Practice Pakistan questions with answers and explanations.
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Percolation is extraction by allowing solvent to pass slowly through a packed bed of material.
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Herb-drug interaction is a clinically relevant change in medicine effect caused by a herbal product.
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Crude drug is a natural substance used medicinally in an unrefined or minimally processed form.
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Alkaloid is a nitrogen-containing natural compound class with diverse pharmacological activity.
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Glycoside is a compound consisting of a sugar component linked to a non-sugar aglycone.
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Tannin is a polyphenolic plant constituent capable of precipitating proteins and producing an astringent effect.
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Glycoside is a compound consisting of a sugar component linked to a non-sugar aglycone.
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Tannin is a polyphenolic plant constituent capable of precipitating proteins and producing an astringent effect.
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Volatile oil is an aromatic plant oil that evaporates readily and is commonly obtained by distillation.
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Adulteration is substitution, dilution or deterioration that reduces the identity, purity or quality of a drug.
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Organoleptic evaluation is assessment using sensory properties such as colour, odour, taste and texture.
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Microscopy is use of microscopic features to identify powdered or sectioned crude drugs.
