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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
621
Chemistry Medium Uploaded: 06 Aug 2026

Which element is commonly used in nuclear reactors as fuel?

  • AUranium
  • BCarbon
  • CLead
  • DSilicon
622
Chemistry Medium Uploaded: 06 Aug 2026

What is the process by which plants convert light energy into chemical energy?

  • ARespiration
  • BFermentation
  • CPhotosynthesis
  • DTranspiration
623
Chemistry Medium Uploaded: 06 Aug 2026

Which gas is released during photosynthesis?

  • ACarbon dioxide
  • BOxygen
  • CNitrogen
  • DHydrogen
624
Chemistry Hard Uploaded: 06 Aug 2026

What is the molar mass of water approximately?

  • A16 g/mol
  • B20 g/mol
  • C18 g/mol
  • D22 g/mol
625
Chemistry Hard Uploaded: 06 Aug 2026

Which of the following is used as a catalyst in the Haber process?

  • APlatinum
  • BIron
  • CNickel
  • DCopper
626
Chemistry Medium Uploaded: 06 Aug 2026

What is the process of converting a gas into a liquid called?

  • ASublimation
  • BVaporization
  • CFusion
  • DCondensation
627
Chemistry Medium Uploaded: 06 Aug 2026

Which element is essential for photosynthesis and found in chlorophyll?

  • AIron
  • BMagnesium
  • CZinc
  • DCalcium
628
Chemistry Hard Uploaded: 06 Aug 2026

What is the atomic mass unit based on?

  • AHydrogen-1
  • BOxygen-16
  • CHelium-4
  • DCarbon-12
629
Physics Easy Uploaded: 06 Aug 2026

What is the term used for the resistance of a body to change its state of motion?

  • AInertia
  • BAcceleration
  • CVelocity
  • DMomentum
630
Physics Medium Uploaded: 06 Aug 2026

Which principle explains how airplanes generate lift?

  • ABernoulli's Principle
  • BPascal's Principle
  • CArchimedes' Principle
  • DNewton's First Law