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MCQ Practice

Quality Control (QC) MCQs with Answers and Explanations

Quality Control MCQs test instrument fundamentals and laboratory practice together — the two areas viva examiners return to most often.

Work through the sample below, check each explanation, then attempt the full timed test.

10 free questions shown · 100 in the full test

Topics covered

  • HPLC and GC
  • Dissolution and disintegration
  • Karl Fischer titration
  • USP general chapters
  • Method validation

10 Quality Control (QC) MCQs with answers

  1. Q1

    HPLC stands for:

    • AHigh Pressure Liquid Chromatography
    • BHigh Performance Liquid Chromatography
    • CHigh Phase Liquid Chemistry
    • DHeated Pressure Liquid Compound

    Explanation: HPLC = High Performance Liquid Chromatography.

  2. Q2

    Which detector is most commonly used in HPLC for pharmaceuticals?

    • AFID
    • BUV-Visible
    • CTCD
    • DECD

    Explanation: UV-Vis (PDA) detectors are most commonly used for drug analysis.

  3. Q3

    Karl Fischer titration is used to determine:

    • ApH
    • BWater content
    • CAssay
    • DHeavy metals

    Explanation: Karl Fischer is the standard method for moisture determination.

  4. Q4

    USP <711> deals with:

    • ADissolution
    • BDisintegration
    • CFriability
    • DHardness

    Explanation: USP <711> is the official chapter for Dissolution testing.

  5. Q5

    Limit test for chloride uses:

    • ASilver nitrate
    • BBarium chloride
    • CSodium hydroxide
    • DPotassium iodide

    Explanation: Chloride limit test uses silver nitrate to form silver chloride opalescence.

  6. Q6

    Which is an example of a destructive test?

    • AWeight variation
    • BDissolution
    • CVisual inspection
    • DLabeling check

    Explanation: Dissolution destroys the dosage form during testing.

  7. Q7

    LOD in analytical methods stands for:

    • ALoss on Drying / Limit of Detection
    • BLevel of Determination
    • CList of Drugs
    • DLinearity of Data

    Explanation: LOD = Limit of Detection (also Loss on Drying in other contexts).

  8. Q8

    Which technique separates compounds based on mass-to-charge ratio?

    • AIR
    • BNMR
    • CMass Spectrometry
    • DUV

    Explanation: Mass Spectrometry separates ions based on m/z.

  9. Q9

    Friability test apparatus is:

    • ARoche friabilator
    • BMonsanto tester
    • CErweka hardness tester
    • DDisintegration tester

    Explanation: Roche friabilator is the standard apparatus per USP <1216>.

  10. Q10

    Acceptable friability limit for uncoated tablets is generally:

    • ANMT 0.5%
    • BNMT 1.0%
    • CNMT 2.0%
    • DNMT 5.0%

    Explanation: Generally NMT 1.0% weight loss is acceptable per USP.

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