GPAT PYQs – Set 55
Year: 2021
1084. WHO guidelines for herbal drugs set heavy metal limits for:
Pharmacognosy • Introduction to Pharmacognosy
1085. Which ICH guideline addresses stability testing (bracketing/matrixing)?
Pharmaceutical Jurisprudence • Stability Testing Guidelines
1086. A competitive antagonist at the benzodiazepine site is:
Pharmacology • Drugs Acting on Central Nervous System
1087. For a drug (initial concentration 28 units/mL) following first‐order kinetics, the half-life is approximately:
Biopharmaceutics • Pharmacokinetics
1088. Chronic purgative abuse is associated with all EXCEPT:
Pharmacology • Respiratory Pharmacology + GIT Pharmacology
1089. Which microbial form is most resistant to disinfection?
Microbiology • Sterilization & Disinfection
1090. Assertion: Gram-negative bacteria fail to retain the primary stain (crystal violet). Reason: Their LPS-rich outer membrane prevents stain retention. Choose:
Microbiology • Bacterial Staining Techniques
1091. Which is a misconception about marker compound analysis in herbal drugs?
Pharmacognosy • Introduction to Pharmacognosy
1092. In the Gambir-fluorescin test, the petroleum spirit layer shows:
Pharmacognosy • Introduction to Pharmacognosy
1093. Which plexus is part of the CNS?
Human Anatomy and Physiology • Neuroanatomy
1094. For depot injections (released over weeks/months), which study design is used?
Pharmaceutical Jurisprudence • Clinical Trial Phases & Designs
1095. Which is an unorganized (crude) drug?
Pharmacognosy • Introduction to Pharmacognosy
1096. A change in which excipient affects tablet dissolution?
Pharmaceutical Technology • Preformulation
1097. Which nucleus is observable by NMR spectroscopy?
Physical and Inorganic Chemistry • NMR Principles
1098. Which form is used to import small quantities of drugs for personal use?
Pharmaceutical Jurisprudence • Import Licensing & Forms
1099. Beta-oxidation of palmitic acid produces how many acetyl-CoA?
Biochemistry • Lipid Metabolism
1100. At which concentration do surfactant solution properties change sharply?
Physical Pharmacy • Surface & Interfacial Tension
1101. Which apparatus measures particle size by sedimentation?
Physical Pharmacy • Micromeritics
1102. Enzymes using oxygen as hydrogen acceptor are called:
Biochemistry • Oxidation Reactions
1103. Artificial (synthetic) seeds are produced by:
Pharmacognosy • Introduction to Pharmacognosy
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