161. Which of the following substances is not used as a humectant in emulsions?

Pharmaceutical Technology • Semisolid + Suppository + Aerosol

162. Under which of the following conditions does in‑vitro–in‑vivo correlation for a drug fail?

Biopharmaceutics • Drug Dissolution and Release Kinetics

163. A crystalline powder that contains water of crystallization or hydration may liberate this water upon low humidity exposure, becoming sticky or liquefieD : Such a powder is called:

Physical and Inorganic Chemistry • Physical and Inorganic Chemistry

164. Which one of the following solvents is not polar?

Physical and Inorganic Chemistry • Physical and Inorganic Chemistry

165. Which of the following urinary tract anti‑infective agents requires an acidic pH of urine for optimum action?

Pharmacology • Antimicrobial Agents

166. Which compound would be expected to show intense IR absorption at 3300 cm⁻¹?

Pharmaceutical Analysis • Spectroscopy

167. Which of the following levels of IVIVC is represented by the relationship between one dissolution time point (e.g., t₅₀%) and one mean pharmacokinetic parameter (e.g., AUC, Tₘₐₓ, or Cₘₐₓ)?

Biopharmaceutics • Bioavailability and Bioequivalence

168. Which of the following USP glass types is not suitable for parenteral packaging?

Pharmaceutical Jurisprudence • Drugs and Cosmetics Act, 1940

169. The difference in velocity between two planes of liquid separated by an infinitesimal distance is called:

Physical Pharmacy • States of Matter + Micromeritics + Surface and Interfacial Tension

170. The required amount of adjusting substance to make a hypotonic solution isotonic is given by (W = adjusting substance, a = freezing point depression of unadjusted solution, b = freezing point depression of water):

Pharmaceutical Technology • Preformulation

171. Which of the following is the common chemical name for Propellant 11?

Pharmaceutical Technology • Semisolid + Suppository + Aerosol

172. A component of film‑coating solution that makes the film more pliable and enhances spread over tablets, beads, and granules is called:

Pharmaceutical Technology • Tablet

173. Match the following List I with List II regarding most specific activity or property in formulation of disperse systems. A. Salts of d‑glucuronic acid polypeptides and amino acids B. Surfactants (ionic and nonionic) C. Magnesium aluminum silicate D : Structured vehicles. Choose the correct matching.

Hospital & Clinical Pharmacy • Formulation of Lipsticks, Creams, and Lotions

174. Match the process of reproduction and genetic exchange under column I with the explanation under column II: A. Binary fission B. Transformation C. Transduction D : Conjugation. Choose the correct matching.

Microbiology • Complete Subject

175. Clear, sweetened hydroalcoholic solutions intended for oral use, usually flavored to enhance palatability, are called:

Pharmaceutical Technology • Preformulation

176. Which of the following WHO Climatic Zones refers to hot and humid climate?

Pharmaceutical Technology • Introduction to Pharmacognosy

177. Exotoxins diffuse freely through the bacterial cell wall into the medium in which organisms are growing. They are water‑soluble and pass into the surrounding medium. Choose the correct combination of Assertion and Reason:

Microbiology • Complete Subject

178. What is the percentage of alcohol in a mixture obtained by mixing 5 L of 25%, 3 L of 40%, and 2 L of 15% alcohol?

Pharmaceutical Technology • Preformulation

179. For disguising the astringent and metallic taste of iron salts in children’s mixtures, the following flavoring agent is used:

Hospital & Clinical Pharmacy • Compounding and Incompatibilities

180. A tablet excipient whose function is to ensure that tablet formulation and ejection can occur with low friction between the solid and the die wall is called:

Pharmaceutical Technology • Tablet