Pharmacognosy PYQs – Set 113

By Atul Sahu • Pharmacognosy, Subject Wise PYQs

Pharmacognosy PYQs – Set 113

Subject : Pharmacognosy

2241. Which alkaloid contains an isoquinoline nucleus?

Pharmacognosy • Alkaloids • GPAT 2021

A. Quinine B. Hyoscyamine C. Piperine D. Papaverine

2242. Which type of alkaloids is found in Colchicum?

Pharmacognosy • Alkaloids • GPAT 2021

A. Tropane alkaloids B. Steroidal glycoalkaloids C. Amino alkaloids D. Quinoline alkaloids

2243. What constitutes the tropane nucleus?

Pharmacognosy • Alkaloids • GPAT 2021

A. Pyrolidine & piperidine B. Pyrolidine & pyridine C. Pyrolidine & oscine D. Piperidine & oscine

2244. The given structure represents which compound?

Pharmacognosy • Alkaloids • GPAT 2021

A. Norephedrine B. Pseudoephedrine C. Ephedrine D. Norpseudoephedrine

2245. Which one is the right sequence of the intermediates in the biosynthesis of opium alkaloids: A. Tyrosine B. Reticuline C. Codeine D : Morphine E. Thebaine?

Pharmacognosy • Alkaloids • GPAT 2021

A. A, B, C, D, E B. A, B, E, C, D C. A, B, E, D, C D. A, B, D, E, C

2246. The ring structure present in strychnine alkaloid is:

Pharmacognosy • Alkaloids • GPAT 2021

A. Indole B. Purine C. Phenanthrene D. Imidazole

2247. Terpene indole alkaloid derived from L-Tryptophan via secologanin is

Pharmacognosy • Alkaloids • GPAT 2021

A. Morphine B. Codeine C. Ajamalicine D. Thebaine

2248. Match the photopharmaceutical with its plant source: A. Cardinolides, B. Rutin, C. Ajamalicine, D : Codeine; and Plant species: I. Ruta graveolens, II. Catharanthus roseus, III. Papaver somnifera, IV. Digitalis lanata.

Pharmacognosy • Alkaloids • GPAT 2021

A. (A)-(IV); (B)-(I); (C)-(II); (D)-(III) B. (A)-(I); (B)-(III); (C)-(II); (D)-(IV) C. (A)-(III); (B)-(I); (C)-(III); (D)-(IV) D. (A)-(II); (B)-(IV); (C)-(I); (D)-(III)

2249. Dragendorffâ€™s reagent is

Pharmacognosy • Dragendorff reagent • GPAT 2021

A. Potassium iodate B. Potassium bismuth iodide C. Potassium mercuric iodide D. Potassium picrate

2250. Chitin gets converted into Chitosan upon:

Pharmacognosy • Glycosides • GPAT 2021

A. Acetylation B. Deacetylation C. Oxidation D. Reduction

2251. Which of the following is seed gum?

Pharmacognosy • Glycosides • GPAT 2021

A. Gaur gum and Locust bean gum B. Rand S C. Q and R D. PandS

2252. Momordica charantia lowers blood sugar due to which constituent?

Pharmacognosy • Glycosides • GPAT 2021

A. Momordicin B. Charantin C. Momortin D. Charantiamarin

2253. A crude drug powder heated with ferric chloride, water, and conc. HCl, followed by extraction with chloroform; the chloroform layer treated with ammonia turns pink. The test indicates the presence of

Pharmacognosy • Glycosides • GPAT 2021

A. Anthraquinone‑C‑glycosides B. Flavanones C. Cardiac glycosides D. Saponin glycosides

2254. A steroidal phyto constituent lowering blood sugar is obtained from

Pharmacognosy • Glycosides • GPAT 2021

A. Momordica charantia B. Quillaja saponaria C. Dioscorea deitoidea D. Glycyrrhiza glabra

2255. Glycosides are condensation products of

Pharmacognosy • Glycosides • GPAT 2021

A. Protein + aglycone B. Sugar + Protein C. Sugar + aglycone D. Fats + aglycone

2256. Alkanna tinctoria (Boraginaceae) roots are used in:-

Pharmacognosy • Glycosides • GPAT 2021

A. Dandruff B. Toothpaste C. Facial cleansing wash D. Lipstick formulations and hair dyes

2257. After hydrolysis, dioscin yields which components?

Pharmacognosy • Glycosides • GPAT 2021

A. Diosgenin + 3 Glucose B. Diosgenin + 3 Rhamnose C. Diosgenin + 2 Glucose + 1 Rhamnose D. Diosgenin + 1 Glucose + 2 Rhamnose

2258. Aloe contains which type of glycosides?

Pharmacognosy • Glycosides • GPAT 2021

A. C-glycosides B. O-glycosides C. S-glycosides D. N-glycosides

2259. Modified Borntrager's test is used to detect which type of glycosides?

Pharmacognosy • Glycosides • GPAT 2021

A. O-type glycosides B. C-type glycosides C. S-type glycosides D. N-type glycosides

2260. Chikusetsu saponin is present in:

Pharmacognosy • Glycosides • GPAT 2021

A. Senega B. Ginseng C. Quillia D. Liquorice

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