Description : Which one of the following is responsible for the stimulating effect of tea? (1) Tannin (2) Steroid (3) Alkaloid (4) Flavonoid
Last Answer : (3) Alkaloid Explanation: The stimulating effect of a tea is mainly due to what is called alkaloid caffeine which is then linked with tannin found in a tea leaf.
Description : The poisonous alkaloid present in the oil of hemlock is (A) Cocaine (B) Nicotine (C) Quinine (D) Morphine
Last Answer : Answer : A
Description : Nicotine present in tobacco is a/an (A) Alkaloid (B) Terpene (C) Steroid (D) Protein
Description : Alkaloid content present in sorghum leaves
Last Answer : Ans.HCN (Dhurin alkaloid)
Description : Compound having phenylpropanoid origin is called (a) an alkaloid (b) a terpene (c) a lignin (d) a flavonoid
Last Answer : Ans:(c)
Description : Did you know that caffeine is an alkaloid and a behavior modifier?
Last Answer : It always stuns me when people do not know caffeine is very addictive or that they are addicted. They think because they can drink a cup or coffee or glass of Coke and go to sleep they must not be addicted. Wrong. Go without the drug and see the withdrawal begin.
Description : Reserprine, an alkaloid derived from the root of Rauwolfia serpentina (a) Can be used to control hyperglycemia (b) Can cause severe depression of mood (c) Can decrease gastrointestinal secretion and motility (d) Has no cardiac effects (e) A spare receptor agonist
Last Answer : Ans: B
Description : Which alkaloid is used to treat malaria ?
Last Answer : Ans. Quinine.
Description : Which alkaloid is used to control hypertension ?
Last Answer : Ans. Reserpine.
Description : An alkali metal salt of Palmitic acid is known as (A) Soap (B) Metallic soap (C) Detergent (D) Alkaloid
Last Answer : (B) Metallic soap
Description : Nicotine is(A) A volatile alkaloid (B) Obtained by treating by-products of the tobacco processing industry (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : Choose the right combination: (A) Quinine', antimalarial, isoquinoline alkaloid (B) Reserpine, -antihypertensive, indole alkaloid (C) Quantitative microscopy, stomatal number, myrrh (D) Palmitic acid, salicylic acid , fatty acids
Last Answer : (B) Reserpine, -antihypertensive, indole alkaloid
Description : The chemical behaviour of morphine alkaloid is (A) acidic (B)Basic (C) neutral (D) amphoteric
Last Answer : (B)Basic
Description : The ‘amine’ ergot alkaloid differs from ‘amino acid’ ergot alkaloid in that it has: A. High oral bioavailability B. Better CNS penetrability C. Weaker oxytocic action D. Strong anti-5-HT action
Last Answer : A. High oral bioavailability
Description : Choose the ergot alkaloid that is well absorbed orally, has weak vascular but prominent uterine stimulant action: A. Ergometrine B. Ergotamine C. Dihydroergotamine D. Dihydroergotoxine
Last Answer : A. Ergometrine