Dosage Form Design
Preformulation, choice of dosage form and the role of excipients.
Short notes and cheat sheetSubject guide
Pharmaceutics MCQs for Pharmacy Exams
Dosage form design, physical pharmacy, formulation and stability.
Pharmaceutics explains how a drug becomes a medicine a patient can actually take. It runs through several professional years of the Pharm-D programme and is a staple of PPSC, FPSC and provincial pharmacist recruitment tests.
Exam questions reward understanding over recall: why a suspension settles, why a tablet fails a disintegration test, why a preservative is chosen for one formulation and not another. These pharmaceutics MCQs cover physical pharmacy, solid, liquid and sterile dosage forms, and stability.
Topics covered
What Pharmaceutics questions on PharmaPrep cover.
Tablets and Capsules
Granulation, compression, coating, and quality tests such as disintegration, dissolution and friability.
Short notes and cheat sheetDisperse Systems
Suspensions, emulsions and colloids, including Stokes' law, HLB and flocculation.
Short notes and cheat sheetSterile Products
Parenterals, ophthalmic preparations, isotonicity, pyrogens and sterilisation.
Short notes and cheat sheetRheology and Micromeritics
Newtonian and non-Newtonian flow, particle size, flow properties and powder behaviour.
Short notes and cheat sheetPackaging and Stability
Degradation kinetics, shelf life, accelerated stability testing and container choice.
Short notes and cheat sheetHigh-yield Pharmaceutics topics
- Stokes' law and the factors that control sedimentation
- HLB values and emulsion type
- Tablet quality control tests and their purpose
- Zero-order and first-order degradation and shelf-life calculations
- Isotonicity adjustment methods for parenteral and eye preparations
Sample Pharmaceutics MCQs
Original practice questions with answers and explanations.
1An emulsifying agent with an HLB value of about 3 to 6 is most likely to produce:
- AAn oil-in-water emulsion
- BA water-in-oil emulsion
- CA solubilised micellar solution
- DA suspension
Show answer and explanation
Answer: B. A water-in-oil emulsion
Low HLB (roughly 3–6) emulsifiers are lipophilic and favour water-in-oil emulsions. Oil-in-water emulsions need hydrophilic emulsifiers with an HLB of roughly 8–18.
2For a drug degrading by first-order kinetics, the shelf life (t90) is:
- AIndependent of the initial concentration
- BDirectly proportional to the initial concentration
- CInversely proportional to the initial concentration
- DEqual to the half-life
Show answer and explanation
Answer: A. Independent of the initial concentration
For first-order degradation t90 = 0.105/k, which does not depend on the starting concentration. In zero-order degradation t90 = 0.1C0/k, so it rises with the initial concentration.
3Which test measures a tablet's resistance to chipping and abrasion during handling?
- ADisintegration test
- BFriability test
- CDissolution test
- DWeight variation test
Show answer and explanation
Answer: B. Friability test
The friability test tumbles tablets in a rotating drum and measures the weight lost to abrasion. Hardness testing measures breaking force, while disintegration and dissolution assess how the tablet releases the drug.
Pharmaceutics FAQs
What pharmaceutics topics are most important for exams?
Disperse systems, tablet technology and quality control, sterile products, rheology and stability kinetics are the most frequently tested areas.
Do pharmaceutics MCQs include calculations?
Yes. Expect questions on shelf life, isotonicity, Stokes' law and HLB, alongside conceptual questions on formulation.
Is biopharmaceutics part of pharmaceutics practice?
Absorption, bioavailability and dosing calculations are grouped under Pharmacokinetics on PharmaPrep, so practise both subjects together.