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Questions and Answers
What chemical test results from Datura powder with Mayer’s reagent?
What chemical test results from Datura powder with Mayer’s reagent?
- Yellow coloration (due to presence of flavonoids)
- Greenish hue (due to presence of tannins)
- No reaction
- Creamy white ppt (due to presence of alkaloids) (correct)
Which family does Datura stramonium belong to?
Which family does Datura stramonium belong to?
- Asteraceae
- Rutaceae
- Ericaceae
- Solanaceae (correct)
What type of stomata is observed in Datura leaves' epidermis?
What type of stomata is observed in Datura leaves' epidermis?
- Diacytic stomata
- Anisocytic stomata (correct)
- Paracytic stomata
- Cyclocytic stomata
Which plant belongs to the Rutaceae family?
Which plant belongs to the Rutaceae family?
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What type of stomata is observed in Datura leaves' epidermis?
What type of stomata is observed in Datura leaves' epidermis?
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Which family does Datura stramonium belong to?
Which family does Datura stramonium belong to?
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What chemical test results from Datura powder with Mayer’s reagent?
What chemical test results from Datura powder with Mayer’s reagent?
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Which plant belongs to the Ericaceae family?
Which plant belongs to the Ericaceae family?
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Study Notes
Chemical Tests and Reagents
- Datura powder reacts with Mayer’s reagent, indicating the presence of alkaloids.
Botanical Classification
- Datura stramonium is part of the Solanaceae family.
- The Rutaceae family includes plants like citrus species, such as lemon and orange.
- The Ericaceae family is represented by plants like blueberries and rhododendrons.
Stomatal Characteristics
- Datura leaves' epidermis exhibits anomocytic stomata, characterized by uniform cells surrounding the guard cells.
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