GPAT PYQs – Set 62
Year: 2015
1224. Acridine and xanthene rings are related in that
Medicinal Chemistry • Heterocyclic Chemistry
1225. This 4amino quinoline antimalarial drug (marketed as an R,S isomer with two trifluoromethyl groups at positions 2' and 8' and no electronegative substituents at 6' or 7') is
Pharmacology • Antimicrobial Agents
1226. Which one is NOT an opioid receptor?
Pharmacology • Drugs Acting on Central Nervous System
1227. Which statement regarding carbachol is NOT correct?
Pharmacology • Drugs Acting on Autonomic Nervous System
1228. Twopore domain K+ channels are opened by which category of anaesthetic?
Pharmacology • General Pharmacology
1229. Which rearrangement involves migration of a group from carbon to nitrogen?
Organic Chemistry • Name Reactions
1230. The mechanism by which fluorides inhibit dental caries is
Physical and Inorganic Chemistry • Dental caries prevention
1231. In Mohr’s method, the silver nitrate solution is standardized against which compound?
Pharmaceutical Analysis • Titration
1232. The weakly acidic nature of warfarin is attributed to the presence of
Physical and Inorganic Chemistry • Acid–base properties
1233. Which of the following drugs possesses antiplatelet effects?
Pharmacology • Diuretics + Blood
1234. Waldin inversion (complete stereochemical reversal) occurs in which substitution reaction?
Organic Chemistry • General Organic Chemistry
1235. 5Fluorocytosine is converted to its active metabolite 5fluorouracil by which fungal enzyme?
Microbiology • Antifungal prodrugs
1236. Propanone and 2hydroxypropene are
Organic Chemistry • Isomerism
1237. Back-titration is used for which types of substances?
Pharmaceutical Analysis • Titration
1238. When an electron (1.60×10^19 C) is moved through a potential difference of 1 volt, the energy expended is called
Physical and Inorganic Chemistry • Electron volt energy
1239. A hydrated proton is called
Organic Chemistry • General Organic Chemistry
1240. Which plot represents the titration of a strong acid with a strong base?
Pharmaceutical Analysis • Titration
1241. The condensation of an active methylene compound with formaldehyde and an amine to form a βamino carbonyl compound is known as
Organic Chemistry • Name Reactions
1242. Which one of the following is NOT a property of osmotic diuretics?
Pharmacology • Diuretics + Blood
1243. Electron releasing groups stabilize free radicals by
Physical and Inorganic Chemistry • Radical stabilization
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