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Pharmacognosy mcqs (311_320)

 



Pharmacognosy mcqs

311.The biosynthesis pathway of Quinoline alkaloids is

A.Schikimic acid cathinone
B.Schikimic acid tyrosine
C.Schikimic acid tryptophan 
D.Schikimic acid phenyl alanine

Ans.C

312.Phenyl ethyl iso quinoline is the precursor of which of the following alkaloids 

A.Cephaline
B.Papaverine
C.Emetine
D.Colchicine

Ans.D

313.Which of the following alkaloid is derived from tyrosine

A.Morphine 
B.Quinine
C.Atropine 
D.Ephedrine 

Ans.C


314.Water soluble ergot alkaloid shows blue fluorescence is

A.Ergometrine
B.Ergocristine
C.Ergotamine
D.Ergosine

Ans.A

315.Which of the following is detected by Goldbeater's skin test is

A.Steroids
B.Resins
C.Tannins
D.Glycerides

Ans.C

316.Compound useful for the stimulation of cell division and release of lateral bud dormancy is

A.Picloram
B.Zeatine 
C.Indole Acetic Acid
D.2,4 _Dichloro phenoxy Acetic Acid

Ans.B

317.Compound having anti hepatotoxic activity is

A.Linalol
B.Safranal
C.Andrographoloid
D.Podophyllotoxin

Ans.A

318.Test for detection of purin alkaloid is 

A.Vitali_Morin test
B.Keller_Killiani test 
C.Murexide test
D.Shinoda Test

Ans.C

319.Which of the following precursors required for biosynthesis of Atropine

A.Ornithine
B.Phenylalanine
C.Both A&B
D.None

Ans.C

320.Which one of the following alkaloids is derived from lysine

A.Lobeline
B.Emetine
C.Chelidonine
D.Stachydrine

Ans.A





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