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PPSC MCQs

Punjab Public Service Commission — Complete MCQ Bank

2,026 Questions
Exam Preparation Guide

How to prepare for PPSC

PPSC examinations recruit candidates for Punjab government departments and commonly test general knowledge, current affairs, English and post-related subjects.

Punjab AffairsGeneral KnowledgeCurrent AffairsEnglish
Give special attention to Punjab geography, history and administration alongside the advertised post’s specialist syllabus.
PPSC preparation illustration
761
Chemistry Medium Uploaded: 05 Aug 2026

What is the chemical formula for laughing gas used as a mild anaesthetic in dentistry?

  • ANO
  • BN2O
  • CNO2
  • DN2O4
762
Chemistry Medium Uploaded: 05 Aug 2026

Which element is essential for synthesis of haemoglobin and its deficiency causes anaemia?

  • AZinc
  • BCalcium
  • CMagnesium
  • DIron
763
Biology Medium Uploaded: 05 Aug 2026

Which type of muscle is under voluntary control and attached to bones to enable movement?

  • ACardiac muscle
  • BSkeletal muscle
  • CSmooth muscle
  • DInvoluntary muscle
764
Biology Medium Uploaded: 05 Aug 2026

Which process by which bacteria take up free DNA from their environment was discovered by Griffith?

  • ATransformation
  • BConjugation
  • CTransduction
  • DTranslation
765
Biology Medium Uploaded: 05 Aug 2026

What is the term for organisms that maintain a stable internal environment despite external changes?

  • AHomeostasis
  • BAdaptation
  • CMetabolism
  • DEvolution
766
Biology Hard Uploaded: 05 Aug 2026

Which type of white blood cell produces specific antibodies against antigens?

  • ANeutrophils
  • BB lymphocytes
  • CMonocytes
  • DCytotoxic T cells
767
Biology Medium Uploaded: 05 Aug 2026

Which part of the eye is the coloured ring that controls pupil size regulating light entry?

  • ACornea
  • BRetina
  • CIris
  • DLens
768
Biology Medium Uploaded: 05 Aug 2026

Which structure in flowering plants contains ovules that develop into seeds after fertilisation?

  • AStamen
  • BPetal
  • COvary
  • DAnther
769
Biology Medium Uploaded: 05 Aug 2026

Which type of plant reproduction involves new plants growing from cuttings runners or bulbs?

  • APollination
  • BFertilisation
  • CSeed dispersal
  • DVegetative propagation
770
Biology Medium Uploaded: 05 Aug 2026

Which disease is caused by Mycobacterium tuberculosis primarily affecting the lungs?

  • ATyphoid
  • BCholera
  • CMalaria
  • DTuberculosis