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Questions and Answers
Which alkaloid is characterized by the absence of a methyl group, resulting in lower lipid solubility?
Which alkaloid is characterized by the absence of a methyl group, resulting in lower lipid solubility?
- Brucine (correct)
- Theobromine
- Papaverine
- Strychnine
What is the primary difference in the detection of Strychnine and Brucine using Conc. HNO3?
What is the primary difference in the detection of Strychnine and Brucine using Conc. HNO3?
- Strychnine gives a red color, while Brucine gives a yellow color
- Strychnine gives a yellow color, while Brucine gives an intense orange-red color (correct)
- Strychnine gives a blue color, while Brucine gives a green color
- Strychnine gives a yellow color, while Brucine gives a blue color
Which alkaloid is a smooth muscle relaxant and vasodilator?
Which alkaloid is a smooth muscle relaxant and vasodilator?
- Papaverine (correct)
- Colchicine
- Atropine
- Quinine
What is the amino acid precursor of Brucine?
What is the amino acid precursor of Brucine?
Which of the following is NOT a true alkaloid?
Which of the following is NOT a true alkaloid?
What is the result of adding Conc. HNO3 to a mixture of Strychnine and Brucine?
What is the result of adding Conc. HNO3 to a mixture of Strychnine and Brucine?
Which of the following is a characteristic of Brucine, but not Strychnine?
Which of the following is a characteristic of Brucine, but not Strychnine?
What is the structure of Papaverine?
What is the structure of Papaverine?
What is the result of adding SnCl2 to a mixture of Brucine and Conc. HNO3?
What is the result of adding SnCl2 to a mixture of Brucine and Conc. HNO3?
Which of the following alkaloids is obtained from Theobroma cacao?
Which of the following alkaloids is obtained from Theobroma cacao?
What is the primary pharmacological activity of Caffeine?
What is the primary pharmacological activity of Caffeine?
Which of the following alkaloids has a vasodilator effect?
Which of the following alkaloids has a vasodilator effect?
What is the result of Mayer's test for alkaloids?
What is the result of Mayer's test for alkaloids?
Which of the following alkaloids is NOT a purine alkaloid?
Which of the following alkaloids is NOT a purine alkaloid?
What is the source of Caffeine?
What is the source of Caffeine?
Which of the following alkaloids is used in the treatment of asthma and COPD?
Which of the following alkaloids is used in the treatment of asthma and COPD?
What is the family of the plant that produces Theophylline?
What is the family of the plant that produces Theophylline?
