution to the test tube?
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What is the expected color of the solution after adding dilute NH4OH solution?
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What is the volume of dilute NH4OH solution added to the test tube?
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What is being separated at the beginning of the procedure?
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What is the procedure used to distinguish?
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What is the botanical family of the plant from which Senna leaves are obtained?
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What are the two main species of Senna leaves?
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What is the name of the plant from which Senna leaves are obtained, in Arabic?
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What is the main purpose of differentiating between Alexandrian and Indian Senna?
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How many points are mentioned to differentiate between Alexandrian and Indian Senna?
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Study Notes
Microscopy of Eucalyptus Leaf
- Eucalyptus leaves are used to extract oil and leaves, which have various uses:
- As an antiseptic
- As a febrifuge to reduce fever
- As an expectorant, particularly beneficial for smokers
Buchu Leaf
- Buchu leaves come from the Barosma betulina plant, belonging to the Rutaceae family
- Also known as "short Buchu"
- Characteristics of Buchu leaf:
- Punctate (dotted with minute pits or translucent dots) when viewed against light due to scattered oil glands
- Size of leaflets
- Presence of impressions on the lamina due to the midrib of other leaflets (package effect)
- Stomatal index
- Vein-islet number
Chemical Test for Buchu Leaf
- Separate ether or benzene into a clean test tube and shake with 2 ml of dilute NH4OH solution
- A rose-red to intense red color (but not yellow) is produced, which distinguishes it from Cassia Dr.
Senna Leaflets
- Origin: Senna leaves are the dried leaflets of Cassia acutifolia (Alexandrian or Khartoum senna) and Cassia angustifolia (Tinnevelly or Indian senna)
- Family: Leguminosae (Fabaceae)
- To differentiate between Alexandrian senna and Indian senna, examine:
- [Insert details to be examined, not specified in the original text]
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Description
This quiz covers the microscopy of powdered Eucalyptus leaf and its various uses. Learn about the benefits of Eucalyptus leaves extract and oil as antiseptic, febrifuge, and expectorant.
